Summary

Their enumeration [of forms of Lythrum?] is invaluable. He will write later to explain what he is trying to prove about Lythrum through laborious crosses.

Asks for flowers of both forms of Hottonia to measure pollen and compare stigmas.

Summary

Proportions of different forms of Lythrum.

Summary

Looked for Hottonia but with little success.

Summary

Can CCB get Lythrum hyssopifolium seeds?

Hottonia splendidly dimorphic.

Summary

CD’s great interest in JS’s work on fertility of Primula crosses.

Thanks for Passiflora trials.

"By no means modify even in slightest degree any result."

CD wishes he had counted rather than weighed Primula seeds.

Summary

Sends observations on seeds of Pulmonaria officinalis requested by CD.

Summary

Observations for CD on oxlips, which she finds never grow near cowslips or primroses.

Summary

Believes Lythrum is trimorphic. Asks AG for seeds of plants he suspects are polymorphic.

Summary

Asks her to see whether the flowers or leaves of Erica massoni are noted as glutinous in the Botanical Magazine.

Inquires about the pods of peony: are they brilliantly coloured and do birds eat them?

Summary

JS’s facts on Primula are new to CD.

In Linum CD has also found dimorphic and non-dimorphic species.

Plans to publish next autumn on successive homomorphic generations in Primula.

"Fluctuating forms" due to culture.

Urges JS to publish.

Lobelia functionally monoecious.

Where did JS publish on Clivia hybrids? Did he count parent and cross seeds, as Gärtner shows is necessary?

CD has done large experiments on artificially fertilised cowslips. They never resemble oxlips.

Would welcome detailed criticism of natural selection by a careful observer like JS. Most criticism worthless. Expects a great deal from Lyell’s reaction.

Suggests JS do orchid experiment to see if rostellum can be penetrated by pollen.

Summary

Asks her to observe seedlings of Neottia breaking the surface to see whether the flower stems grow straight up or form arches, and whether they secrete water that softens the surrounding ground.