272 CLASS xvr. order i. 



Si/n. Dentarta concatenata. Mx. 



Root formed of a string of tubers. Stem about a foot high, 

 giving off three leaves near together at its upper part. These 

 are deeply divided into three segments or leafets which are ob- 

 long, divergent, cut and toothed. Flowers large, purplish, ia a 

 terminal raceme. Woods, Hampshire. — June. — Perennial. 



Dentaria dipiiylla. Mx. Pepper root. 



Leaves of the stem two, each ternately divided ; 

 leafets ovate-obloiig, unequally cut and toothed; root 

 toothed. 



Root (rhizoma) creeping, branched, and covered with project- 

 ing teeth, acrid to the taste. Flowers purplish white. — Amherst, 

 Prof. Hitchcock. — Perennial. 



297. CLEOME. 

 Cleome dodecandra. L. Clcome. 



Leaves ternate, elliptical ; flowers axillary, solitary, 

 dodecandrous. 



A viscid, strong scented plant. Stem branching, pubescent 

 and glutinous. Leaves petioled, ternate ; leafets oblong-spatu- 

 late, smooth. Flowers racemed, Avhite, with ten or a dozen 

 stamens. Pods lanceolate, turgid, hairy and viscid, two valved 

 without a dissepiment. — On the shores of lake Champlain, near 

 Burlington. — July. — Annual. 



Class XVL MONADELPHIA. Stamens united by 

 their filaments into one 'parcel. 



Order I. TRIANDRIA. Three stamens. 



298. SiSYRiNCHiuM. Spathe two leaved; petals six, 

 nearly equal; capsule inferior, three celled. 



Order V. DECANDRIA. Ten stamens. 



299. Geranium. Calyx five leaved ; petals five, 



