Discusses the female parts of the Primula flower; the true character of the free placenta is not completely understood.

Sends some specimens for CD.

Is busy with W. African Amomum, whose floral structure he discusses.

The ovule of Primula is amphitropous or what J. Georg Agardh calls apotropo-amphitropous [see Theoria systematis plantarum (1858), tab. 24, fig. 5–6].

Hildebrand’s paper is unsuitable for the Natural History Review.

Gives a reference to a paper.

Discusses the contraction of hygroscopic bundles in seed-pods,

and a paper by Hugo von Mohl ["Über dimorphe Blüthen", Bot. Ztg. (1863): 309–15, 321–8] in which he discusses Oxalis and determines that Fumaria is a necessarily self-fertilising plant.

Botanists are obliged to regard tendrils as either leaf- or stem-formations. Vitis, Passiflora, and Clematis are discussed. [See 4398.]

Thinks the paper by H. Crüger should appear in the Journal of the Linnean Society.

Discusses homologies of plant organs.

The passion-flower tendril should be considered a modified branch rather than a modified flower. Considers the distinction between the peduncle and the leaf midrib.

Observations on climbing species of Tacoma. [Tecoma!?]

Encloses memorandum on tendrils. Nature of tendrils in Modecca.

References to and résumés of articles on climbing plants.

Will be glad to do diagram for CD;

asks whether he has read a Hugo von Mohl paper [see 4349].

Thanks for photograph.

Reports his limited observations on climbing of Nepenthes.

Sends addresses of Planchon, Hofmeister, and Schleiden.

Hermann Crüger left no widow.

Returns a paper which he has looked over.

Cannot name the scrap of Strychnos with any certainty.

Gives CD some references to papers.

Reports improvement in his wife’s health.

Identifies a plant.

CD will not find Hermann Schacht’s Lehrbuch [der Anatomie und Physiologie der Gewächse (1856–9)] at the Linnean Society Library.

Arrangements for obtaining Carl Nägeli a set of British Hieracium specimens.