©xALis. DECANDRIA. PEl^TAGYNIA. 46^ 



times diffuse, 4 — 10 inches high. Leaves deeply obcordate, 

 hairy on the margin and under surface. l/mAf/« axillary, about 

 4-flo\vered. Petals sometimes eroded, twice as long as the 

 calyx. Styles spreading, short, hairy; stigmas simple. 

 Hab. Ill sandy fields and cultivated grounds. May — August. 



310. PENTHORUM. L. 



Calyx 5— 10-cleft. Petals 5 or 0. Capsule 5-pointed, 

 5-celltcl ; cells dividing transversely, manv-seeded. 

 Gen. pi. 190, jY u 1 1. Gen. \. \^. 292. 'Juss. p. 

 308. Lam. III. t. 390. f. 2. Nat. Ord. Semper- 

 Viv^E Juss. Firginmn Stone-crop^ 



P. sedoides L. : stem branched, angular above ; leaves 

 lanceolate, subsessile, unequally serrate ; spikes simple, se- 

 cuiid, recurved, paniculate ; seeds elliptical. fV i lid. Spec, 

 II. p. 770. M i c L FL I. p. 24 1 . Pursh Fl. I. p. 323. 

 Big, Bo?t.^.\\\. Elliott Sk.l.^.blZ. Walt. Car. 

 p,241. G r on. Virg. 51. A c t. Ups. \1U.^. 11. i. 2. 



Root perennial. Stem a foot or 18 inches high, erect, branched, 

 terete below, angular above, smooth, except on the angles. 

 Leaves alternate, on short petioles, 4 — 6 inches long, and 

 about an inch broad, very smooth, acutely and somewhat 

 doubly serrate. Flowers in terminal racemes or spikes, which 

 are paniculate or cymose ; ficdiuicles and pedicels pubescent. 

 Calyx spreading ; segments ovate, acute, denticulate. Petals 

 generally wanting. Stamens exserted ; Jilaments subulate, 

 smooth, inserted at the base of the germen; anthers terminal, 

 ovate, 2-ce!led, red. Styles very short, spreading, persistent; 

 stigmas simple. Cafisule 5-celled, superior, appearing like 5 

 united follicles. Seeds very numerous, elliptical, acute at one 

 end, transversely accumulated, scabrous. 



Hab. In ditches and overflowed places. July — August. 



311. SEDUM. L. 



Calyx 5-deft. Petals 5. Capsules 5, with a necta- 

 riferous scale at the base of each. Gen. pi 789. 

 Nutt. Gen. I. p. 292. Juss. p. 307. Lain. III. 

 t. 390. Nat. Ord. SEMPERViViE ./«^.y. Stone-crop. 



1. S. ttrnalum Mi c h. : creeping; leaves flat, rounded- 

 spathulate, ternate ; cymes mostly S-spilced ; terminal flowers 

 decandrous; the rest octandrous. Mich. Fl. I. p. 277. 

 Pursh Fl. I. p. 324. Elliott Sk. I. p. 529. S. por- 

 tulaccoides Muhl. Caf. p. 46. S. saxatilis, floribus albij, 

 fcc. Gron. ViVg. 891. 



