From:
Charles Robert Darwin
To:
Asa Gray
Date:
20 Mar [1880]
Source of text:
Archives of the Gray Herbarium, Harvard University (Walter Deane Autograph Collection)
Summary:
Asks AG to confirm whether Ipomoea leptophylla "makes a great tuber as big as a mangel-wurzel".
Petioles of Cotyledons behave partly like those of Megarrhiza.
Contributor:
Darwin Correspondence Project