Declines invitation to visit DN’s orchid collection. Thanks for orchids and list [of available plants]. Requests a few more spikes of Bolbophyllum, particularly of species with irritable labellum.

Returns a Drosera, from which he cut a piece for microscopic examination.

Utricularia montana just arrived.

CD has never before seen the Utricularia DN has sent. Hooker had told him about it. Asks that her gardener observe young Utricularia: CD is interested in internal structure of little balls on bladders.

Sends photograph.

Stupidly missed Utricularia bladders, which he assumed were with the leaves. Has now found true bladders on roots and has evidence of captive prey. Thinks bladders capture subterranean insects. Thinks the large bladder-like structures are water reservoirs. DN’s plant has given him a most enjoyable day of work.

Received Darlingtonia; cannot explain its fructification.

Declines invitation.

Thanks DN for references.

The Apocyanaceae that catch Lepidoptera represent the most gratuitous case of cruelty in nature known to CD, since the captured butterfly is of no use to the plant.

CD is familiar with cases of prepotency that are so strong that a cross has no effect.