Class XVII. Order IV. 



Class XVII. DIADELPHIA. Stamens united 

 in two distinct sets. 



Order III. OCTJlNDRM. Eight stamens. 



i 



206. POLYGALA. Calyx five leaved, two of the 

 leaves wing shaped and coloured ; corolla with a 

 cylindrical banner ; legume inversely heart shaped., 

 two celled. 



Order IV. DECJINDRM. Ten stamens. 



207. GENISTA. Calyx with the upper lip two 

 toothed, the lower three toothed ; banner oblong, 

 reflected back by the pistil and stamens ; stigma 

 involute ; stamens all united. 



208. LUPINUS. Stamens all united ; anthers 

 alternately rounded and oblong ; legume coria- 

 ceous, swelling at the seeds. 



209. LATHYRUS. Style flat, villous above, 

 broader upward ; two upper segments of the calyx 

 shorter. 



210. TRIFOLIUM. Legume hardly longer than 

 the calyx, falling off entire ; flowers more or less in 

 heads. 



211. HEDYSARUM. Calyx five cleft; keel of 

 the corolla obtuse ; loment jointed, the joints com- 

 pressed and one seeded. 



212. GLYCINE. Calyx two lipped ; keel of the 

 corolla turning back the banner at the tip ; legume 

 one celled, many seetled. 



13. MEDICAGO. Legume spiral, compressed, 

 pushing the keel from the banner. 



