DIADELPHIA. 443 



with tlie decisive natural character which 

 marks the plants in question... We easily per- 

 ceive that character, and have only to ascer- 

 tain whether any papilionaceous plant we may 

 have to examine has 10 stamens, all alike se- 

 parate and distinct, in which case it belongs 

 to the 10th Class, or whether they are in any 

 way combined, which refers it to the 17th. 



** Stigma dozcny, widiout the character 

 of the preceding section, for this and all the 

 followm ; are truly diadelphous. Very nice, 

 but accurate, marks distinguish the genera, 

 which are sufficiently natural. The style 

 and stigma afford the discriminative charac- 

 teristics oiOrobus, £.115:3; Pisum, t. 1046; 

 Lathyrus, t. 670, 1 108; Vicia, t. 334, 481— 

 483; and no less decisively in Ervum^ t. 9/0, 

 1223, which last genus, notwithstanding the 

 remark in Jussieu 360, " stigma non barbae 

 turn" (taken probably from no genuine spe- 

 cies), most evidently belongs to this section, 

 us was first remarked m the Flora Briiannica; 

 and it is clearly distinguished from all the 

 other genera of the section by the capitate 

 stigma hairy all over ; nor is any genus in 

 the whole Class more natural, when the hU 



