From:
Asa Gray
To:
Charles Robert Darwin
Date:
12 Jan 1880
Source of text:
DAR 165: 201
Summary:
Sends some cotton seeds for CD.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Asa Gray
Date:
19 Jan 1880
Source of text:
Archives of the Gray Herbarium, Harvard University (126)
Summary:
Describes the germination and early growth of Megarrhiza about which AG has been misinformed. The tubular petioles act functionally like a root.
Ipomoea did not germinate.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Asa Gray
Date:
20 Jan [1880]
Source of text:
Archives of the Gray Herbarium, Harvard University (127)
Summary:
Germination of Delphinium and Megarrhiza.
Contributor:
Darwin Correspondence Project
From:
Asa Gray
To:
Charles Robert Darwin
Date:
3 Feb 1880
Source of text:
DAR 209.6: 201
Summary:
Germination of Megarrhiza. AG’s observations at variance with CD’s.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Asa Gray
Date:
17 Feb 1880
Source of text:
Archives of the Gray Herbarium, Harvard University (128)
Summary:
Seed germination.
Strange that his plants [of Megarrhiza] behaved differently from AG’s [see 12455].
Contributor:
Darwin Correspondence Project
From:
Asa Gray
To:
Charles Robert Darwin
Date:
11 Mar 1880
Source of text:
DAR 209.6: 202
Summary:
Sends seeds of Megarrhiza and gives details of species.
Contributor:
Darwin Correspondence Project
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
From:
Charles Robert Darwin
To:
Asa Gray
Date:
24 Mar [1880]
Source of text:
Archives of the Gray Herbarium, Harvard University (130)
Summary:
Thanks for Megarrhiza seeds and information. Has been greatly interested by Megarrhiza germination.
Samuel Butler has attacked CD over Erasmus Darwin.
Contributor:
Darwin Correspondence Project
From:
Asa Gray
To:
Charles Robert Darwin
Date:
[1 Apr 1880]
Source of text:
DAR 209.6: 203
Summary:
Germination and root of Ipomoea.
Contributor:
Darwin Correspondence Project
From:
Asa Gray
To:
Charles Robert Darwin
Date:
4 Apr 1880
Source of text:
DAR 209.6: 204–6
Summary:
Encloses a letter from Volney Rattan of California.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Asa Gray
Date:
19 Apr 1880
Source of text:
University of California, Berkeley, The Bancroft Library (BANC MSS 74/78 z)
Summary:
Thanks for the letter from Volney Rattan [see 12553].
Discusses protective adaptation of seedlings from frost.
Contributor:
Darwin Correspondence Project
From:
Asa Gray
To:
Charles Robert Darwin
Date:
3 July 1880
Source of text:
DAR 186: 52
Summary:
Confirmation of CD’s idea: AG planted seeds Ipomœa pandurata. One seed has come up and its germination is same as of I. leptophylla.
Contributor:
Darwin Correspondence Project
From:
Asa Gray
To:
Charles Robert Darwin
Date:
29 July [1880]
Source of text:
DAR 186: 53
Summary:
Information about Ipomœa jalapa.
Contributor:
Darwin Correspondence Project
From:
Asa Gray
To:
Charles Robert Darwin
Date:
30 Sept 18[80]
Source of text:
DAR 165: 166
Summary:
Leaves Kew the next day for three or four months of travel.
Contributor:
Darwin Correspondence Project
