LEMMON, , John Gill, botanist, born in Lima, Michigan, 2 June, 1832. He served three years as a private in the 4th Michigan cavalry, participated in the famous experiences of that regiment, was captured, and spent six months in southern prisons. He taught in California, and, engaging in explorations on the Pacific coast, has made many discoveries in entomology and botany. Since 1886 he has been special agent of the California agricultural department in the division of forestry, and in 1888 he was appointed its botanist. Mr. Lemmon has discovered more than 200 botanical species. He has published "Ferns of the Pacific " (San Francisco, 1882); "Discovery of the Potato" (1884); and "Memorial of Amila Hudson Lemmen " (Oakland, California, 1885).--His wife. Sarah Allen Plummet, botanist, born in New Gloucester, Maine, 3 September, 1836, was educated at the Female college of Worcester. Massachusetts, served as a hospital nurse during the civil war, and then studied at Cooper Union, New York city. In 1869 she removed to California, and in 1880, having married Mr. Lemmon, began the study of botany, in which she has made several discoveries. She has also painted in water-colors much of the flora of the Pacific slope, and her collection of more than eighty field sketches of flowers took the first premium at the World's exposition in New Orleans in 1884-'5. On her discovery of a new genus of plants in 1882, Dr. Asa Gray named it Plummera floribunda. Mrs. Lemmon is the author of the papers on "The Ferns of the Pacific Slope" (1882); " Silk-Cultme in California" (1884); and " Marine Botany" (1886).