Support CD’s views on variability of species, but believes they must be interpreted "spiritualisticamente".
Cross-fertilisation in the Asclepiadaceae.
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Support CD’s views on variability of species, but believes they must be interpreted "spiritualisticamente".
Cross-fertilisation in the Asclepiadaceae.
Declares himself CD’s defender; but he is a "teleologist".
Sends CD three more papers.
His research confirms his faith and belief in variability of species.
Acknowledges receipt of CD’s Primula paper [J. Linn. Soc. Lond. (Bot.) 10 (1869): 437–54].
Nectar-sucking birds fertilise tropical flowers.
Writing a "Dualistic apologia for Pangenesis" [see translation in Sci. Opin. 2 (1869): 365–7, 391–3, 407–8].
Homology of the orchid rostellum.
Comments on Hermann Crüger’s paper, sent by CD, on fertilisation of orchids [J. Linn. Soc. Lond. (Bot.) 8 (1865): 127–35].
Observations on dichogamy in grasses (wheat, rye, barley).
Has not yet read CD’s reply to his article on Pangenesis [Collected papers 2: 158–60].