198 CLASS XI. ORDER I. 



have ripened, they are of a fine purple. Leaves scattered, pe- 

 tiolate, ovate-oblong, smooth on both sides, ribbed underneath, 

 entire, acute. The flowers grow in long pedunculated racemes 

 opposite to leaves. Peduncles nearly smooth, angular, ascend- 

 ing. Pedicels divaricated, sometimes branched, green, white 

 or purple, furnished with a small linear bractate at base, and two 

 others in the middle. Calyx none. Corolla resembling a calyx, 

 whitish, consisting of five round-ovate, concave, incurving petals. 

 Stamens fen, rather shorter than the petals, with white, round- 

 ish, two lobed anthers. Germ greenish, round, depressed, ten 

 furrowed. Styles ten, short, recurved. The flowers are suc- 

 ceeded by long clusters of dark purple berries, almost black, 

 depressed or flattened, and marked with ten furrows on the 

 sides. — Road sides. — July, August. — Perennial. 

 The root is a violent emetic. 



Class XI. DODECANDRIA. Twelve stamens. 

 Order I. 3IONOGYNIA. One style. 



209. AsARUM. Calyx three cleft, sttperior ; corolla 

 none ; capsule six celled. 



210. PoRTULACA. Calyx two cleft; corolla five 

 petalled ; capstile one celled, opening transversely. 



211. Lythrum. Calyx twelve toothed; petals six, 

 inserted into the calyx; capsule two celled, many 

 seeded. 



Order TI. DIGYNIA. Two styles. 



212. Agrimonia. Calyx five toothed, invested with 

 an outer one; petals five, itiserted in the calyx; seeds 

 two in the bottom of the calyx. 



Order III. TRIGYNIA. Three styles. 



213. Euphorbia. Calyx inflated, inferior; petals 

 or nectaries four or five, standing on the calyx; cap- 

 sule three lobed, supported by a pedicel. 



