From:
Asa Gray
To:
Charles Robert Darwin
Date:
29 July 1862
Source of text:
DAR 165: 115
Summary:
Is observing Gymnadenia tridentata.
Has received six copies of Orchids.
Contributor:
Darwin Correspondence Project
Showing 1–2 of 2 items
Is observing Gymnadenia tridentata.
Has received six copies of Orchids.
Cares more for dimorphism now than for orchids. Today saw the three forms of Lythrum, which means there should be 18 different practicable crosses.