[148] A relative left Nuttall a comfortable little estate and property on condition that he should not be away from it more than three months in the year. He managed to come to America again by taking the three last months of one year and the three first of the next.
[149] Increase Allen Lapham, 1811-1875; author of a Catalogue of Plants in the Vicinity of Milwaukee.
[150] Charles Pickering, 1805-1878. “Author of Geographical Distribution of Plants and Animals and Man’s Record of his own Existence, largely a record of changes in the habitat of plants. A monument of wonderful industry” [A. G.].
[151] John P. Brace, Litchfield, Conn.; an early botanist and mineralogist. His herbarium went to Williams College.
[152] A. Wislizenus, M. D., b. 1810. Explored New Mexico and Mexico; was arrested as a spy. On returning to the United States published a memoir of the tour, 1846-1847.
[153] Josiah Gregg, died in California, 1850; made excellent collections in Chihuahua and in the Valley of the Rio Grande. Author of the Commerce of the Prairies.
[154] Leo Lesquereux, 1806-1889; the leading fossil botanist of America, and a distinguished bryologist.
[155] Sprague made, under Dr. Gray’s directions, some drawings in color of the work planned, The Trees of North America. The work was never completed, too many things, expense, etc., coming in the way, but the few plates printed and colored by Prestele were issued in a small quarto pamphlet by the Smithsonian Institution in 1891.
[156] John Amory Lowell, 1798-1881; a Boston merchant, and a liberal patron of botany. He bought many valuable books and collected a fine herbarium. He shaped the policy and direction of the Lowell Institute founded by his cousin, John Lowell.