354 



MODIFIED CIRCUMNUTATION. 



CHAP. VII 



others, but only in Eobiuia with any care. Psoraka acavlis 

 raises its three leaflets at night ; whilst Amorpha fruticosa* 

 Dalea alopecuroides, and Indigofera tinctoria depress them. 

 Duchartre f states that Tcphrosia caribcea is the sole example 

 of " folioles couchees le long du petiole et vers la base ; " but a 



Fig. 145. 



B. 



Lotus Cieticus : A, stem with leaves awake during the day ; B, with leaves 

 asleep at night. SS, stipule-like leaflets. 



similar movement occurs, as we have already seen, and shall 

 again see in other cases. Wistaria Sinensis, according to 

 Royer.J "abaisse les folioles qui par une disposition bizarre 

 sont inclinees dans la meme feuille, les sup6rieures vers le 



* Ducharte, Elements de 

 Botanique,' 1867, p. 349. 

 t Ibid., p. 347. 



J 'Ann. des Sciences, Nats. 

 Bot.' (5th series), ix. 1808. 



