From:
Isaac Anderson; Isaac Anderson Henry
To:
Charles Robert Darwin
Date:
17 Jan 1863
Source of text:
DAR 159: 60
Summary:
Thanks for "Two forms of Primula" [Collected papers 2: 45–63].
Praise for Orchids.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Isaac Anderson; Isaac Anderson Henry
Date:
20 Jan [1863]
Source of text:
DAR 145: 1
Summary:
Discusses hybrid strawberry–raspberry
and his research on Primula and Linum.
Suggests breeding experiments.
Doubtful about Donald Beaton’s statement about Pelargonium.
Mentions experiments on peloric flowers.
Contributor:
Darwin Correspondence Project
From:
Isaac Anderson; Isaac Anderson Henry
To:
Charles Robert Darwin
Date:
26–7 Jan 1863
Source of text:
DAR 159: 61
Summary:
Has done extensive plant hybridisation: strawberry, raspberry, Rhododendron.
Contributor:
Darwin Correspondence Project
From:
Isaac Anderson; Isaac Anderson Henry
To:
Charles Robert Darwin
Date:
31 Jan 1863
Source of text:
DAR 159: 62
Summary:
Thanks for CD’s experimental suggestions. Will count seeds of hybrid crosses.
Requests suggestions for Edinburgh Botanical Society expedition to British Columbia.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Isaac Anderson; Isaac Anderson Henry
Date:
2 Feb [1863]
Source of text:
DAR 145: 2
Summary:
Suggests collecting seeds at different heights from British Columbia.
Describes experiment on seeds from short anthers.
C. V. Naudin writes he has discovered cause of hybrid sterility.
Contributor:
Darwin Correspondence Project
From:
Isaac Anderson; Isaac Anderson Henry
To:
Charles Robert Darwin
Date:
14 Feb 1863
Source of text:
DAR 159: 63
Summary:
On holiday; cannot answer CD’s questions.
Contributor:
Darwin Correspondence Project
From:
Isaac Anderson; Isaac Anderson Henry
To:
Charles Robert Darwin
Date:
17 Apr 1863
Source of text:
DAR 159: 64
Summary:
Has done Primula polyanthus experiment CD suggested.
Contributor:
Darwin Correspondence Project
From:
Isaac Anderson; Isaac Anderson Henry
To:
Charles Robert Darwin
Date:
24 Apr 1863
Source of text:
DAR 159: 65
Summary:
Bryanthus erectus, said by [D. D.?] Cunningham to be a hybrid, has been found wild in North America.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Isaac Anderson; Isaac Anderson Henry
Date:
2 May [1863]
Source of text:
DAR 145: 3
Summary:
Convinced length of stamens has no relation to powers of fertilisation in many plants.
Suggests experiments on Pelargonium and Phlox.
Advises about use of microscope.
Contributor:
Darwin Correspondence Project
From:
Isaac Anderson; Isaac Anderson Henry
To:
Charles Robert Darwin
Date:
7 May 1863
Source of text:
DAR 159: 66
Summary:
CD is right on heterostyly in Primula. High praise. Has confirmed it with Primula polyanthus.
Contributor:
Darwin Correspondence Project
From:
Isaac Anderson; Isaac Anderson Henry
To:
Charles Robert Darwin
Date:
16 May 1863
Source of text:
DAR 110: 24
Summary:
Sends sprig of Linum luteum corymbiflorum [?]. CD is right about its being dimorphic.
Will try some odd strawberry crosses this summer.
Contributor:
Darwin Correspondence Project