DIADELPHIA. 155 



III. DECANDRIA. 



* Stamens all connected at the base, the tube mostly split along its 

 upper side* 



214. SPARTIUM. Filaments all forming a simple tube; stigma 



lateral, linear, hairy ; legume flat. 



215. GENISTA. Filaments upwards in 2 sets; stigma terminal, 



somewhat capitate ; legume turgid ; pistil depressing the 

 keel ; standard reflexed. 



216. ULEX. Calyx of 2 leaves, nearly as long as the legume. 



218. ANTHYLLIS. Calyx inflated, including the legume. (Flowers 



capitate.) 



217- ONONIS. Calyx in 5 deep segments; standard striated; 

 legume rhomboid, sessile. 



* * Stigma or style downy ; without the cJmracter of the former 

 section. 



219. OROBUS. Style linear, nearly cylindrical ; stigma along the 



upper side downy. 



220. LATHYRUS. Style flattened vertically; stigma along the 



dilated upper half of the style downy. 



221. VICIA. Style bearded in front below the stigma, 



222. ERVUM. Stigma capitate, all over downy. 



* * Legume more or less perfectly 2-celled ; without the former 

 characters. 



223. ASTRAGALUS. Legume tumid, of 2 longitudinal cells. 



* * * * Legume with scarcely more than 1 seed ; without the former 

 characters. 



224. TRIFOLIUM. Legume hardly longer than the calyx, with 1 



seed, rarely more, deciduous, not bursting. 



