Summary

Many thnks for the pelargonium letter.

Summary

He has had no success with horse or Spanish chestnuts.

Summary

Directs CD where to find tools in his room. Has been looking at agave and aloe flowers. Thanks family for their letters.

Summary

Astonished at circular and will risk revolutions to invest. Describes Blidah, Algeria.

Summary

Frank decides to accept Cambridge nomination for examiner; thanks JDH and Thiselton-Dyer for their encouragement.

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

Last night had tremendous thunderstorm. Will ask Goebel about proshelismus. Describes experiments on beans. Please send Bessy’s address. Has got to know nice Englishman named Purdy and his wife. Bathes nearly every night with the Finlander.

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).