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To Asa Gray   8 June [1860]


Discusses recent reviews of Origin and has made a note on Owen’s [see 2737].

Has become interested in the floral structures of orchids.

Notes his recent observations on Primula; believes he has found male and female forms.

Author:  Charles Robert Darwin
Addressee:  Asa Gray
Date:  8 June [1860]
Classmark:  Gray Herbarium of Harvard University (40)
Letter no:  DCP-LETT-2825

From J. D. Hooker   8 June 1860



Glad to hear good news of Etty [Henrietta Darwin].

CD’s observations on Scaevola are capital. The indusium collects the pollen and is the homologue of the pollen-collecting hairs of Campanula. A boat-shaped organ forms a second indusium, the inside base of which forms the stigmatic surface. The latter later protrudes as horns, forming the stigma.

Describes W. H. Harvey’s scientific career and thinks his letter interesting. Agrees with Harvey that the primary agency of natural selection is as great a mystery as ever. [Response to 2823.]

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  8 June 1860
Classmark:  DAR 157a
Letter no:  DCP-LETT-2825A