354 



MODIFIED CIRCUMNUTATION. 



CuAi- VU 



others, but only in Eobinia with any care. Psoralea acaulis 

 raises its three leaflets at night ; whilst Amorpha fruticosa* 

 Dalea alopecuroidis, and Indigo/era titictoria depress them. 

 Duchartre t states that Tephrosia caribcea is the sole example 

 )f "folioles coucliees le long du petiole et vers la base;" but a 



Fig. 145. 



A. 



B. 



tolua'Ci eticus : 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 tc 

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

 Bont inclinees dans la meme feuille, les sup6rieures vers le 



* Duoliarte, ' Elements de 

 Boianique,' 1867, p. 849. 

 t Ibid., p. 347. 



% ' Ami. des Sciences, Nats. 

 Dot.' I5lh series), ix. 1868. 



