RECORD: Darwin, C. R. & Francis Darwin. March. Oxalis ortegesii — Movement of flower stalk. CUL-DAR209.3.245. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Prepared and edited by John van Wyhe 6.2025. RN2
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-DAR209.4 contains for Darwin's book Movement in plants (1880).
245
Oxalis ortegesii — Movement of flower stalk
Big specimen with [illeg] lens
March 5
3 pm 62º above Horizon
5 pm 62
10 pm 65
March 6
11. 35am 62
3 20 pm 65
March 7
8. 30 am = 63º above
9 47 ---- 61
10 33 --- 58
11 18 ---- 57
12 25 pm — 55 — Lowest
2 5 ---- 62
2 55 ---- 62
3 59 ---- 63
6 15 ---- 65
8 30 pm 62 7º higher
Used
March 8
8. 30 Am – 63º above H
10 45 --- 61
12 30 --- 58
3 40 --- 57 — Lowest) lowest.
8 15 pm 60
16th 7º. a.m. 156 or 34º 24º
8 --------- 12º
8º. 20' 10º½
8º. 45' 8½
9 . 3 ' 8½
9º. 37' --Lowest- 7½
10º. 24' ---------- 11º
11 18' ----------- 25½
11º. 42 ---------- 32º
12. 1. ---------- 32º
12. 38' -------------31º
1º. 6' ----------- 23½
1.‒ 39 ---Lowest-- 18½
1. 57' ---Lowest-- 18½
2. 23 ------------- 19
3º 21 ------------ 20½
over Back of Pot
Flower stalk of Bryophyte Oxalis sensitiva
March 7
10 Am -- 83º above H
11.10 ---- 90 Vertical
3 57 pm. 77
6.15 pm 60
M 12. 0 E
March 8
8. 30 pm 57º above
10. 45 — 75
12. 30 pm 77
2. 30 — 75
7 pm 48º
77º
M E
March 15 Hor. stalk are older.
at 7º P.m only much more nearly horizontal
X at 7º 30' Pm 15º above horizon
9º. – X 5º ado do
10. 40' P. 25 do. do
Mach 16th 2º. 45 a.m 41º above Horizon– in middle of night
6. 35 a.m 43º above do
8º a.m 25 above Horizon.
Marc 16th continued cold day
9º. 15' A.m. 26º above Horizon
10 11 15º above
10 25' 20º above
11º 3 15º above
11. 43 17
12. 13 23º X Cold
2. 10 — 7 on protract = 9 above 9' above
2. 20 7.
2 43 — 6
5.pm — 0
245v
March 17th
3º . 50 -- 20½
4º. 40' 23º
5º 18' 24º
5º. 46.' 24º
7º 0' --- 26½
8: 23" --- 46º
9' ------- 66º
9. 57' 69º
10 20 Highest 78º
Study. chimney Piece
Add 5º to all these figures for
Protractor not quit level.
March 18'
6º‒ 50' ---- 64º
7º. 55' 50º
8.º 36' 50º
9. 15 – Low 51
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 4 February, 2026