[40] Memoir of Dr. Gray, American Academy, 1888.
[41] Scientific Papers of Asa Gray, vol. ii.
[42] How Plants Grow.
[43] William Munro, 1816-1880; general in British army. “The most accomplished agrostologist of our day” [A. G.].
[44] Edward Tatnall, b. 1822, Wilmington, Del.; author of a catalogue of plants of Newcastle County, Delaware.
[45] A quotation from Butler’s Analogy, on the use of the word “natural,” which in the second edition is placed with the passages from Whewell and Bacon, on p. ii., opposite the title-page.
[46] Reviews of Darwin’s Origin of Species—Darwiniana.
[47] L. J. Xantus de Vesey. Collected at Fort Tejon in 1857-1859 for the Smithsonian Institution.
[48] Charles C. Parry, M. D., 1823-1890. Born in England, came to America in 1832. Explored and collected on the Mexican boundary, in the Rocky Mountains and in California. Died in Davenport, Iowa,—where is his herbarium.
[49] Berthold Seemann, 1825-1871; editor of the Journal of Botany, British and Foreign, etc., etc.