Cuap. III. LEGUMINOS. 113 
observed the completion of an ellipse in 1 hr. 20 m.; 
and I saw one completed in 1 hr.30 m. The direction 
followed is variable, either with or against the sun. 
Dutrochet asserts that the petioles of the leaves 
Side of room with window. 
Fig. 6. 
Diagram showing the movement of the upper internode of the common Pea, traced on 
a hemispherical glass, and transferred to paper; reduced one-half in size. (Aug. 1st.) 
* 
No. H. M. No. H. M. No. H. M. 
1. . . . 8 46 A.M, Ds ee wl ay SRPMS | bbs. ee sa ge SB: 
Bhs ga say 10 O05 WON cs x. REDE, sy Ve ee B50 45 
Bis Ge ee DO it sw x 3 SOs 1S. 6 Se es OB Ls 
Shy. Re er eT as 12,0 s ws (330% U9! eae ees 
Be ee ee 1D Pare SE oo os ee BRB) ay. 20:6 ow oe as OT 4B 5s 
6. . « .1230 , 4... . 440, 21. 6. «6 « 830 4, 
Ue Se 10) 3 WG: es seen ee 1B OB 5 O20 e 6 a OLD 
8. 130 , 
spontaneously revolve, as well as the young inter- 
nodes and tendrils; but he does not say that he 
6 
