Combretum argenteum (Combretaceae) moves against the sun. Kept in
hothouse.
H. M.
{Early in morning,
when
Jan. 24, 1st circle was made in 2 55 { the temperature of
the
{ house had fallen a
{ little.
24, 2 circles each at an }
average of } 2 20
25, 4th circle was made in 2 25
Combretum purpureum revolves not quite so quickly as C. argenteum.
Loasa aurantiaca (Loasaceae). Revolutions variable in their course:
a plant which moved against the sun.
H. M.
June 20, 1st circle was made in 2 37
20, 2nd 2 13
20, 3rd 4 0
21, 4th 2 35
22, 5th 3 26
23, 6th 3 5
Another plant which followed the sun in its revolutions.
H. M.
July 11, 1st circle was made in 1 51 }
11, 2nd 1 46 } Very hot day.
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