Plant responses to salinity : an indexed bibliography (Office of the Regional Administrator for Agricultural Research (Western Region), Science and Education Administration, U.S. Department of Agriculture, 1978)

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

The Plant world - Plant World Association. (Plant World Association [etc.], 1901)

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

The Plant world - Plant World Association. (Plant World Association [etc.], 1917)

Plantae diaphoricae florae Argentinae, ó, Revista sistemática de las plantas medicinales, alimenticias ó de alguna otra utilidad y de las venenosas, que son indígenas de la República Argentina ó que, originarias de otros países se cultivan ó se crian éspontáneamente en ella - Hieronymus, G. (Georg), 1846 -1921 (G. Kraft, 1882)

Plantae Mexicanae. 1885-1906 - Pringle, Cyrus G. (Cyrus Guernsey), 1838 -1911 (C.G. Pringle, 1885)

Plantae novae Thurberianae: the characters of some new genera and species of plants in a collection made by George Thurber, of the late Mexican Bounday Commission, chiefly in New Mexico and Sonora - Gray, Asa, 1810 -1888 (Metcalf, 1854)

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

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

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

Plantenschat : inleiding tot de kennis der flora van Nederland - Bruinsma, Vitus. (P. Noordhoff, 1898)

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

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, Jean-Louis de, 1843 -1919 (Impr. nationale, 1886)

Plantkundig woordenboek voor Nederlandsch Indië : met korte aanwijzingen van het geneeskundig- en huishoudelijk gebruik der planten, en vermelding der verschillende inlandsche wetenschappelijke benamingen - Filet, G. J., 1825 -1891 (J.H. de Bussy, 1888)

Plants and flowers of Kansas - Smyth, Bernard Bryan, 1843 - (Crane & Co, 1900)

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

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 poisonous to live stock - Long, Harold C. (Harold Cecil), 1876 - (Univ. Press, 1917)

Plants poisonous to live stock - Long, Harold C. (Harold Cecil), 1876 - (University Press, 1917)

Plants poisonous to live stock - Long, Harold C. (Harold Cecil), 1876 - (University press, 1917)

Plants reported resistant or tolerant to root knot nematode infestation - Tyler, Jocelyn, 1900 - (U.S. Dept. of Agriculture, 1941)

Plants tested for or reported to possess insecticidal properties - McIndoo, N. E. (Norman Eugene), 1881 -1956 (U.S. Dept. of Agriculture, 1924)

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

Poisonous outdoor plants - Alberta. Alberta Agriculture; Rural Development. (Alberta Agriculture and Rural Development, 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)

Poisonous plants of the Midwest - University of Illinois at Urbana-Champaign. Dept. of Landscape Architecture. (Dept. of Landscape Architecture, University of Illinois, 1983)

Poisonous plants of the world - Moldenke, Harold N. (Harold Norman), 1909 -1996 (1951)

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, 1912)

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)

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)

The popular encyclopedia; being a general dictionary of arts, sciences, literature, biography, history, and political economy, reprinted from the American edition of the "Conversations lexicon" ... with dissertations on the rise and progress of literature (Blackie, 1900)

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)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1875)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1899)

Popular Science Review (1865)

Populäre biologische Vorträge - Molisch, Hans, 1856 -1937 (G. Fischer, 1922)

Populäre Encyclopädie der praktischen Landwirthschaft; ein belehrendes Taschenbuch für Güterbesitzer, Wirthschaftsbeamte und Landwirthe. 3. nach dem gegenwärtigen Stande der Naturwissenschaften verb. und mit Zusätzen bereicherte Aufl. Hrsg. von Fernand Stamm - Leibitzer, Johann (G. Heckenast, 1854)

The potato - Dean, Daniel (The Macmillan Company, 1917)

The potato - Dean, Daniel (Macmillan, 1917)

The potato : a compilation of information from every available source - Grubb, E. H. (Doubleday, Page & Co, 1912)

Potato breeding and selection - Stuart, William, 1865 - (U.S. Dept. of Agriculture, 1915)

The potato : a compilation of information from every available source - Guilford, William Sumner, 1882 - (Doubleday, Page, 1912)

The potato in British Columbia - Tice, Cecil, 1893 - (Printed by W.H. Cullin, printer to the King's most excellent Majesty, 1921)

The potato in field and garden - Malden, Walter James, 1857 - (W.A. May, 1895)

Potato leaf roll and its insect vectors in the Edmonton District - University of Alberta. Dept. of Entomology. ([University of Alberta], 1945)

Potato pests - Riley, Charles V. (Charles Valentine), 1843 -1895 (O. Judd company, 1876)

The potato plant, its uses and properties: together with the cause of the present malady. The extension of that disease to other plants, the question of famine arising therefrom, and the best means of averting that calamity - Smee, Alfred, 1818 -1877 (Wiley & Putnam, 1847)

The potato : a practical treatise on the potato, its characteristics, planting, cultivation, harvesting, storing, marketing, insects, and diseases and their remedies, etc., etc - Fraser, Samuel, 1876 -1959 (Judd, 1909)

The potato; a practical treatise on the potato, its characteristics, planting, cultivation, harvesting, storing, marketing, insects, and diseases and their remedies, etc., etc - Fraser, Samuel, 1876 -1959 (O. Judd company, 1905)

The potato; a practical treatise on the potato, its characteristics, planting, cultivation, harvesting, storing, marketing, insects, and diseases and their remedies, etc., etc - Fraser, Samuel, 1876 -1959 (Orange Judd company, 1905)

The potato quarantine and the American potato industry - Orton, W. A. (William Allen), 1877 -1930 (U.S. Dept. of Agriculture, 1914)

The potato tuber moth - Graf, J. E. (John Enos), 1889 - (U.S. Dept. of Agriculture, 1917)

Potatoes : how to grow and show them : a practical guide to the cultivation and general treatment of the potato - Pink, James. (Crosby Lockwood & Co, 1879)

Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei - Verein für natur- und heilkunde, Pressburg (1905)

PPQ foreign-site technical packet for New Zealand - United States. Animal; Plant Health Inspection Service. Plant Protection; Quarantine Programs. (PPQ, APHIS, USDA,], 1985)

Practical botany - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn and company, 1911)

Practical botany - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn, 1911)

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)

The practical farmer, or Spirit of the Boston cultivator, containing a collection of valuable essays, on practical agriculture, &c - Buckminster, William. (D. H. Williams, 1840)

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

The practical fruit, flower and vegetable gardener's companion with calendar - Pardee, R. G. (Richard Gay), 1811 -1869 (C.M. Saxton and Co, 1855)

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)

Practical plant anatomy - Foster, Adriance S. (Adriance Sherwood), 1901 -1973 (D. Van Nostrand company, inc, 1942)

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)

Practical text-book of plant physiology - MacDougal, Daniel Trembly, 1865 -1958 (Longmans, 1908)

Practical text-book of plant physiology - MacDougal, Daniel Trembly, 1865 -1958 (Longmans, Green, and Co, 1901)

Praktische Studien an der Familie der Orchideen, nebst Kulturanweisungen und Beschreibung aller schönblühenden tropischen Orchideen - Beer, Johann Georg, 1803 -1873 (Gerold & Sohn, 1854)

Precis Analytique des Travaux de l'Academie des Sciences, Belles-Lettres et Arts de Rouen - Académie des sciences, belles lettres & arts de Rouen (1835)

Preliminary catalogue of plants poisonous to stock - Chesnut, V. K. (Victor King), 1867 -1938 (1898)

A preliminary check list of the cryptogams and phanerogams in the vicinity of Saint Louis, Missouri - Engelmann Botanical Club. Check List Committee. (The Club, 1911)

A preliminary list of Maine fungi - Ricker, Percy Leroy, 1878 -1973 (1902)

A preliminary list of Nicaraguan plant diseases - Stevenson, John A. (John Albert), 1890 -1979 (Plant Disease Epidemics and Identification Section, Agricultural Research Service, United States Department of Agriculture, 1957)

Preliminary list of plants growing without cultivation in the vicinity of Manchester, New Hampshire - Batchelder, Frederick William. (Manchester institute of arts and sciences, 1909)

A preliminary list of the parasitic fungi of Idaho - United States. Division of Mycology; Disease Survey. (Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1936)

A preliminary report on the sugarbeet wireworm - Graf, J. E. (John Enos), 1889 - (Govt. print. off, 1914)

President's address and the sectional addresses. 1831 - British Association for the Advancement of Science. (1922)

Primeras noticias acerca de la vegetacio´n americana, suministradas por el almirante Colo´n y los inmediatos continuadores de las investigacionas dirigidas al conocimiento de las plantas, con un resumen de las expediciones bota´nicas de los espan oles - Colmeiro, Miguel, 1816 -1901 (Ateneo de Madrid, 1892)

Principal poisonous plants of the United States - Chesnut, V. K. (Victor King), 1867 -1938 (U.S. Dept. of Agriculture, Division of Botany, 1898)

Principal poisonous plants of the United States - Chesnut, V. K. (Victor King), 1867 -1938 (Govt. print. off, 1898)

The principal starches used as food : illustrated with photo-micographys with a short description of their origin and characters - Griffiths, W. (Baily & Son, 1892)

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)

The principles of agronomy; a text-book of crop production for high-schools and short-courses in agricultural colleges - Harris, Franklin Stewart, 1884 -1960 (The Macmillan company, 1915)

Principles of animal biology - Shull, A. Franklin (Aaron Franklin), 1881 -1961 (McGraw-Hill, 1920)

Principles of animal biology - Shull, A. Franklin (Aaron Franklin), 1881 -1961 (McGraw-Hill book company, inc, 1946)

The principles of botany, and of vegetable physiology - Willdenow, Karl Ludwig, 1765 -1812 (Printed at the University Press, for William Blackwood, 1805)

The principles of botany, and of vegetable physiology / translated from the German of D.C. Willdenow - Willdenow, Karl Ludwig, 1765 -1812 (Blackwood, 1811)

The principles of pharmacognosy :an introduction to the study of the crude substances of the vegetable kingdom - Flückiger, Friedrich A. (Friedrich August), 1828 -1894 (W. Wood & company, 1887)

Principles of plant pathology - Owens, Charles Elmer, 1877 - (Wiley, 1928)

Principles of plant physiology - Raber, Oran, 1893 -1940 (The Macmillan Co, 1938)

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

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