Summary

Suspects WTT-D is the author of a good review of Erasmus Darwin in Nature [21 (1880): 245–7].

Summary

Asa Gray wants seeds of a variety of cotton known as vine cotton.

Summary

Wants Ipomoea seeds for observing germination.

Summary

WTT-D’s suggestion about absorbent function of pegs in Abronia suggests origin of pegs in Welwitschia, which deeply interests CD. Previously could not see how pegs became large enough to be of mechanical use. Now thinks tissue between hypocotyl and radicle absorbs fluid, which would favour rise of peg to expose larger surface.

Rejects German contempt for investigating use of organs.

Asks WTT-D to observe how worms draw Robinia leaves into burrows.

Summary

Wants plants with two sets of anthers of different colours. Fritz Müller letter [13041a] has made him wish to renew experiments and observations carried out 20 years ago.

Summary

Wants Monochaetum flowers for examination as he has forgotten the structure and cannot publish until he has repeated his observations and experiments.

Summary

Thanks for Monochaetum flowers; his old notes have now become intelligible.

Summary

About Francis Darwin’s application for election to [Royal] Society.

Summary

Wants Trifolium seed.

Has been rereading WTT-D’s letters on "bloom".

Summary

Wants a Clematis identified. Has been observing how earthworms drag down its petioles.

Summary

Thanks for WTT-D’s attempts to get the Trifolium seeds.

Summary

Progress of his and Frank Darwin’s work; "all natural science seems now to depend on section-cutting".

Summary

Would be grateful for some Euphorbia species for examination of the roots. "The subject is by no means worth all the labour I am bestowing on it, but I cannot bear to be beaten."

Summary

Magnificent supply of Euphorbiae arrived safely.

Summary

Asks for Cassia plants.

What books could CD give R. I. Lynch to show his gratitude?

Summary

Wishes to identify a species of Cassia whose movements interest him.

Summary

Concerning secretion of "bloom";

movements of Robinia.

Summary

Wants some plants for observation and for experimentation on their powers of movement.

Asks WTT-D to make observations on plants with sensitive stamens or pistil.

Summary

Thanks for the seeds and plants that he requested.

Summary

Discusses effects of water on movement of insectivorous plants.

Has just found that Pinguicula can digest albumen.

Asa Gray writes that Sarracenia secretes trail of fluid to attract insects [see 9455].