Summary

Fungus is an Aecidium. Porliera, Anthuriums and Aroids will hopefully sprout if weather gets hot. Sachs has changed his ideas about the cause of heliotropism. Describes men he is sharing a lab with.

Summary

Geotropism.

Experimenting on Porlieria in damp and dry earth.

Hermann Müller has been ridiculed for teaching children "in the beginning was Carbon".

Will ask about Ernst Krause.

Summary

Reports on roots and climbing plants experiments he is performing in Sachs’ laboratory. Orchids with air roots have come. Goebel says proshelic better than helic.

Summary

Discusses results of geotropism experiment. Has started some heliotropic caustic experiments on mustard roots. Has trouble making marks.

Summary

Describes his talk with Julius von Sachs about canary-grass.

Summary

Heliotropism nomenclature. Apheliotropic mustard roots grow more quickly in dark. Measures growth with microscope as S. H. Vines did in mould. Studying air roots.

FD’s and Stahl’s negative opinion of Sachs.

Summary

Pressure paralyses the streaming of protoplasm in the hairs of Tradescantia.

Summary

Discusses Müller-Thurgau’s work on heliotropism. Will start on Thursday for Heidelberg and Strassburg.

Summary

Describes bean experiments. Will tell Emma Darwin to tell Elizabeth Darwin that he has written to the Riffel.

Summary

Will stay until London until after the Linnean Society meeting unless CD wants anything. Asks to send abstracts of papers. Has made short abstracts of papers for Nature.

Summary

Hopes CD got telegram about Convolvulus. Is measuring plants every four hours. Will go to Brittany by boat from Southampton on Monday night.

Summary

Thanks for letter and journals. Sends information on earthworms and also information from Mr Ruck. Describes his fishing and his success finding sea shore plants that are new to him.

Summary

Sorry he forgot the gardener’s address. Having a very nice time in Cambridge, and is almost finished the bramble paper. Drawing room is upside down, so living in Horace’s working room and dining room. Greek question was lost in the Senate House. George dined there last night. Too muddy to bicycle. Has some stuff for spectacles.

Summary

News from the laboratory at Strasbourg; is working on Equisetum roots. Wortmann has found circumnutation in the mycelium of a fast-growing fungus. Please send papers (see 13155).

Summary

Is sorry to have involved himself in a priority dispute between Wortmann and Elfving. Intends to publish on circumnutation; will CD send him his notes? Apologises for taking CD’s protractor, will send it back. Has met Oscar Schmidt.

Summary

Would like some of his notes. Has been looking at roots of Linum, cucurbits, larch, and orchids. Is content that mother should teach Bernard whatever religion she likes.

Summary

Encloses letter from Elfving (not found). Should he publish on false circumnutation?

Summary

Glad CD approves of diaheliotropic paper. Reports on experiments with Carex and Yucca. Discusses translation of ‘Växtbook’ from Swedish. Heard some excellent music the previous night.

Summary

Passes on an account from Cohen of preparations by Hahn of fossil coral-like structures.

Summary

Discusses observations on circumnutation by FD, Kraus, Wortmann.