A hand-book to the flora of Ceylon : containing descriptions of all the species of flowering plants indigenous to the island, and notes on their history, distribution, and uses : with an atlas of plates illustrating some of the more interesting species - Hooker, Joseph Dalton, 1817 -1911 (Dulau, 1893)

Handbuch der Blütenbiologie, unter Zugrundelegung von Herman Müllers Werk: "Die Befruchtung der Blumen durch Insekten." - Knuth, Paul, 1854 -1899 (W. Engelmann, 1898)

Handbuch der Tropenkrankheiten - Mense, Carl Anton, 1861 -1938 (Johann Ambrosius Barth, 1905)

Handbuch der Tropenkrankheiten - Mense, Carl Anton, 1861 -1938 (J. A. Barth, 1914)

Handwörterbuch der Pharmakognosie des Pflanzenreichs - Wittstein, Georg Christian, 1810 -1887 (E. Trewendt, 1882)

Handwörterbuch der naturwissenschaften - Verworn, Max, 1863 -1921 (G. Fischer, 1912)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1878)

Hardy herbaceous and Alpine plants : Autumn 1926 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1926)

Hardy herbaceous and Alpine plants : wholesale catalog, Autumn 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1926)

Hardy herbaceous plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1924)

Hardy herbaceous plants for border and rock garden. Price list No. 2, spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Four O'Clock Garden Nursery, 1928)

Hardy perennials for California gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1914)

Hardy perennials for California gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1916)

Hardy perennials for California gardens : spring 1913-fall 1913 [catalog], fourth catalogue of hardy plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1913)

Hardy plants and trees for garden and orchard : reference guide and catalog, what and where to plant - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Lehde Nurseries, 1937)

Hardy plants, root strength, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1937)

Hastings' nursery annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1937)

Hastings' nursery annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1940)

Hastings' nursery annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1939)

Hastings' seeds : 1889-1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1939)

Hastings' seeds : spring 1933 85th catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1937)

Hastings' seeds : spring 1933 85th catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1938)

Hastings' seeds : spring 1936 91st catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1936)

Hastings' seeds : spring 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1940)

Hastings' seeds : spring 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1941)

Hastings' seeds : spring 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1942)

Hastings' seeds : spring 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1943)

Hauptpreisverzeichnis, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Pabst, 1928)

Henderson's autumn catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1925)

Henderson's autumn catalogue : 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1932)

Henderson's mid-summer 1930 catalogue : pot-grown strawberry plants perennial flower seeds perennial plants insecticides etc., etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1930)

The herbaceous garden - Martineau, Alice Vaughan-Williams. (Williams & Norgate, 1913)

Herbaceous perennial and rock plants, choice landscape materials, climbing vines, garden supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westcroft Gardens, 1933)

Herbaceous perennial and rock plants, climbing vines and garden supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westcroft Gardens, 1932)

Herbaceous perennials, rock plants, and hardy vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Muller-Sealey Co., Inc, 1930)

Herbaceous perennials, rock plants, and hardy vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Muller-Sealey Co., Inc, 1927)

Herbier de l'Amateur de Fleurs (1828)

Herbier de l'Amateur de Fleurs (1829)

Herbier de l'Amateur de Fleurs (1833)

Herbier de l'Amateur de Fleurs (1835)

Herbier General de l'Amateur (1821)

Herbier General de l'Amateur (1843)

Histoire des Maladies de S. Domingue - Poupée-Desportes, Jean-Baptiste René, 1704 -1748 (Chez Lejay, Libraire, rue S. Jacques, au-dessus de celle des Mathurins, au Grand Corneille, 1770)

Histoire des plantes d'Europe et étrangères. Les plus communes, les plus utiles et les plus curieuses, ou, Élémens de botanique pratique : ouvrage dans lequel on donne le signalement précis, suivant la méthode et les principes de Linné, des genres et des espèces leur synonymie, leurs propriétés, et une suite d'observations rédigées d'après nature - Linné, Carl von, 1707 -1778 (Chez Amable Leroy, 1806)

Histoire des plantes - Baillon, H. (Henri), 1827 -1895 (Librairie Hachette, 1892)

Histoire naturelle de Pline - Pliny, the Elder, 23 or 24 -79 (C. L. F. Panckoucke, 1829)

Histoire naturelle des végétaux. Phanérogames, Phanérogames - Spach, Edouard, 1801 -1879 (Librairie encyclopédique de Roret, 1841)

Histoire naturelle du département des pyrénées-orientales - Companyo, Louis. (Imprimerie de J.-B. ALzine, Rue des Trois-Rois, 1, 1861)

Histoire physiologique des Plantes d'Europe, ou exposition des phénomènes qu'elles presentent dans les diverses periodes de leur développement - Vaucher, Jean-Pierre, 1763 -1841 (Aurel Freres, 1841)

Historia fisica, politica y natural de la isla de Cuba - Sagra, Ramón de la, 1798 -1871 (A. Bertrand, 1845)

The history of Barbados; comprising a geographical and statistical description of the island; a sketch of the historical events since the settlement; and an account of its geology and natural productions - Schomburgk, Robert H. (Robert Hermann), 1804 -1865 (Longman, Brown, Green and Longmans, 1848)

A history of gardening in England - Cecil, Evelyn, Mrs., 1865 -1941 (J. Murray, 1910)

A history of gardening in England - Cecil, Evelyn, Mrs., 1865 -1941 (E.P. Dutton, 1910)

A history of the Pennsylvania Horticultural Society, 1827-1927 - Boyd, James, 1858 -1929 (Pennsylvania Horticultural Society, 1929)

History of Vermont, natural, civil and statistical, in three parts, with an appendix. 1853 - Thompson, Zadock, 1796 -1856 (The author, 1853)

Hobbs Nursery Stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.M. Hobbs & Sons, 1935)

Home and flowers

Home floriculture; a practical guide to the treatment of flowering and other ornamental plants in the house and garden - Rexford, Eben E. (Eben Eugene), 1848 -1916 (O. Judd company, 1903)

Home floriculture; a practical guide to the treatment of flowering and other ornamental plants in the house and garden - Rexford, Eben E. (Eben Eugene), 1848 -1916 (Orange Judd company, 1916)

Home garden and landscape guide, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1932)

Home garden and landscape guide : 1933 discounts - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1933)

Home landscapes : 1928 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1928)

Home landscapes, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1929)

Home planting guide for 1940 : ornamental trees and shrubs, roses, evergreens, fruits, nuts and berries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Monrovia Nursery Co, 1940)

Hooker's journal of botany and Kew Garden miscellany - Hooker, William Jackson, Sir, 1785 -1865 (Reeve, Benham, and Reeve, 1852)

Hooker's journal of botany and Kew Garden miscellany - Hooker, William Jackson, Sir, 1785 -1865 (Reeve, Benham, and Reeve, 1856)

The Horticultural register, and general magazine - Paxton, Joseph, Sir, 1803 -1865 (Baldwin and Cradock, 1831)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1907)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1908)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1913)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1914)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1915)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1916)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1848)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1849)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1852)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1875)

Hortus Cliffortianus : plantas exhibens quas in hortis tam vivis quam siccis, Hartecampi in Hollandia, coluit ... Georgius Clifford ... reductis varietatibus ad species, speciebus ad genera, generibus ad classes, adjectis locis plantarum natalibus differentiisque specierum. Cum tabulis aeneis - Linné, Carl von, 1707 -1778 ([s.n.], 1737)

Hortus suburbanus calcuttensis. A catalogue of the plants which have been cultivated in the Hon. East India company’s botanical garden, Calcutta, and in the Serampore botanical garden ... from the beginning of both establishments (1786 and 1800) to the end of August 1841 ... - Voigt, J. O. (Jahann Otto), 1798 -1843 (Bishop's College Press, 1845)

Hortus suburbanus Calcuttensis; A catalogue of the plants which have been cultivated in the Hon. East India Company's botanical garden, Calcutta, and in the Serampore botanical garden - Voigt, J. O. (Jahann Otto), 1798 -1843 (Bishop's College Press, 1845)

Hortus Veitchii : a history of the rise and progress of the nurseries of Messrs. James Veitch and sons, together with an account of the botanical collectors and hybridists employed by them and a list of the most remarkable of their introductions - Veitch, James Herbert, 1868 -1907 (J. Veitch & sons, 1906)

House & garden (Condé Nast Publications, etc.], 1921)

Hoveys' illustrated catalogue of new plants for 1871 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1871)

Hoveys' illustrated catalogue of new plants for 1872 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1872)

Hoveys' illustrated catalogue of new plants for 1873 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1873)

Human poisoning from native and cultivated plants - Duke University Press. (Duke University Press, 1969)

Human poisoning from native and cultivated plants - Duke University Press. (Duke University Press, 1974)

Huntington, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington Nursery, 1937)

Huntington, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington Nursery, 1938)

Huntington, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington Nursery, 1939)

Huntington's, 1933 : rare seeds of alpines, perennials and annuals, hardy herbaceous and selected rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington Nursery, 1933)

Huntington's catalogue, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington, 1935)

Huntington's catalogue, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington, 1936)

Huntington's rare and unusual Alpine, perennial and annual seeds, hardy herbaceous plants, bulbs, and roses, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington Nursery, 1931)

Huntingtons present their complete list of rare and unusual alpine, perennial and annual seeds, select hardy herbaceous and choice rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington Nursery, 1934)

Icones plantarum in flora Cubana descriptarum : ex historia physica, politica et naturali - Sagra, Ramón de la, 1798 -1871 (Baillière, 1863)

Icones plantarum novarum vel imperfecte cognitarum floram Rossicam, imprimis Altaicam, illustrantes - Ledebour, Carl Friedrich von, 1785 -1851 (apud I. Deubner, 1829)

Iconographia familiarum naturalium regni vegetabilis = Abbildungen der natürlichen Familien des Gewächsreiches : delineata atque adiectis familiarum characteribus adnotationibusque variis tum scientiam tum usum spectantibus exornata - Schnizlein, Adalbert, 1814 -1868 (M. Cohen, 1843)

Illinois Natural History Survey bulletin - Illinois. Natural History Survey Division (The Survey, 1987)

Illustrated 1925 descriptive catalog, our sixtieth anniversary - Roeding, George Christian, 1868 -1928 (California Nursery Company, 1925)

The illustrated dictionary of gardening :a practical and scientific encyclopædia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L.U. Gill, 1884)

The Illustrated dictionary of gardening : a practical and scientific encyclopaedia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L. Upcott Gill, 1887)

An illustrated dictionary of scientific terms - Rossiter, William, 1897 (G. P. Putnam's Sons, 1878)

Illustrated price catalog : 1914-1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Homestead Nurseries, 1914)

L'Illustration horticole : journal spécial des serres et des jardins, ou choix raisonné des plantes les plus intérressantes sous le rapport ornemental, comprenant leur histoire complete, leur description comparée, leur figure et leur culture - Lemaire, Charles Antoine, 1801 -1871 (Imprimerie et lithographie de F. et E. Gyselnyck, 1872)

Illustrations of the natural orders of plants with groups and descriptions. Reduced from the original folio ed - Twining, Elizabeth, 1805 -1889 (Sampson Low, Son, and Marston, 1868)

Immigrant plants in the Hawaiian islands. II - Fosberg, F. Raymond (Francis Raymond), 1908 -1993 (The University, 1948)

Index Kewensis plantarum phanerogamarum : nomina et synonym omnium generum et specierum a linnaeo usque as annum MDCCLXXXV complectans nomine recepro auctore patria unicuique planta subjectis : sumptibus beati Caroli Roberti Darwin ductu et consilio Josephi D. Hooker. Tomus 1-2 = Index Kewensis : an enumeration of the genera and species of flowering plants from the time of Linnaeus to the year 1885 inclusive together with their authors names, the works in which they were first published, their native countries and thei - Hooker, Joseph Dalton, 1817 -1911 (Clarendon Press, 1893)

Index of plants. 1912 - Anderson, James Webster. (Printed at the Methodist Publishing House, 1912)

Index plantarum Japonicarum, sive, Enumeratio plantarum omnium ex insulis Kurile, Yezo, Nippon, Sikoku, Kiusiu, Liukiu, et Formosa hucusque cognitarum systematice et alphabetice disposita adjectis synonymis selectis, nominibus Japonicis, locis natalibus - Matsumura, Jinzo, 1856 -1928 (Apud Maruzen, 1904)

Index Rafinesquianus : the plant names published by C. S. Rafinesque with reductions, and a consideration of his methods, objectives, and attainments - Merrill, Elmer D. (Elmer Drew), 1876 -1956 (Arnold Arboretum of Harvard University, 1949)