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

The planter's guide for 1905 : garden, farm and flower seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Planters Seed Co, 1905)

The planter's guide, or, Pleasure gardener's companion : giving plain directions, with observations, for the proper disposition and management of the various trees and shrubs for a pleasure garden plantation to which is added, a list of hardy trees and shrubs for ornamenting such gardens ... with a catalogue of the principal varieties of each kind : embellished with copper-plates proper to the subject - Meader, James. (Printed for G. Robinson, No. 25 Paternoster-Row, 1779)

Planters' annual 1898 : garden, field and flower seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Haven Seed Co, 1898)

Planters guide for Rhodesia, 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (G.H. Williams and Co, 1926)

Planters guide for Rhodesia, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (G.H. Williams and Co, 1928)

Planters wholesale price list : spring 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1922)

Les plantes médicinales - Losch, Friedrich. (Vigot Frères, 1906)

Plantes sauvages comestibles du Canada - National Museum of Natural Sciences (Canada) (Musées nationaux du Canada, 1979)

Plantes vasculaires des environs de Cherbourg - Le Jolis, Auguste, 1823 -1904 (J.B. Baillière, 1860)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1990)

Plants and their uses; an introduction to botany - Sargent, Frederick Leroy, 1863 -1928 (H. Holt and company, 1913)

Plants of Iowa; a preliminary list of the native and introduced plants of the state, not under cultivation - Greene, Wesley. (Bishard brothers, printers, 1907)

The plants of Michigan; simple keys for the identification of the native seed plants of the state - Gleason, Henry A. (Henry Allan), 1882 -1975 (G. Wahr, 1918)

Plants of Monroe County, New York, and adjacent territory - Beckwith, Florence. (1896)

The plants of Prince Edward Island - Erskine, D. S. (David Sterling) (Plant Research Institute, Research Branch, Canada Dept. of Agriculture, 1960)

The plants of Prince Edward Island - Erskine, D. S. (David Sterling) (Research Branch, Agriculture Canada, 1985)

Plants of Rhode Island : being an enumeration of plants growing without cultivation in the State of Rhode Island - Bennett, James Lawrence, 1832 -1904 (Providence Press, 1888)

Plants of Riding Mountain National Park, Manitoba - Canadian Parks Service. (Research Branch, Agriculture Canada, 1988)

The plants of Southern New Jersey with especial reference to the flora of the pine barrens and the geographic distribution of the species - Stone, Witmer. 1866 -1939 (1911)

Plants of the U.S. Military Academy, West Point, New York - Barringer, Kerry Alan (Brooklyn Botanic Garden, 1990)

Plants of west-central Montana : identification and ecology : annotated checklist - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1986)

Plants, seeds, bulbs, and flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ellis Bros, 1897)

Plants, seeds, bulbs and flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ellis Brothers, 1895)

Plants, seeds, bulbs, and flowers : 26th year 1898 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ellis Bros, 1898)

Plants, seeds, bulbs, and flowers : 27th year, 1899 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ellis Bros, 1899)

Plants, seeds, bulbs, and flowers : 28th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ellis Bros, 1900)

Plants, their natural growth and ornamental treatment - Hulme, F. Edward (Frederick Edward), 1841 -1909 (Marcus Ward & Co, 1874)

The Plasmodiophorales; including a complete host index, bibliography, and a description of diseases caused by species of this order - Karling, John S. (John Sidney), 1898 - (The author, 1942)

Platanaceae through Myricaceae of New York State - Mitchell, Richard S., 1938 - (University of the State of New York, State Education Dept, 1988)

Platt's 1942 seeds for your garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1942)

Platt's 1943 : vegetables for health and victory - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1943)

Platt's 1944 : enjoy your own garden fresh vegetables - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1944)

Platt's 1946 : zinnias for your home and garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1946)

Platt's 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1947)

Platt's 1949 : beauty and abundance from your own garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1949)

Platt's 1950 : beauty and abundance from your own garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1950)

Platt's catalogue of farm, garden and flower seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1914)

Platt's general catalogue for 1912 : farm, garden and flower seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1912)

Platt's seed annual. 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1916)

Platt's seed annual : 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1915)

Platt's seed annual : 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1921)

Platt's seed annual : 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1923)

Platt's seed annual : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Frank S. Platt Co.], 1924)

Platt's seed annual : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Frank S. Platt Co.], 1925)

Platt's seed annual : 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Frank S. Platt Co.], 1926)

Platt's seed book for 1910 : 34th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt, 1910)

Platt's seed book for 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1911)

Platt's seeds 1877-1952, our 75th anniversary - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co., Seedsmen, 1952)

Platt's seeds, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1930)

Platt's seeds, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1933)

Platt's seeds, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1934)

Platt's seeds, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1935)

Platt's seeds, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1938)

Platt's seeds, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1939)

Platt's seeds, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1940)

Platt's seeds 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1951)

Platt's seeds 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co., Seedsmen, 1953)

Platt's seeds 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co., Seedsmen, 1954)

Platt's seeds for 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1931)

Platt's seeds for 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1932)

Platt's seeds for your garden, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1941)

Platt's seeds for your garden : spring 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1945)

Der Plauische Grund bei Dresden : mit Hinsicht auf Naturgeschichte und schöne Gartenkunst - Darnstedt, Johann Adolph, 1769 -1844 (In der Frauenholzischen Kunsthandlung, 1799)

Die Pljesivica und ihr Verbindungszug mit dem Velebit in botanischer Hinsicht. A Pljesvica s a Velebittel összekötö hegyvonulat botan. viszonyai - Rossi, Ljudevit, 1850 - (Pallas Irodalmi és Nyomdai Részvénytársaság, 1913)

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)

A pocket synopsis of the families of British flowering plants : (based upon the system of Engler) - Grove, W. B. (William Bywater), 1848 -1938 (University Press, 1915)

Poems on conchology and botany : with plates and notes - Hoare, Sarah, 1777 -1856 (Simpkin & Marshall, 1831)

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

Pomona College journal of entomology - Pomona College (Claremont, Calif.). Department of Biology. (Published under the patronage of Ontario-Cucamonga Citrus Association by the Dept. of Biology of Pomona College, 1910)

Pomona College journal of entomology - Pomona College (Claremont, Calif.). Department of Biology. (Published under the patronage of Ontario-Cucamonga Citrus Association by the Dept. of Biology of Pomona College, 1909)

Poole's - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Poole's Seed & Implement Co, 1924)

Poole's Seed & Implement Co. [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Poole's Seed & Implement Co, 1926)

Poole's Seed & Implement Co. [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Poole's Seed & Implement Co, 1925)

Poole's seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Poole's Seed & Implement Co, 1930)

Poole's spring 1919 price list : seeds, fertilizers and spraying materials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Poole's Seed & Implement Co, 1919)

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

Popular economic botany : or, Description of the botanical and commercial characters of the principal articles of vegetable origin, used for food, clothing, tanning, dyeing, building, medicine, perfumery, etc - Archer, Thomas Croxen, 1817 -1885 (Reeve and co, 1853)

Popular economic botany; or, Description of the botanical and commercial characters of the principal articles of vetegable origin, used for food, clothing, tanning, dyeing, building, medicine, perfumery, etc - Archer, Thomas Croxen, 1817 -1885 (Reeve and co, 1853)

The Popular educator: a complete encyclopaedia of elementary, advanced and technical education (Cassell, 1888)

Popular field botany; containing a familiar and technical description of the plants most common to the various localities of the British Isles, adapted to the study of either the artificial or natural systems - Catlow, Agnes, 1807? -1889 (Reeve, Benham, and Reeve, 1848)

Popular field botany; containing a familiar and technical description of the plants most common to the various localities of the British Isles, adapted to the study of either the artificial or natural systems - Catlow, Agnes, 1807? -1889 (Reeve, Benham & Reeve, 1849)

A popular flora of Denver, Colorado - Eastwood, Alice, 1859 -1953 (Zoe Publishing Company, 1893)

Popular gardening and fruit growing; An illustrated periodical devoted to horticulture in all its branches (Popular gardening publishing company, 1889)

Popular names of flowers, fruits, &c., as used in the county of Somerset and the adjacent parts of Devon, Dorset and Wilts - Macmillan, Alexander Stuart. (Western Gazette, 1922)

Popular Science Review (1875)

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)

Porter-Walton : [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1917)

Porter-Walton Company : [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1919)

Porter-Walton Company : [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1918)

Porter-Walton's seed and nursery book for 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1920)

Porter-Walton's seed and nursery book for 1920-21 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1920)

Porter-Walton's seed and nursery book for 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1923)

The Portland catalogue of Maine plants - Portland Society of Natural History (Me.) (Portland society of natural history, 1892)

Portland Seed Company 44th seedalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Company, 1936)

Pot-grown hardy vines, evergreens and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1924)

Potter's cyclopaedia of botanical drugs and preparations - Holmes, E. M. (Edward Morell), 1843 -1930 (Potter & Clarke, 1915)

Potter's cyclopedia of botanical drugs and preparations - Wren, R. C. (Richard Cranfield), 1864 -1931 (Potter & Clarke, 1900)

Poultry supplies, garden and field seeds : spring 1932, section 2 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Graham & Ross Merc. Co, 1932)

Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei - Verein für natur- und heilkunde, Pressburg (1884)

Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei - Verein für natur- und heilkunde, Pressburg (1894)

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

The Practical American gardener; exhibiting the time for every kind of work in the kitchen garden, fruit garden, orchard, nursery, shrubbery, pleasure ground, flower garden, hop yard, greenhouse, hot-house and grape vines; for every (F. Lucas, Jr, 1819)

Practical botany, structural and systematic, the latter portion being an analytical key to the wild flowering plants, trees, shrubs, ordinary herbs, sedges and grasses of the northern and middle United States east of the Mississippi - Koehler, August (H. Holt and Company, 1876)

A practical flora for schools and colleges - Willis, Oliver R. (Oliver Rivington), 1815 -1902 (American Book Co, 1894)

The practical flower garden - Ely, Helena Rutherfurd, 1920 (The Macmillan company, 1911)

The practical garden-book : containing the simplest directions for the growing of the commonest things about the house and garden - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan Company, 1909)

The practical garden-book, containing the simplest directions for the growing of the commonest things about the house and garden - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Grosset & Dunlap, 1906)

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)

Practical plant biochemistry - Onslow, Muriel Wheldale 1880 -1932 (University Press, 1923)

Practical plant biochemistry - Onslow, Muriel Wheldale 1880 -1932 (University Press, 1920)

Practical plant biochemistry - Onslow, Muriel Wheldale 1880 -1932 (University press, 1920)

Practical plant physiology : an introduction to original research for students and teachers of natural science, medicine, agriculture and forestry - Detmer, W. (Wilhelm), 1850 -1930 (Swan Sonnenschein, 1898)

Practical plant physiology : an introduction to original research for students and teachers of natural science, medicine, agriculture and forestry - Detmer, W. (Wilhelm), 1850 -1930 (S. Sonnenschein, 1898)