DIADELPniA. 443 



\^Uh the decisive natural ciiaractcr Mhich 

 marks the plants in question. \\\^ easily per- 

 ceive that .character, and have only to ascer- 

 tain whether any papilionaceous plant we may 

 have to examine has 10 stamens, all aUke 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 17tli. 



** Stigma (Joziinj, without the character 

 of the preceding section, for this and all the 

 following are truly diadelphous. Very nice, 

 but accurate, marks distinguish the genera, 

 which are suOiciently natural. The style 

 and stia'i"na afford the discriminative charac- 

 teristics of Orohus, t. 1153 ; Pisiivi, t. 1046; 

 Laihifnis,t.6lO, 1108; Vicia, ^ 334, 481 — 

 483 ; and no less decisively in lirvu?rt^ f. 970, 

 1223, which last genus, notwithstanding the 

 remark in Jussieu 360, *' .stjs-ma non barba^ 

 tiuu" (taken probably from no genuine spe- 

 cies,) most evidently belongs to this section, 

 as was first remarked in the Flora Britanmca ; 

 and it is clearly distinguished from all the 

 other genera of the section by the copiiafc 

 stigma hain/ all o-cer ; nor is an}^ genus iri 

 the whole Class more naturjl, wlicn the hi- 



