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Rivers, Thomas in addressee 
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From:
Charles Robert Darwin
To:
Thomas Rivers
Date:
23 Dec [1862]
Source of text:
Sotheby’s (dealers) (23–4 July 1987)
Summary:

CD is collecting [for Variation] all accounts of what some call "sports" and what he calls "bud-variations". He asks whether very slight variations in fruit appear suddenly by buds, or whether only rather strongly marked varieties thus appear.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Thomas Rivers
Date:
28 Dec [1862]
Source of text:
Sotheby’s (dealers) (23–4 July 1987)
Summary:

Thanks for letter [missing] and help.

Asks about the effect said to be produced on the stock by a graft.

Health prevents accepting TR’s invitation.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Thomas Rivers
Date:
7 Jan [1863]
Source of text:
DAR 185: 81
Summary:

Thanks for parcel of shoots with several interesting cases of "bud-variation".

Asks for information about roses.

Strange that great changes in peaches are less rare than slight ones and no case seems recorded of new apples or pears or apricots by "bud-variation". "How ignorant we are!"

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
Thomas Rivers
Date:
11 Jan [1863]
Source of text:
DAR 185: 82
Summary:

Thanks for "rich and valuable" letter [missing].

Has read TR’s paper in Gardeners’ Chronicle ["Seedling fruits – plums", (1863): 27] – "a treasure to me".

Questions about seedling peaches that approach almonds.

Asks whether TR has ever observed varieties of plants growing close to other varieties for several generations without being affected by crossing.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
Thomas Rivers
Date:
15 Jan [1863]
Source of text:
DAR 185: 83
Summary:

Particularly interested in TR’s information about peaches. Accepts offer of double-flowering peach-trees.

Will build a small hothouse for experiments.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
Thomas Rivers
Date:
17 [Jan 1863]
Source of text:
John Wilson (dealer) (Catalogue 61, 21 July 1989, item 50)
Summary:

Can TR distinguish generally, always, or never, a nectarine-tree from a peach-tree before it flowers or before it fruits? He wants to quote TR’s answer.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Thomas Rivers
Date:
25 Jan [1863]
Source of text:
Maggs Brothers (dealers) (catalogue 1086)
Summary:

Has received the two trees sent by TR. Is anxious to see the fruit of the double peach.

The Origin is being sent.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Thomas Rivers
Date:
1 Feb [1863]
Source of text:
Sotheby’s (dealers) (23–4 July 1987)
Summary:

Answers TR’s query about stomata.

CD will use "weeping trees" as an example of how inexplicable the laws of inheritance are, and asks for facts on character of seedlings.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Thomas Rivers
Date:
[14 Feb 1863]
Source of text:
19th Century Shop (dealers) (catalogue 5, 1988)
Summary:

Delighted by curious case of inheritance in the weeping ash [cited in missing letter from TR] "which produced weeping seedlings and itself lost the weeping peculiarity!" Wishes he could get authentic information on the weeping elm.

What TR says of seedlings conquering each other well illustrates struggle for existence and natural selection.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Thomas Rivers
Date:
5 Mar [1863]
Source of text:
Sotheby’s (dealers) (23–4 July 1987)
Summary:

Thanks for information on weeping trees; asks for a few weeping elm seeds.

The double peach is in flower; the almond has not flowered; will beg a specimen of fruit later.

Has been unwell.

Tells of Hooker’s admiration for TR’s articles.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Thomas Rivers
Date:
[9 May 1863]
Source of text:
DAR 185: 84
Summary:

Doubts the fruit will stick on his Chinese double peach and asks TR to send him a couple when ripe.

Would like to grow seeds of the "curious monstrosity" of a wall-flower, to see whether the monstrosity is hereditary.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
Thomas Rivers
Date:
17 Aug [1863]
Source of text:
DAR 185: 85
Summary:

The almond-tree TR gave him produced no fruit, but the Chinese double peach has three. Asks for ripe almond fruits and any odd peaches, to compare the stones.

Asks about modification in fruit or foliage in any fruit-trees from being grafted,

and about seedlings of pears and wheat said to have been found in hedges and woods.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
Thomas Rivers
Date:
27 Apr [1866]
Source of text:
Remember When Auctions (dealers) (Catalogue 41, 16 March 1997)
Summary:

Asks for racemes of Cytisus purpureus-elongatus and C. adami for comparison, because Robert Caspary argues that C. adami is not a common hybrid.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Thomas Rivers
Date:
8 June [1866]
Source of text:
John Wilson (dealer) (Catalogue 63)
Summary:

Examined the Cytisus and forwarded to Caspary. The C. adami case "gets more and more perplexing", asks for report if Cytisus purpureus-elongatus produces any pods.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Thomas Rivers
Date:
13 Oct [1866]
Source of text:
DAR 185: 86
Summary:

Greatly interested in case of purple nuts but, after seeing TR’s specimens, dares not trust his case. Wishes he lived near TR or were strong enough to visit.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
Thomas Rivers
Date:
3 Apr 1872
Source of text:
John Wilson (dealer) (Catalogue 61)
Summary:

Thanks for vines and for all the information given him. Fears experiment will be more difficult than he had expected.

Contributor:
Darwin Correspondence Project