RECORD: Darwin, C. R. [ny].04.08-15. Trifolium (various). CUL-DAR209.9.57. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 7.2022. RN1
NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin.
The volume CUL-DAR209.9 contains materials for Darwin's book Movement in plants (1880).
[57]
Tr Pannonicum; first true leaf sometime single [uniflora] sometime trifoliate; sometime unifoliate, with a leaflet on one side partially or wholly separated, so gradations, we thus see a plant losing what may be called its embryological characters, those of the adult state encroaching on & replacing them. — One leaf consisted of terminal, with a united lateral lobe & on other side a free lobe
Embryology
Ap. 15. Tr. incantum (1 young seedling) cots much raised— vertical, but not closed see below
(Leguminosæ)
[57v]
April 8' 1879 Trifolium— Sleep of Cotyledons 10° P.m.
Tr. Perrymondi: cots much raised, but not enough to be called sleep
Ap. 15th cots hardy at all raised— young true leaves forming
Tr. Hybridum (only a seedling) perhaps not true — no signs of sleep.
Tr. Ochroleucum — no signs of sleep
(add resupinatum)
Tr. glomeratum. much raised but not asleep. ✓
Ap. 15' first true leaves appearing— cots hardly raised—
Tr. striatum moderately raised — not asleep.
Ap 15' Cots very much raised, but hardy enough to be called; raised about 45° or 50° ✓
Tr. fragiferum — moderately raised. not asleep
Tr. procumbens not asleep— very slightly if at all raised.
April 9th
Tr. patens not asleep. 10° P.m
T. minus do. do
T. arvense do.— do
10th
Tr. leucanthemum 1 seedling 2 Pins asleep— 2 others 1 Pin not asleep.
Ap. 15. 2 Pins cots closed & vertical: one with 1 Pin vertical, but not closed— rank amongst sleepers
Tr. auranticum only 2 seedlings & so doubtful not asleep
Tr. rubrescens 2 seedlings (I have no doubt true) not asleep.
(over)
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 25 September, 2022