From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
17 Jan [1857]
Source of text:
DAR 114: 188
Summary:
CD will advise W. F. Daniell on collecting.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
20 Jan [1857]
Source of text:
DAR 114: 189
Summary:
CD will advise Daniell not to apply for Royal Society grant.
CD’s experiment: fish fed seeds, which germinated when voided.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
[after 20 Jan 1857]
Source of text:
DAR 114: 190
Summary:
CD finds Alphonse de Candolle very useful, though JDH has low opinion.
CD argues for accidental introductions explaining some odd distributions, e.g., New Zealand vs Australian plants.
CD’s method.
Diverging affinities in isolated genera.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
15 Mar [1857]
Source of text:
DAR 114: 193
Summary:
Separation of sexes in trees [U. S.].
Do plants offer positive evidence for "continuous land" theory?
Protean genera.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
[21 Mar 1857]
Source of text:
DAR 114: 192a
Summary:
Ranges of species in large vs small genera: Asa Gray’s compilation fits CD’s expectation.
CD studies seedling mortality in his weed garden.
JDH’s work on Indian flora.
Contributor:
Darwin Correspondence Project
From:
John Tyndall
To:
Joseph Dalton Hooker
Date:
Friday night
Source of text:
MS JT/1/TYP/8/2543, RI
Summary:
No summary available.
Contributor:
Tyndall Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
8 Apr [1857]
Source of text:
DAR 114: 191
Summary:
Independence of variation from climate shown by several plant genera; CD asks for confirmation.
Progressing with book [Natural selection].
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
12 Apr [1857]
Source of text:
DAR 114: 192
Summary:
Thanks JDH for response on variation. Studying variations that seem correlated with environment, e.g., north vs south, ascending mountains.
CD’s weed garden: observations on slugs killing seedlings.
Seed-salting. One-seventh of the plants of any country could be transported 924 miles by sea and would germinate.
Contributor:
Darwin Correspondence Project
From:
John Tyndall
To:
Joseph Dalton Hooker
Date:
28th, April, 1857.
Source of text:
MS JT/1/TYP/8/2546, RI
Summary:
No summary available.
Contributor:
Tyndall Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
[29 Apr 1857]
Source of text:
DAR 114: 194
Summary:
Curative power of hydropathy.
General hairiness of alpine plants questioned: direct environmental effect.
CD has long felt JDH is too hard on bad observers.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
[2 May 1857]
Source of text:
DAR 114: 195
Summary:
JDH has shaved the hair off the alpine plant.
CD apologises for his criticism.
Apparent but false relations of plant structure to climate: heath-like foliage of all Cape of Good Hope plants.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
[3 May 1857]
Source of text:
DAR 114: 196
Summary:
JDH’s last letter demolishes woolly alpine plant theory.
Correlation of apetalous flowers and cold climate.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
16 [May 1857]
Source of text:
DAR 114: 197
Summary:
Asks JDH’s opinion, and botanical evidence, on important law: parts that are highly developed in comparison to other allied species are very variable.
Interest in hairiness of alpine plants revived by reading A. Moquin-Tandon [Éléments de tératologie végétale (1841)]; correlation with dryness. CD seeks interpretation independent of direct environmental effect.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
[June 1857]
Source of text:
DAR 114: 222b
Summary:
Request for Floras of Pacific Islands and Greenland.
Individual variation.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
2 June [1857]
Source of text:
DAR 114: 199
Summary:
Qualifications of John Lindley, Huxley, Albany Hancock, Joseph Prestwich, J. C. Ross, and Francis Beaufort for Royal Medal.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
3 June [1857]
Source of text:
DAR 114: 200
Summary:
"Law" [see 2092] correlating variability and abnormal development not confirmed by JDH for plants.
CD studies struggle for existence in his weed garden.
Scotch fir observed at Moor Park.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
5 June [1857]
Source of text:
DAR 114: 201
Summary:
Royal Society medals.
Correlation of variability and abnormal development is G. R. Waterhouse’s law. Relation of this law to polymorphism.
Colouring and marks of ancestral horse deduced from facts observed in pigeons.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
25 June [1857]
Source of text:
DAR 114: 205
Summary:
Seedling leaves of gorse look like clover leaves. This is like young lions being striped. Thus, laws of animal embryology apply to plants.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
1 July [1857]
Source of text:
DAR 114: 198
Summary:
George Henslow’s curtness to JDH: "an attack of religion".
Embryonic leaves. Adaptive functions and taxonomic significance of cotyledons.
Asa Gray. Separation of sexes in U. S. trees.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
5 July [1857]
Source of text:
DAR 114: 203
Summary:
Does JDH’s Wahlenbergia confirm CD’s law? Variations of one species assume the character of a distinct but allied species or genus.
Seed-salting: old ones float and germinate.
Owen’s "grand paper" [? J. Proc. Linn. Soc. Lond. (Zool.) 2 (1858): 1–37].
Contributor:
Darwin Correspondence Project
