Plant lists : Colombia, Chile, Peru, and Brazil - Smith, Albert C. (Albert Charles), 1906 Apr 5 - (1922)

Plant lists : Colombia, Costa Rica, and Venezuela - Pittier, Henri, 1857 -1950 (1888)

Plant lists : Costa Rica, Guatemala, and Ecuador - Skutch, Alexander F. (Alexander Frank), 1904 -2004 (1935)

Plant lists : Mexico, Guatamala, and British Honduras - Lundell, Cyrus Longworth, 1907 -1994 (1931)

Plant lists : Venezuela - Pittier, Henri, 1857 -1950 (1917)

Plant relations; a first book of botany - Coulter, John Merle, 1851 -1928 (Appleton, 1901)

Plant relations; a first book of botany - Coulter, John Merle, 1851 -1928 (D. Appleton, 1900)

Plant relations : a first book of botany - Coulter, John Merle, 1851 -1928 (D. Appleton and Company, 1910)

Plant sociology; the study of plant communities - Braun-Blanquet, J. (Josias), 1884 -1980 (McGraw-Hill book company, inc, 1932)

Plant specimen labels, Irian Jaya and New Guinea - Wijaya, E. A., (1991)

Plant studies; an elementary botany - Coulter, John Merle, 1851 -1928 (D. Appleton and company, 1900)

Plant studies; an elementary botany - Coulter, John Merle, 1851 -1928 (D. Appleton and Company, 1900)

Plant testing lists : Costa Rica - Schubert, Bernice, 1913 -2000 (1955)

The Plant world - Plant World Association. (Plant World Association [etc.], 1900)

The Plant world - Plant World Association. (Plant World Association [etc.], 1904)

The Plant world - Plant World Association. (Plant World Association [etc.], 1905)

Plantae Hasslerianae, soit énumération des plantes recoltées au Paraguay par le dr. Emile Hassler ... - Chodat, R. (Robert), 1865 -1934 (Impr. Romet, 1898)

Plantae Selerianae : Die von Dr. Eduard Seler und Frau Caecilie in Mexico und Centralamerica gesammelten Pflanzen - Loesener, Th. (Theodor), 1865 -1941 (Imprimerie Romet, 1899)

Plantas Hartwegianas :imprimis mexicanas adjectis nonnullis Grahamianis enumerat novasque - Bentham, George, 1800 -1884 ([G. Pamplin,], 1839)

Plantenkunde voor Indië - Haak, J. (G. C. T. Van Dorp & Co, 1892)

Les plantes de serre; description, culture, emploi des espèces ornementales ou intéressantes cultivées dans les serres de l'Europe - Bellair, Georges Adolphe, 1860 -1939 (Octave Doin, 1900)

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

Plantes toxiques du Canada - Mulligan, Gerald A., 1928 - (Agriculture Canada, 1990)

Les plantes utiles des colonies françaises - Lanessan, J.-L. de Jean Louis 1843 -1919 (Impr. nationale, 1886)

Planting guide and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. Nelson, Nelson Nursery, 1922)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1954)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1955)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1957)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1959)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1982)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1984)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1986)

Plants; a text-book of botany - Coulter, John Merle, 1851 -1928 (D. Appleton and company, 1900)

Plants and people in American agriculture - Fusonie, Alan M. (Associates of the National Agricultural Library, 1981)

Plants collected in Ecuador during 1923 by A. S. Hitchcock - Hitchcock, A. S. (Albert Spear), 1865 -1935 (1923)

Plants; a text-book of botany - Coulter, John Merle, 1851 -1928 (D. Appleton, 1907)

Plants : a text-book of botany - Coulter, John Merle, 1851 -1928 (D. Appleton and Company, 1907)

Plantsman - New Hampshire Plant Growers' Association. (1994)

Plantsman - New Hampshire Plant Growers' Association. (1995)

Poisonous plants of all countries - Bernhard-Smith, Arthur. (Baillière, Tindall & Cox, 1923)

Poisonous plants of all countries. With the active, chemical principles which they contain; and the toxic symptoms produced by each group - Bernhard-Smith, Arthur. (J. Wright, 1905)

Poisonous plants of Canada - Mulligan, Gerald A., 1928 - (Agriculture Canada, 1990)

Pollen - Edgeworth, Michael Pakenham, 1812 -1881 (Hardwicke & Bogue, 1877)

Pollen and spores of Barro Colorado Island - Roubik, David W. (David Ward), 1951 - (Missouri Botanical Garden, 1991)

Popular botany; the living plant from seed to fruit - Step, Edward, 1855 -1931 (H. Holt and company, 1913)

Popular gardening and fruit growing; An illustrated periodical devoted to horticulture in all its branches (Popular gardening publishing company, 1888)

Popular gardening for town and country (Popular Gardening Pub. Co, 1888)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1913)

Portefeuille des horticulteurs (J.-B. Gros, Rue du Foin Saint-Jacques, 18, 1847)

Practical floriculture : a guide to the successful cultivation of florists' plants, for the amateur and professional florist - Henderson, Peter, 1822 -1890 (O. Judd co, 1909)

Practical floriculture, a guide to the successful cultivation of florists' plants, for the amateur and professional florist - Henderson, Peter. (Judd, 1869)

Practical floriculture : a guide to the successful cultivation of florists' plants, for the amateur and professional florist - Henderson, Peter, 1822 -1890 (Orange Judd co, 1892)

Practical floriculture; a guide to the successful cultivation of florists' plants for the amateur and professional florist - Henderson, Peter, 1822 -1890 (Orange Judd, 1899)

Practical floriculture; a guide to the successful cultivation of florists' plants, for the amateur and professional florist - Henderson, Peter, 1822 -1890 (Orange Judd company, 1874)

Practical plant propagation; an exposition of the art and science of increasing plants as practiced by the nurseryman, florist and gardener - Hottes, Alfred Carl, 1891 -1955 (A. T. De La Mare company, inc, 1922)

Price list - California Nursery Co. (The Nursery, 1910)

Price list - California Nursery Co. (The Nursery, 1911)

Price list - California Nursery Co. (The Nursery, 1912)

Price list - California Nursery Co. (The Nursery, 1913)

Price list - California Nursery Co. (The Nursery, 1914)

Price list - California Nursery Co. (The Nursery, 1915)

Price list - California Nursery Co. (The Nursery, 1916)

Price list 1908-1909 : fruit and ornamental trees evergreens, palms, shrubs, roses etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1908)

Price list 1909-1910 : fruit and ornamental trees evergreens, palms, shrubs, roses etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1909)

Price list : 1913-1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1913)

Price list : 1914-1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1914)

Price list : 1915-1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1915)

Price list of fruit and ornamental trees, small fruits, evergreens, roses, etc., of the California Nursery Co - California Nursery Co. (The Nursery, 1915)

Price list of fruit and ornamental trees, small fruits, evergreens, roses, etc., of the California Nursery Co - California Nursery Co. (The Nursery, 1881)

Price list to accompany Tropical planting book of the Royal Palm Nurseries : issue of 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Royal Palm Nurseries, 1941)

Primitiae florae costaricensis - Durand, Th. (Théophile), 1855 -1912 (Jardin botanique de l'état, 1891)

The principles of plant-teratology - Worsdell, Wilson Crosfield (The Ray Society, 1915)

Proceedings of the annual convention - Society of American Florists; Ornamental Horticulturists. (D. Gunn)

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Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1997)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1903)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1907)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1912)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1907)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1988)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1990)

Proceedings of the Entomological Society of British Columbia - Entomological Society of British Columbia (Entomological Society of British Columbia, 1938)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1938)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1977)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1989)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 2002)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1900)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1921)

Proceedings of the Royal Horticultural Society London (Royal Horticultural Society, 1862)

Proceedings of the Royal Horticultural Society London (Royal Horticultural Society, 1863)

Proceedings of the Royal Horticultural Society London (Royal Horticultural Society, 1864)

Proceedings of the Royal Horticultural Society London (Royal Horticultural Society, 1865)