Sends tuber of Chilean wild potato, requested through Hooker and P. L. Sclater.
Plans to exhibit a bird’s foot with a large ball of clay attached. This phenomenon supports CD on seed dispersal.
Sends tuber of Chilean wild potato, requested through Hooker and P. L. Sclater.
Plans to exhibit a bird’s foot with a large ball of clay attached. This phenomenon supports CD on seed dispersal.
Thanks for CD’s answers on Passiflora
and Asa Gray review.
Has observed gradation of sterility in Oncidium species.
Has observed rostellar germination and fertilisation in Laelia. The latter was prevented in Bletia by covering the stigma with plaster of Paris.
Gongora atropurpurea capsules are swelling.
Discusses the Duke of Argyll’s article on the supernatural [Edinburgh Rev. 116 (1862): 378–97].
Has heard that the Incas married their sisters; this may be worth investigating as a case of inbreeding.
No summary available.
Was grateful to receive JH's kind letter. Will give him great pleasure to speak of JH's son John. Wonders if his other son has returned from India.
No summary available.
No summary available.
No summary available.
Thanks WDF for authentic details of number and colour of lambs [Variation 2: 30].
Complains of his eczema.
No summary available.
No summary available.
No summary available.
Observation on morphology of Primula ovarium sent for DO’s use.
Has been looking at separation of sexes in poplars.
Interested in reversion.
Does not understand all CD said on inheritance.
JDH now remembers that Origin was "published" some time before it was "distributed" and therefore appeared prior to his own essay [see also 2478].
Impossible to say whether some Dipterocarpaceae survived a cold period or have developed since.
Thanks for potatoes, which may be useful in crossing.
Germination of seeds in earth on partridge’s foot.
Enthusiastic about JS’s work on Passiflora self-incompatibility.
CD quotes JS on rostellar pollen germination [in "Fertilisation of orchids", Collected papers 2: 77–8]. H. Crüger attributes it to ants’ carrying stigmatic secretion to pollen.
Homomorphic cowslip seedlings are, sadly, showing variation.
No summary available.
Encloses a dialogue on species from a New Zealand newspaper [S. Butler’s First dialogue on evolution, from the Christchurch Press].
No summary available.
No summary available.