PENTANDRIA.— MONOGYNIA. 1 19 



HAB. Mountains. May. U . Erect, 6—8 in. high; 

 leav. acum. ; fi. yell. ; inf. pet. large, sub-3 lobed. 

 20. V. tenella: stem triquetrous ; leaves rotund-spathu- 

 late ; superior ones lanceolate, entire ; stipules 

 large, pinnatifid. 

 HAB. Dry rocky hills. May. 0. Stem 2—3 in. 

 high ; rad. leav. petiolate ; fi. small, bluish-zvhiie. 

 fl. V. concolor : stem straight, erect ; leaves cuneate- 

 lanceolate ; stipules lanceolate entire ; peduncles 

 very short, 2— 3-flowered ; petals connivent, 

 emarginate ; spur 0. 

 HAB. Wet shady rocks. April — May. U . Stem 

 simp., ang., 1 ft. high ; leav. erect ; fi greenish, 

 small. 



176. CLAYTONIA. Portulaceoz. 



C. virginica: leaves linear-lanceolate; petals obo- 



vate, retuse ; leaves of the calyx somewhat acute ; 



root tuberous. 

 HAB. Moist woods. April — May. U • Smooth, erect 



or procumb. ; leav. few, oppos. ; fi. racem., rose-col. 

 (i. latifolia : leaves ovate-lanceolate ; leaflets of the 



calyx obtuse. 

 HAB. Mountainous districts. 



177. CEANOTHUS. New-Jersey tea. Rhamni. 

 1. C. americanus: leaves ovate-oblong, serrate, triply- 

 nerved, tomentose-pubescent beneath ; panicles 

 axillary, on long peduncles. 

 HAB. Woods and copses. July. V Root large, red ; 

 s t em 2 — 4 ft. high; leav. alt. ; fi. minute, white. 

 I. C. herbaceus : leaves oval, subserrulate, smooth; 

 panicle thyrsoid, axillary and terminal. 

 HAB. Rocky banks. Suffruticose; leaves as large a* 

 in the preceding. 



178. EUONYMUS. Spindle-tree. Rhamni. 



\ . E. americanus : branches smooth, quadrangular ; 

 leaves subsessile, elliptical-lanceolate, smooth, acute, 

 serrate ; peduncles 3-flowered, terete ; flowers 5- 

 cleft; fruit verrucose-muricate. 

 HAB. Shady woods. June. Shrub 3— 4 ft. high ; 

 bran, oppos.. spread. : fi. a.rill., greenish: fnri: 

 tcarlet. 



