With the Hop a semicircle was performed, in travelling from the light, in 1 hr. 33 m.; in travelling to the light, in 1 hr. 13 m.; difference of rate, 20 m.

Akebia quinata (Lardizabalaceæ), placed in hothouse, moves against the sun.

H. M.
March 17, 1st circle was made in 4 0 (shoot young)
18, 2nd 1 40
18, 3rd 1 30
19, 4th 1 45

Stauntonia latifolia (Lardizabalaceæ), placed in hothouse, moves against the sun.

H. M.
March 28, 1st circle was made in 3 30
29, 2nd 3 45

Sphærostemma marmoratum (Schizandraceæ) follows the sun.

H. M.
August 5th, 1st circle was made in about 24 0
5th, 2nd circle was made in 18 30

Stephania rotunda (Menispermaceæ) moves against the sun.

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 (Malpighiaceæ) 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.