The Phytologist: a botanical journal - Irvine, Alexander, 1793 -1873 (William Pamplin, 1862)

The Phytologist: a popular botanical miscellany - Newman, Edward, 1801 -1876 (John van Voorst, 1841)

The Phytologist: a popular botanical miscellany - Newman, Edward, 1801 -1876 (John van Voorst, 1850)

Phytoneuron (Guy L. Nesom, 2011)

Phytoneuron (Guy L. Nesom, 2014)

Phytopinax, seu, Enumeratio plantarum ab herbariis nostro seculo descriptarum :cum earum differentiis : cui plurimarum hactenus ab iisdem non descriptarum succinctae descriptiones & denominationes accessere : additis aliquot hactenus non sculptarum plantarum viuis iconibus - Bauhin, Caspar, 1560 -1624 (Per Sebastianum Henricpetri, 1596)

Le piante fanerogame della Svissera insubrica : enumerate seconde il metodo decandolliano - Favrat, Louis, 1827 -1893 (H. Georg, 1890)

Le piante fanerogame della Svizzera insubrica : enumerate secondo il methodo decandolliano - Favrat, Louis, 1827 -1893 (H. Georg, 1890)

Le piante vascolari raccolte dal Rev. P.C. Silvestri nell'Hu-peh, durante gli anni 1904-1907 (e negli anni 1909, 1910) - Silvestri, Cipriano. (Pellas, 1911)

Pike's garden annual : plants, bulbs, seeds and nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (S.W. Pike, 1929)

Pinax botanonymos polyglottos katholikos, Index nominum plantarum universalis, : diversis terrarum, gentiúmque linguis, quotquot ex auctoribus ad singula plantarum nomina excerpi & juxta seriem A.B.C. collocari potuerunt, ad unum redactus, videlicet: Europaeorum Latinâ sive vetere Romanâ, Graecâ antiquâ, Italicâ cum suis, Hetruriâe, Istriae, Venetorum, Forojuliensium, nec non insularum adjacentum Malthae, Cretae vel Candiae, Lesbi, &c. Dialectis, Hispanicâ, Lusitanicâ & in ea regnorum Cataloniae, Valentiae, &c. Gallicâ vetere & neotericâ cum suis, Burgundiae, Narbonae, Parisiensium, &c. idiomatibus. Anglicâ, Scoticâ & Irlandicâ. it: Danicâ, Germanicâ cum suis, Silesiorum, Marchicorum, Pomeranorum, Borussorum &c. sermonum proprietatibus. Belgicâ cum sua Brabanticâ. Bohemicâ, Polonicâ, Lituanicâ, Vinidicâ, Rutenicâ, Wallachicâ olim Dacicâ, Hungaricâ, Sclavonicâ, Croaticâ. &c. Asiaticorum, Hebraeâ, Chaldaicâ, Syriacâ, Arabicâ, Turcicâ cum sua Tripolitana, &c. Tartaricâ, Persicâ, Malabaricâ, Bramanicâ olim Brachmanicâ, prophetarum, magorúmq[ue], veterum, Zeilanicâ sive Cingalicâ, Javanicâ, Bengalicâ, Sinicâ, Japonicâ, Malaicâ, Coreicâ. &c. Africanorum Aegyptiacâ, Aethiopicâ, Mauritanicâ sive Barbaricâ & Tunensium, cum poenorum antiqua, Canaricâ & Madagascaricâ. Americanorum, Brasilianâ, Virginianâ, Mexicanâ & adjacentium populorum aliorúmq[ue] in insulis, & continente solo, hinc inde habitantium, quorum sermonum nomina non omnibus, sed quibusdam tantùm plantis, quotquot apud auctores reperta fuerunt, sparsim adposita sunt. Characteribus Latinorum, Graecorum & Germanorum maximè per Europam usitatis conscriptus, & ita concinnatus, ut plantarum genera, species, colorum & quarumvis partium differentiae, quotquot erudicti ad hunc usque diem adnotarunt , ordine legitimo inter se collocarenrur: citatis (quod improbum laborem requisivit) classicorum auctorum & eorum, qui in plerisque suprâ laudatis linguis scripserunt, locis genuinis & correctis, ab ipso Hippocrate ad nostri s - Mentzel, Christian, 1622 -1701 (Sumptibus auctoris. Prostat apud Danielem Reichelium. Ex officina Rungiana, 1682)

Pinax Theatri botanici Caspari Bauhini : ... sive Index in Theophrasti, Dioscoridis, Plinii et botanicorum qui à seculo scripserunt opera: plantarum circiter sex millium ab ipsis exhibitarum nomina cum earundem synonymiis & differentiis methodicè secundùm earum & genera & species proponens. Opus XL. annorum hactenus non editum summoperè expetitum & ad auctores intelligendos plurimùm faciens ... - Bauhin, Caspar, 1560 -1624 (sumptibus et typis Ludovici Regis, 1623)

Pitzonka's Pansy Farm, "The home of the pansy" : perennials, bulbs, rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1934)

Pitzonka's Pansy Farm, "The home of the pansy" : rock plants, bulbs, perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1933)

Plant-geography upon a physiological basis - Balfour, Isaac Bayley, 1853 -1922 (Clarendon Press, 1903)

Plant hybridization before Mendel - Mendel, Gregor, 1822 -1884 (Princeton University Press, 1929)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1929)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1968)

Plant list, Newfoundland, July-August 1921 - Mackenzie, Kenneth K. (Kenneth Kent), 1877 -1934 (1921)

The Plant world - Plant World Association. (Plant World Association [etc.], 1903)

Plantae Europeae.Enumeratio systematica et synonymica plantarum phaenerogamicarum in Europa sponte crescentium vel mere inquilinarum - Richter, Karl, 1855 -1891 (W. Engelmann, 1890)

Plantae Novae Hispaniae : nutu, ope, et auspicio benignissimi regis Caroli IV, adùc usque collectae, et Linneano systemate ordinatae, quarum tercentae aut plures a nemine unquam editae videntur et rariores iconibus ad vivum repraesentantur - Sessé, Martin, 1809 (Apud I. Escalante, 1887)

Plantae Novae Hispaniae : nutu, ope, et auspicio benignissimi regis Caroli IV, Hucusque collectae, et Linneano systemate ordinatae, quarum tercentae aut plures a nemine unquam editae videntur et rariores iconibus ad vivum repraesentatur - Sessé, Martin, 1809 (Oficina tip. de la Secretaría de fomento, 1893)

Plantae Thunbergianae : ein Verzeichnis der von C. P. Thunberg in Südafrika, Indien und Japan gesammelten und der in seinen Schriften beschriebenen oder erwähnten Pflanzen, sowie von den Exemplaren derselben, die im Herbarium Thunbergianum in Upsala aufbewahrt sind - Thunberg, Carl Peter, 1743 -1828 (A.-b. Akademiska bokhandeln, 1918)

Plantae vasculares seu cotyledoneae Scandanaviae, nempe Sveciae et Norvegiae : juxta regni vegetabilis systema naturale digestae - Beurling, Pehr Johan, 1800 -1866 (P. A. Norstedt, 1859)

Plantarum historia succulentarum = Histoire des plantes grasses - Candolle, Augustin Pyramus de, 1778 -1841 (A.J. Dugour et Durand, 1956)

Plantarum historia succulentarum = Histoire des plantes grasses - Candolle, Augustin Pyramus de, 1778 -1841 (A.J. Dugour et Durand, 1802)

Plantarum historia succulentarum = Histoire des plantes grasses - Candolle, Augustin Pyramus de, 1778 -1841 (A.J. Dugour et Durand, 1803)

Plantarum a Josepho Comollio ... in Lariensi provincia lectarum enumeratio : quam ipse in botanophilorum usu atque commodo exhibet uti prodromum florae Comensis - Comolli, Giuseppe, 1780 -1849 (C.P. Ostinelli, 1824)

Plantarum, seu, Stirpium historia - L'Obel, Matthias de, 1538 -1616 (Ex officina Christophori Plantini, 1576)

Plantarum vascularium genera :secundum ordines naturales digesta eorumque differentiae et affinitates tabulis diagnostacis expositae - Weidmann. (Libraria Weidmannia, 1836)

Plantas Romaniae hucusque cognitas - Kanitz, Ágost, 1843 -1896 (Apud E. Demjén, 1879)

Plantes alpines & vivaces, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H. Correvon & Fils, 1933)

Les plantes alpines : choix des plus belles espèces, description, station, excursions, culture, emploi - Verlot, Bernard, 1836 -1897 (J. Rothschild, 1873)

Les plantes alpines et de rocailles; description, culture, acclimatation - Correvon, Henry 1854 -1939 (O. Doin, 1895)

Les plantes des montagnes et des rochers, leur acclimatation et leur culture dans les jardins - Correvon, Henry 1854 -1939 (L'auteur; [etc., etc.], 1914)

Les plantes - Faideau, Ferdinand, 1862 -1930? (Larousse, 1922)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1946)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1952)

Plants for your garden [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rhinebeck Floral Company, 1930)

Plants of the Punjab : a descriptive key to the flora of the Punjab, North-west Frontier Province, and Kashmir - Bamber, Charles James, 1855 - (Supt. Govt. Printing, Punjab, 1916)

Plants of the Punjab; a descriptive key to the flora of the Punjab, North-west Frontier Province and Kashmir - Bamber, Charles James, 1855 - (Printed by The Superintendent Government Printing, 1916)

A pocket botanical dictionary; comprising the names, history, and culture of all plants known in Britain; with a full explanation of technical terms - Lindley, John, 1799 -1865 (J. Andrews, 1840)

Pontiac planting guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pontiac Nursery Co, 1930)

Pontiac planting guide [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pontiac Nursery Co, 1926)

Popular rock and alpine plants - Cotter, James Laurence (Blake and mackenzie, 1921)

Populäre Botanik oder gemeinfassliche Anleitung zum Studium der Pflanze und des Pflanzenreiches. Zugleich ein Handbuch zum Bestimmen der Pflanzen auf Excursionen - Schmidlin, Eduard, 1808? -1890 (Krais & Hoffmann, 1857)

Portland Seed Company complete seed annual, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Company, 1929)

Portland Seed Company's Catalog and seed annual for 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Company, 1926)

Portland Seed Company's complete seed annual and planters guide for 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Company, 1928)

Pot grown rock plants and alpines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1932)

Pot grown rock plants and alpines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1947)

Potted rock plants and alpines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1946)

Potted rock plants [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1930)

Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei - Verein für natur- und heilkunde, Pressburg (1881)

Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei - Verein für natur- und heilkunde, Pressburg (1901)

The practical gardener, and modern horticulturist - McIntosh, Charles, 1794 -1864 (T. Kelly, 1836)

A practical guide to garden plants, containing descriptions of the hardiest and most beautiful annuals and biennials, hardy herbaceous and bulbous perennials, hardy water and bog plants, flowering and ornamental trees and shrubs, conifers; hardy ferns; hardy bamboos and other ornamental grasses. Also the best kinds of fruits and vegetables that may be grown in the open air in the British Isles with full and practical instruction as to culture and propagation - Weathers, John, 1867 -1928 (Longmans, Green, 1901)

A practical handbook of trees, shrubs, vines and herbaceous perennials - Kirkegaard, John (The Bullard company, 1912)

A practical handbook of trees, shrubs, vines and herbaceous perennials - Kirkegaard, John (Williams Bookstores Co, 1916)

Der praktische landschaftsgärtner. Eine anleitung zur anlegung oder verschönerung von gärten verschiedener grösse ... Mit anweisung zu einer zweckmässigen benützung des küchengartens, zu spargel- und artischokenpflanzung, champignons-zucht, gurken- and melonentreiberei u.s.w - Hertz, Wilhelm. (Hoffmann, 1840)

Preliminary catalogue of indigenous Natal plants - Wood, John Medley, 1827 -1915 ("Natal Mercury" steam printing works, 1894)

A preliminary list of the plants of New Brunswick - Fowler, James, 1829 -1923 (Ellis, Robertson & Co, 1885)

Premium hardy perennial plants for fall '41, wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Perennial Nurseries, 1941)

Price catalogue : 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swain Nelson & Sons Company, 1912)

Price catalogue : 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swain Nelson & Sons Company, 1913)

Price catalogue : 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swain Nelson and Sons Co, 1914)

Price catalogue : 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swain Nelson and Sons Co, 1916)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1901)

Price list. No. 9 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swain Nelson and Sons Co, 1920)

Price list : 1930-1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coryell Nursery, 1930)

Price list - 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cass River Nurseries, 1932)

Price list - 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cass River Nurseries, 1934)

Price list, 1943–1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wood-Howell Nurseries, Inc, 1943)

Price list, 1943–1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, Inc, 1943)

Price list and garden guide of hardy perennnials, rockery plants, roses and azalea, shrubs, trees and evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ten Oaks Nursery and Gardens, 1933)

Price list and specialties : season 1900 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Elm City Nursery Co, 1900)

Price list : fall, 1925 and spring, 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hiti Nurseries, 1925)

Price list : fall, 1926 and spring, 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hiti Nurseries, 1926)

Price list. fine seeds. No. 35 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Curt Unverhau, 1936)

Price list of hardy herbaceous perennials and alpine plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Heurlin, 1903)

Price list, selected alpine and succulent rockery plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.A. Hyde Co, 1934)

Price list to planters : fall 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Avenue Nurseries, 1922)

Price list to planters : fall 1922, spring 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Avenue Nurseries, 1922)

Price list to the trade : fall 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cole Nursery Co, 1923)

Price list to the trade : spring 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cole Nursery Co, 1923)

Price list to the trade : spring 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cole Nursery Co, 1924)

Priced catalogue for ... - Elliott, B.A. Company. (B.A. Elliott Co, 1847)

Priced catalogue for ... - Elliott, B.A. Company. (B.A. Elliott Co, 1892)

Priced catalogue for ... - Elliott, B.A. Company. (B.A. Elliott Co, 1893)

Primae lineae systematis naturæ : nexui naturali omnium evolutionique progressivae per nixus reascendentes superstructi - Gori͡aninov, Pavel Fedorovich, 1796 -1865 (Typis Karoli Krajanis, 1834)

Primroses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nevill Primrose Farm, 1932)

Prince's select catalogue of the unrivaled collection of roses, carnations, chrysanthemums, phlox, iris, double sweet williams, hollyhocks - Wm. R. Prince & Co. (Baker and Godwin, 1857)

Prince's select catalogue : roses, herbaceous flowering plants, &c - Wm. R. Prince & Co. (Wm. R. Prince & Co)

Principia botanica: or, a concise and easy introduction to the sexual botany of Linnaeus ... - Linné, Carl von, 1707 -1778 (Printed by Allin and co. and sold by G. G. J. and J. Robinson, London, 1787)

Principia botanica: or, A concise and easy introduction to the sexual botany of Linnaeus ... Arranged in a tabular form, under each class and order; and digested alphabetically under several generic distinctions. Together with three indexes ... Also a table of several vegetable drugs not in the indexes ... - Darwin, Robert Waring, 1724 -1816 (Printed and sold by M. Hage; [etc., etc.], 1810)

Principles of scientific botany, or, Botany as an inductive science - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (Longman, Brown, Green, and Longmans, 1849)

Principles of scientific botany, or, Botany as an inductive science - Lankester, Edwin, 1814 -1874 (Printed for Longman, Brown, Green, and Longmans, 1849)

La priorité des noms de plantes - Saint-Lager, Jean Baptiste, 1825 -1912 (Librarie J.-B. Baillière et fils, 1890)

Proceedings - Nova Scotian Institute of Science. (1866)

The Proceedings and transactions of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1894)

Proceedings and transactions of the Nova Scotian Institute of Natural Science - Nova Scotian Institute of Natural Science. (Nova Scotian Institute of Natural Science, 1883)

Proceedings and transactions of the Royal Society of Canada. Délibérations et mémoires de la Société royale du Canada - Royal Society of Canada. (Société royale du Canada, 1888)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1865)

Proceedings of the Bournemouth Natural Science Society - Bournemouth Natural Science Society (1914)

Proceedings of the Horticultural Society of London - Royal Horticultural Society (Great Britain) (Bradbury and Evans, 1839)

Proceedings of the International Congress of Genetics (1906)

Proceedings of the Linnean Society of London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1906)

Proceedings of the Linnean Society of London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1909)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1896)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1903)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1905)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1932)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1944)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1969)