Prev | Current Page 38 | Next

Darwin, Charles, 1809-1882

"The Movements and Habits of Climbing Plants"

M.
Dec. 26, 1st circle was made in 5 0
27, 2nd 5 40
Tamus communis (Dioscoreaceae). A young shoot from a tuber in a pot
placed in the greenhouse: follows the sun.
H. M.
July, 7, 1st circle was made in 3 10
7, 2nd 2 38
8, 3rd 3 5
8, 4th 2 56
8, 5th 2 30
8, 6th 2 30
Lapagerea rosea (Philesiaceae), in greenhouse, follows the sun.
H. M.
March 9, 1st circle was made in 26 15 (shoot young)
10, semicircle 8 15
11, 2nd circle 11 0
12, 3rd 15 30
13, 4th 14 15
16, 5th 8 40 when placed in the
hothouse; but the next day the shoot remained stationary.
Roxburghia viridiflora (Roxburghiaceae) moves against the sun; it
completed a circle in about 24 hours.
(DICOTYLEDONS.)
Humulus Lupulus (Urticaceae) follows the sun.


Pages:
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50