From:
Charles Robert Darwin
To:
William Erasmus Darwin
Date:
[14–17 May 1864]
Source of text:
DAR 97: A3
Summary:
Instructions on measuring pollen of dimorphic plants.
Contributor:
Darwin Correspondence Project
Showing 1–8 of 8 items
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.
Describes difference between Pulmonaria flowers; wishes to know whether it is general.
Writes of dimorphic plants.
Mentions WED’s extraordinary discovery of some pollen-grains of different sizes. The observations must be followed up.
CD much obliged for specimen and drawings.