26 TWINING PLANTS. Chap. I. 



(Dicotyledons, continued.) 



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. 



Akt-bia quinata (Lardizabalaceae), placed in hothouse, moves 

 against the sun. 



>tauntonia latifolia (Lardizabalaceaa), placed in hothouse, 

 moves against the sun. 



H. K 



March 28, 1st circle was made in . . 3 30 

 29, 2nd . . 3 45 



Sphcerostema marmoratum (Schizandraceae) follows the sun. 



H. M. 



August 5th, 1st circle was made in about . . 24 

 5th, 2nd circle was made in . . . . 18 30 



Stephania rotunda (Menispermaceae) moves against the sun. 



H. M. 



May 27, 1st circle was made in . . .55 



30, 2nd ... 7 6 



June 2, 3rd ... 5 15 



o, 4tn ... 6 28 



Thryallis brachystacnys (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 (Dilleniacese), placed in the hothouse, fol- 

 lowed the sun, and made (May 18th) a circle in 7 hrs. 20 m. ; on 

 the 19 th, 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 



