H. M.
May 27, 1st circle was made in 5 5
30, 2nd 7 6
June 2, 3rd 5 15
3, 4th 6 28

Thryallis brachystachys (Malpighiaceae) moves against the sun: one
shoot made a circle in 12 hrs., and another in 10 hrs. 30 m.; but the
next day, which was much colder, the first shoot took 10 hrs. to
perform only a semicircle.

Hibbertia dentata (Dilleniaceae), placed in the hothouse, followed
the sun, and made (May 18th) a circle in 7 hrs. 20 m.; on the 19th,
reversed its course, and moved against the sun, and made a circle in
7 hrs.; on the 20th, moved against the sun one-third of a circle, and
then stood still; on the 26th, followed the sun for two-thirds of a
circle, and then returned to its starting-point, taking for this
double course 11 hrs. 46 m.

Sollya Drummondii (Pittosporaceae) moves against the sun kept in
greenhouse.

H. M.
April 4, 1st circle was made in 4 25
5, 2nd 8 0 (very cold day)
6, 3rd 6 25
7, 4th 7 5

Polygonum dumetorum (Polygonaceae). This case is taken from