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Asks WED to send some specimens [of Lythrum?].
[Letter from Emma Darwin to WED on verso.]
Can CCB get Lythrum hyssopifolium seeds?
Hottonia splendidly dimorphic.
Hive-bees and clover.
Exciting work on trimorphism in Lythrum salicaria. Requests Lythraceae from Kew.
Wants to know of plants other than Melastoma and Lythrum with coloured pollen.
CD was in error about bees’ behaviour at clover.
Sends flowers with anthers of two colours.
Suggests CD try to get Lythrum hyssopifolia from France.
Dimorphic flowers.
Differences between newly opened and older orchids.
Flowers of Spiranthes and Goodyera.
Finds JL’s facts on the diving insect that remains four hours under water new and interesting [see "On two aquatic Hymenoptera", Trans. Linn. Soc. Lond. 24 (1864): 135–42].
On ACR’s paper on glacial origin of lakes. CD thinks it is correct. Suggests further investigation to corroborate it. His only doubt has to do with areas of great activity.
On ACR’s view of cause of glacial period: CD did battle with Hooker on same point.
T. F. Jamieson has smashed CD’s Glen Roy marine theory in splendid style.
Acknowledges CD’s approval of his review of Origin in Revue Germanique [16 (1861): 523–59; 17 (1861): 232–63]. Praises natural selection;
criticises C.-A. Royer’s [French] translation.
Asks for advice on where a local chemist can send his brother’s meteorological observations from Missouri.
Gives advice as to whether certain meteorological observations would be worth making.
Has passed the time by dissecting flowers of Cruciferae. Sends results, with diagrams, to JDH.
He collected Splachnum luteum north of Spitzbergen 40 years ago. Now an acquaintance has brought the plant back from the identical spot.
Walter White [Asst.-Sec. and Librarian, Royal Society] has introduced EC to Richard Kippist of the Linnean Society, who has made little progress toward accepting Origin.
Has given directions to save seeds of Lythrum hyssopifolium.
CD’s diagram of Lythrum salicaria is very remarkable. [See Collected papers 2: 107.]
Asks DO to name enclosed Lythrum received from CD’s sister-in-law [Sarah Elizabeth Wedgwood]
Son [Leonard] ill with scarlet fever. Also Mrs Darwin.
Intends to give up work on Drosera until Variation is done.
Hopes to have Lythrum hyssopifolium seeds to send soon.
BAAS is meeting in Cambridge and all eminent Cambridge men are wanted present. If his health were reliable, CD would be in chair of Botany and Zoology Section.