Summary

Asked C. E. Bessey whether Lithospermum longiflorum was dimorphic like its relatives. Encloses CEB’s reply.

Summary

Has two young friends who wish to call on CD.

Summary

Has received CD’s book [Forms of flowers]; thanks him for the compliment of the dedication.

Summary

AG’s review of Joseph Cook ["Lectures on biology", New Englander 37: 100–13].

Encourages CD to work at heliotropism.

Thinks Thomas Meehan is as "rattle-brained" as Joseph Cook.

[A damaged fragment cut from this letter is pinned to 11051.]

Summary

Will try to get Ipomoea and Megarrhiza seeds for CD.

Summary

Sends some cotton seeds for CD.

Summary

Germination of Megarrhiza. AG’s observations at variance with CD’s.

Summary

Sends seeds of Megarrhiza and gives details of species.

Summary

Germination and root of Ipomoea.

Summary

Encloses a letter from Volney Rattan of California.

Summary

Confirmation of CD’s idea: AG planted seeds Ipomœa pandurata. One seed has come up and its germination is same as of I. leptophylla.

Summary

Information about Ipomœa jalapa.

Summary

Apologises for his silence when Francis Darwin’s paper was read at the Linnean Society.

AG’s review of Movement in plants [Nation 32 (1881): 17–18].

Summary

Has filled up CD’s paper [see 1674].

Distribution and relationships of alpine flora in U. S.

Summary

Sends a list of "close" species from his Manual of botany.

Hopes Hooker or CD will write an essay on species. Discusses some of the difficulties of defining botanical species.

Summary

Believes intermediate varieties are generally less numerous in individuals than the two states that they connect.

Discusses the difficulties of deciding what is the typical form of a species

and gives some opinions on the variability of introduced species compared with indigenous species.

Summary

Plants that are social in the U. S. but are not so in the Old World.

Distribution of U. S. species common to Europe.

Gives Theodor Engelmann’s opinion on the relative variability of indigenous and introduced plants and notes the effects of man’s settlement on the numbers and distribution of indigenous plants.

Summary

Outlines the ranges of northern U. S. species common to Europe. Hopes to investigate the resemblances between the floras of the north-eastern U. S. and western Europe. Discusses routes by which alpine plants appear to have reached U. S.

Summary

Discusses the ranges of alpine species in U. S. and considers the possible migration routes of such species from Europe.

Lists those U. S. genera which he considers protean and describes the U. S. character of some genera which are protean in Europe.

Describes how he distinguishes introduced and aboriginal stocks of the same species.

Summary

Comments on species with disjoined ranges; does not feel, despite CD’s expectations, that they tend to belong to small families.

Gives the proportion of U. S. trees in which the sexes are separate [see Natural selection, p. 62].