Summary

Asks about FH’s research on maize. Suggests experiments.

Summary

Apologises that he cannot supply any maize seed.

Summary

Thanks for FHGH’s new book; also for the list of seeds, but he does not want any at present.

Summary

Thanks for Hildebrand’s offer to translate Orchids into German, but H. G. Bronn had finished his translation before his death (Bronn trans. 1862). Has not yet received Hildebrand’s work on the distribution of coniferous trees (Hildebrand 1861). Asks that his compliments be presented to L. C. Treviranus.

Summary

Comments on FH’s paper ["Fruchtbildung der Orchideen", Bot. Ztg. 21 (1863): 329–33, 337–45]. Annals and Magazine of Natural History will publish it in September [3d ser. 12 (1863): 169–74].

Summary

Thanks for orchids.

Recovering from nine months’ illness.

Discusses fertilisation of Pulmonaria.

Summary

Is obliged to receive FH’s papers. The cases of Lopezia and Schizanthus are new to him.

In 1860 CD watched Bombus lapidarius sucking the flowers of Pedicularis sylvatica and saw what FH has described.

Has not yet read the paper on Salvia.

Summary

Has forwarded FH’s paper on Fumariaceae to horticultural congress. Comments on its findings.

Discusses forms of Oxalis.

Summary

Points out an error in proof-sheets of Hildebrand’s paper on Corydalis cava (Hildebrand 1866d) and suggests some improvements to the English.

Summary

Thanks for two copies of Hildebrand’s monograph on plant sexuality (Hildebrand 1867a).

Summary

Congratulates FH on graft-hybrid of potato. Importance of FH’s discovery to be discussed in Variation [2d ed., 1: 420].

Summary

Suggests FH’s graft-hybrid potatoes should remain with FH.

Sends addresses of Alfred Russel Wallace and Alexander Wallace for August Weismann.

Summary

Thanks for Botanische Zeitung notice of CD’s paper ["On the character and hybrid-like nature of the offspring from the illegitimate unions of dimorphic and trimorphic plants", J. Linn. Soc. Lond. (Bot.) 10 (1869): 393–437]. FH writes clearest style of all German authors.

Asks that August Weismann be told about papers by Wallace and Bates.

Summary

Requests seeds of Nolana prostrata & Hibiscus Africanus, which have been matured in Germany or in the more Southern parts of Europe.

Summary

Mentions experiments on Lythrum.

Thanks for list of seeds.

Summary

Comments on FH’s paper ["Verbreitungsmittel der Compositenfrüchte", Bot. Ztg. 30 (1872): 1–14].

Discusses function of mucus filaments on seeds of Compositae and other plants.

Comments on Eugen Askenasy’s publication [Beiträge zur Kritik der Darwin’schen Lehre (1872)].

Comments on evolutionary views of Carl Nägeli.

Summary

Asks for results of FH’s experiments fertilizing some flowers with pollen from the same flower, & other flowers with pollen from distinct flowers borne by the same plant.

Has read FH’s paper on the distribution of the seeds of the Graminæ (Hildebrand 1872, pp. 740–1) with great interest.

Summary

Thanks for FH’s work on the means of the distribution of plants (Hildebrand 1873).