Polemoniaceae of Nevada - Wherry, Edgar T. (Edgar Theodore), 1885 -1982 (Plant Industry Station, 1957)

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

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)

A popular California flora : or, Manual of botany for beginners, with illustrated introductory lessons, especially adapted to the Pacific coast; to which is added an Analytical key to west coast botany - Rattan, Volney, 1840 -1915 (Whitaker & Ray, 1896)

A popular California flora : or, Manual of botany for beginners with illustrated introductory lessons, especially adapted to the Pacific Coast ; to which is added an analytical key to west coast botany, containing brief descriptions of over 1600 species of Pacific Coast plants - Rattan, Volney, 1840 -1915 (Whitaker & Ray, 1896)

A popular California flora : or, manual of botany for beginners ... : to which is added an Analytical key to west coast botany ... - Rattan, Volney, 1840 -1915 (Bancroft, 1892)

A popular California flora, or, Manual of botany for beginners. Containing descriptions of flowering plants growing in central California, and westward to the ocean. With illustrated introductory lessons, especially adapted to the Pacific coast - Rattan, Volney, 1840 -1915 (A.L. Bancroft, 1883)

A popular California flora, or, Manual of botany for beginners. With illustrated introductory lessons, especially adapted to the Pacific Coast. To which is added an Analytical key to west coast botany. Containing brief descriptions of over 1600 species of Pacific Coast plants - Rattan, Volney, 1840 -1915 (The Whitaker & Ray Co, 1896)

A popular California flora, or, Manual of botany for beginners : with illustrated introductory lessons, especially adapted to the Pacific Coast : to which is added an analytical key to West Coast botany, containing brief descriptions of over 1600 species of Pacific Coast plants - Rattan, Volney, 1840 -1915 (Bancroft, 1888)

A popular California flora, or, Manual of botany for beginners : with illustrated introductory lessons especially adapted to the Pacific coast : to which is added an analytical key to West Coast botany, containing brief descriptions of over 1600 species of Pacific coast plants - Rattan, Volney, 1840 -1915 (Bancroft, 1887)

A popular California flora : or, manual of botany for beginners ... : to which is added an analytical key to West Coast botany ... - Rattan, Volney, 1840 -1915 (Bancroft, 1888)

A popular California flora, or, Manual of botany for beginners. Containing descriptions of flowering plants growing in central California, and westward to the ocean. With illustrated introductory lessons - Rattan, Volney, 1840 -1915 (A.L. Bancroft, 1880)

A popular California flora, or, Manual of botany for beginners - Rattan, Volney, 1840 -1915 (A.L. Bancroft and company, 1880)

A popular California flora, or Manual of botany for beginners. Containing descriptions of flowering plants growing in central California, and westward to the ocean. With illustrated introductory lessons, especially adapted to the Pacific coast - Rattan, Volney, 1840 -1915 (A.L. Bancroft, 1882)

A popular California flora, or, Manual of botany for beginners. Containing descriptions of flowering plants growing in central California, and westward to the ocean - Rattan, Volney, 1840 -1915 (A.L. Bancroft and Company, 1885)

A popular California flora, or Manual of botany for beginners. Containing descriptions of exogenous plants growing in central California, and westward to the ocean - Rattan, Volney, 1840 -1915 (A. L. Bancroft and Company, 1879)

A popular California flora, or Manual of botany for beginners. Containing descriptions of exogenous plants growing in central California, and westward to the ocean - Rattan, Volney, 1840 -1915 (A.L. Bancroft, 1879)

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

Popular garden botany; containing a familiar and scientific description of most of the hardy and half-hardy plants introduced into the flower garden - Catlow, Agnes, 1807? -1889 (L. Reeve, 1855)

Popular gardening and fruit growing; An illustrated periodical devoted to horticulture in all its branches (Popular gardening publishing company, 1886)

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

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1881)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1888)

Popular west coast flora; an analytical key to the flora of the Pacific coast, in which are described over eighteen hundred species of flowering plants growing west of the Sierra Nevada and Cascade crests, from San Diego to Puget Sound - Rattan, Volney, 1840 -1915 (The Whitaker & Ray co. (incorporated), 1905)

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)

Portefeuille des horticulteurs (J.-B. Gros, Rue du Foin Saint-Jacques, 18, 1848)

Portland Seed Co's catalogue : 1901 seeds and garden supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1901)

Portland Seed Co's catalogue 1905 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1905)

Portland Seed Co's catalogue : garden tools, spray pumps, seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1895)

Portland Seed Company's Catalog and seed annual for 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1924)

Portland Seed Company's Catalog and seed annual for 1925 - G.E. Conkey Company. (Portland Seed Co, 1925)

Portland Seed Company's complete catalog and seed annual for 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1921)

Portland Seed Company's complete catalogue. No. 57, 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1908)

Portland Seed Company's complete seed annual. No. 65 for 1910 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1910)

Portland Seed Company's complete seed annual for 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1913)

Portland Seed Company's complete seed annual for 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1915)

Portland Seed Company's complete seed annual for 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Company, 1916)

Portland Seed Company's complete seed annual for 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1917)

Portland Seed Company's complete seed annual for 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1918)

Portland Seed Company's complete seed annual for 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Company, 1919)

Portland Seed Company's complete seed annual for 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1920)

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 hints on the culture and general management of Alpine or rock plants ... to which is appended a list of Alpines, fern ... etc - Lothian, James. (W.H. Lizars, 1845)

Practical landscape gardening, with reference to the improvement of rural residences, giving the general principles of art; with full directions for planting shade trees, shrubbery and flowers, and laying out grounds - Kern, G. M. (Moore, Wilstach, Keys & co, 1855)

Practical landscape gardening, with reference to the improvement of rural residences, giving the general principles of the art; with full directions for planting shade trees, shrubbery and flowers, and laying out grounds - Kern, G. M. (Moore, Wilstach, Keys & co, 1855)

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)

Preliminary catalog of Anthophyta and Pteridophyta, reported as growing spontaneously within one hundred miles of New York City - Torrey Botanical Club. (1888)

A preliminary catalogue of the flora of Vancouver and Queen Charlotte Islands - British Columbia Provincial Museum. (Printed by W. H. Cullin, 1921)

A preliminary list of the Uredinales of California - Blasdale, Walter Charles, 1871 -1960 (University of California press, 1919)

Preliminary report of the United States Geological Survey of Montana, and portions of adjacent territories : being a fifth annual report of progress - Geological; Geographical Survey of the Territories (U.S.) (Govt. Print. Off, 1872)

A preliminary report on the biology of Harding County, northwestern South Dakota - Visher, Stephen Sargent, 1887 -1967 (State Publishing Co, 1914)

The presettlement vegetation of the California desert - United States. Bureau of Land Management. (s.n, 1980)

Pretty Tree Bench vegetation project : final environmental impact statement - Escalante Ranger District (Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Region, Dixie National Forest, Escalante Ranger District, 2000)

Price list, 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (St. Louis Seed Co, 1950)

Price list, 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (St. Louis Seed Co, 1951)

Price list and catalog, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Colorado Seed Co, 1940)