POLYANDRIA.— DI-PENTAGYNIA. 219 



lals ; division of the leaves 3-parted, rather obtuse, 

 incisely toothed. 

 HAB. Rocks. April— May. U- Fl. pend., scarl. 

 ext., yell, int.; Jr. erect. 



352. CIMICIFUGA. Black Snake-root. Ranunculaceo:. 



C. racemosa : leaves ternately decompound ; leaflets 

 ovate-oblong, incised and dentate ; racemes pani- 

 culate, elongated ; flowers with one style ; capsule 

 ovate. 



HAB. Rocky woods. June— July. U . Stem 4— 

 2 ft. high; ft. wk.; pet. 0. 



353. ASCYRUM. St. Peter's-wort. Hypericinece. 



1. A. Crux ■- Andrew : stems numerous, assurgent, suffru- 



ticose ; leaves lanceolate-oblong, obtuse ; interior- 

 leaflets of the calyx suborbicular ; pedicels bibrac- 

 teate ; flowers sessile, with 2 styles. 

 HAB. Pine barrens. July— Aug. Stems 6 — 3 in. 

 highfl. num.. yellow ; pet. narrow. 



2. A. stans : stem fruticose, winged, straight ; leaves 



ovate-elliptical, obtuse, glaucous ; interior leaflets 

 of the calyx cordate, orbicular ; stamens united 

 at the base, styles 2. 

 HAB. Pine barrens. Aug. Stem lft. high ; branch, 

 straight ; fl. yellow. 



354. HYPERICUM. St. John's- wort. Hypericinece. 



* Styles 5 ; Stam. numerous, indefinite ; flowers yellow . 



1. H. ascyroides : smooth; stem quadrangular, winged 

 at the base ; leaves sessile, oblong-lanceolate, 

 acute ; calyx ovate-lanceolate ; styles as long as 

 the stamens. 

 HAB. Low grounds. July. Stem 2 ft. high, simp. 

 or branch. ; fl. and, leav. lame. 

 :. II. Kaimianum : frutesccnt, much branched ; branches 

 quadrangular ; leaves linear-lanceolate ; flowers 

 3 — 7, in a terminal corymb ; calyx lanceolate, ra- 

 ther obtuse. 

 HAB. Wet rocks. August. Stem 2 — 1 ft. high , 

 num.. fascic.f of en revol. 



