Autograph Letter Signed, to Mr. Kidston, discussing botany, “… the question of number of sporangiophores per leaf in Sph. Majus …” etc. 3 pp. 8 x 5 inches, remains of guard, in good condition. Hillhead, 31 March 1902. F.O.Bower (1855-1948), Regius Professor of Botany at the University of Glasgow, author of many books on botany.