[60] The assassination of President Lincoln.

[61] Scientific Papers of Asa Gray, selected by C. S. Sargent, vol. ii. p. 321; also in American Journal Science and Arts, 2 ser., xli. p. 1 (1866).

[62] Johann Nils Andersson, 1821; professor of botany at Stockholm.

[63] The portrait is in the herbarium of the Museum at Stockholm.

[64] A. W. Chapman, b. 1809. Southampton, Mass. Residing at Apalachicola, Fla.; author of the Flora of the Southern States.

[65] Horace Mann, 1844-1868. Made large collections in the Sandwich Islands. Wrote “Enumeration of Hawaiian Plants,” Proceedings American Academy, 1866.

[66] George W. Clinton, 1807-1885; author of A Catalogue of the Native and Naturalized Plants of the City of Buffalo, and its vicinity.

[67] A set of questions on expression, etc.

[68] Coe F. Austin, 1832-1880; especially devoted to the study of Hepaticæ.

[69] William M. Canby, of Wilmington, Delaware.