DECANDRIA.— PENTAGYNIA. 195 



than the leaves ; leaves termite, dilated-obcor- 

 date, pilose ; styles as long as the interior sta- 

 mens ; root dentate. 

 HAB. Mountains. June. U . Leav. often purple 

 beneath ; fl. large, wh. veined. 



2. O. violacea : stemless ; scape umbelliferous ; flowers 



nodding ; leaves ternate, obcordate, smooth ; seg- 

 ments of the calyx callous at the tip ; styles shorter 

 than the exterior stamens ; root squamose. 

 HAB. Rocky woods. April — June. U . Rout thick, 

 with ciliale scales ; fl. violet. 



** Caulescent. 



3. O. corniculata : pubescent ; stem prostrate ; leaves 



termite, obcordate ; umbels as long as the petioles ; 

 petals obovate ; slightly emarginate ; styles as long 

 as the interior stamens. 

 HAB. Cultivated grounds, &c. May — Sept. ©. 

 Stem 6 — 8 in. long ; fl. sin., yell. 



4. 0. stricta: hairy; stem erect, branched; leaves 



ternate, obcordate ; umbels longer than the peti- 

 oles ; petals obovate, entire ; styles as long as the 

 interior stamens. 

 HAB. Sandy fields. May— Aug. U.? Stem 4— 

 10 in. high, never creeping ; fl. sm., yell. 



)\2. PENTHORUM. Virginia Stone-crop. Semper- 



vivcc. 



P. sedoides : stem branched, angular above ; leaves 

 lanceolate, subsessile, unequally serrate ; spikes 

 simple, secund, recurved, paniculate ; seeds ellip- 

 tical. 



HAB. Wet places. July— Aug. y. . Stem 12—18 

 in. high ; leav. alt. ; pet. mostly 0. 



313. SEDUM. Stone-crop. Sempervh 



\. S te malum : creeping; leaves flat, rounded-spathu- 

 late, ternate ; cymes mostly 3-spiked ; terminal 

 flowen decandrous ; the rest octandrous. 

 B. On rocks. May. H • Stem 4— 6 IN 

 ''ire : fl. wh. ; anth. dark. 



