GENERA OR FASfflllf^^^^^^ 363 



(15) Trifolium — calyx tubular, five-cleft ; corolla persistent ; 



keel shorter than both wings and standard ; pod small, in- 

 dehiscent, shorter than the-^calyx, 1-2 rarely 3-4-seeded. 



9. Crassulaceous Plants. CRAssuLACEiE. 



(16) Sedum — sepals five, cohering at the base, often foliaceous ; 



petals five, spreading ; stamens ten. 



10. Saxifragaceous Plants. Saxifragace^. 



(17) Parnassia — calyx deeply five-cleft ; petals five ; stamens 



five, accompanied by five scales, each having a tuft of glo- 

 bular-headed filaments. 



11. Umbelliferous plants. Umbellifer/e. 



* Albumen solid. 



•}• Fruit ovate or elliptical, rounded or slightly compressed 

 dorsally. 



X Vittw single between the ribs. 



(18) PoBniciiluin — fruit nearly taper ; carpels with five prominent 



obtusely-keeled ridges, of which the lateral form a margin, 

 and are rather broader than the others. 



XX Vittce two or more between the ribs. 



(19) Silaus — fruit nearly taper ; carpels with five sharp winged 



equal ridges, of which the lateral form a margin ; inter- 

 stices with many vitta?. 



ft Fruit much compressed dorsally. 



(20) Angelica— fruit two-winged on each side ; carpels with 



three dorsal raised filiform ridges, and two marginal ones 

 dilated into a wing twice as broad as the rest ; interstices 

 with single vittse. 



CO /. -< 



