CLASS XVII. 
DIADELPHIA. 
HEXANDRIA. 
FtJMARIA. Cal. two leaves: Bloss. gaping, gibbous at the 
base and containing honey : each filament bearing three 
anthers. 
OCTANDRlAo 
POLYG'ALA. Tw'o segments of the calyx like wings : Bloss. 
standard cylindrical: Stamens all connected at the base : 
Caps, inversely heart-shaped, two-celled. 
DECANDRIA. 
(1) Stamens all united. 
SPAR'TKJM. Filaments adhering to the germen: Summit 
hairy, attached to the upper side of the style. 
GENIS'TA. Pistil depressing the keel: Summit terminal, 
somewhat capitate. 
ANTHYL'LIS. Cup swollen and turgid, inclosing the legumen. 
U'LEX. Calyx two-leaved : Legumen scarcely longer than the 
calyx. 
ONOXIS. Legumen diamond-shaped, sessile: Standard scored. 
(2) Summit downy; Filaments nine united , one distinct. 
O'RQBUS. Style slender, nearly cylindrical: ‘Stigma pubescent 
on the upper side. 
