From:
Emma Wedgwood; Emma Darwin; Charles Robert Darwin
To:
William Erasmus Darwin
Date:
[20 May 1864]
Source of text:
DAR 97: A7
Summary:
CD much obliged for specimen and drawings.
Contributor:
Darwin Correspondence Project
Showing 1–9 of 9 items
CD much obliged for specimen and drawings.
CD would like to see Rhamnus, as an American species is dimorphic.
Sends red cowslip pollen to be measured.
Instructions on measuring pollen of dimorphic plants.
Thanks WED for measuring cowslip pollen. Sends dimorphic flowers.
Experiment instructions.
Discusses WED’s observations on polymorphic flowers.
CD says Meneanthes is now in flower.
Writes of dimorphic plants.
Mentions WED’s extraordinary discovery of some pollen-grains of different sizes. The observations must be followed up.