Discusses CD’s and Mrs Gray’s health.
Comments on some climbing plants.
Praises Wallace’s article applying natural selection to man ["The origin of human races", J. Anthropol. Soc. Lond. 2 (1864): clviii–clxxxvi].
Discusses the reported sterility of the flowers of Voandzeia and Amphicarpaea.
Feels the ending of slavery is worth the cost of the Civil War.