Discusses the female parts of the Primula flower; the true character of the free placenta is not completely understood.
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Discusses the female parts of the Primula flower; the true character of the free placenta is not completely understood.
The number of "aquatic" flowers is reduced if one considers only those that expand under water.
Lecturing at Norwich.
Answers CD’s query on Primula longiflora and P. scotica.
Would like abstract of CD’s paper ["Two forms of Linum", Collected papers 2: 93–105] for Natural History Review.
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.
Sends some specimens for CD.
Is busy with W. African Amomum, whose floral structure he discusses.
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.
Gives a reference to a paper.
DO thinks an essay [Alexander Braun’s "Rejuvenescence", Ray Society (1853)] is not worth reading with respect to some difficulty concerning phyllotaxy.