3 PENTANDRIA. DIOYNIA 



Jary, pedicellate ; corolla tubular-campanulate, 5-clefl ; segments se- 

 taeeously acuminate ; calyx very short. 



RAB. Woods and hill sides. Sept. Oct. <?; stem 1 Joot high., 

 rarely simple ; Jlower small, pale blue. 



0. crinita: stem terete; branches elongated, 1 -flowered; leaves Ian 

 ceolate, acute ; corolla half 4-cleft ; segments incisely ciliate. 



HAB. Wet meadows. Oct. Nov. <; stem 18 in. high, quad- 

 rang, above ; Jlower very large, blue. 



129. CUSCUTA. Dodder. 



C. americana: flowers pedunculate, umbellate, 5-cleft; stigmas capi- 

 tate ; corolla tubular-campanulate, with the border small and spread- 

 ing. 



HAB. Low grounds. June August, <v) ; stems flliform, orange, 

 parasit. twining ; Jlower in dense clusters. 



130. HEUCHERA. 



H. americana : viscidly-pubescent ; scape and leaves a little scabrous ; 



leaves with rounded lobes, dentate; teeth dilated, obtuse mucronate; 



panicle dichotomous ; calyx short, obtuse ; petals lanceolate, as long 



as the calyx. 

 HAB. Shady rocky places. June July, 9]_; leaves radical on long 



petioles ; scape 2 3 feet long ; Jlower purple. 



131. PANAX. Ginseng. 



P. trifolium: leaves ternate; leaflets subsessile; styles 3; berry tri< 



coccous ; root globose. 

 HAB. Moist woods. April May, 9^.; root tubular; stem 4 8 



inches high ; leaflets oblong-lanceolate ; flowers white, berry green 



132. CHENOPODIUM. Goose-foot. 



C. album: leaves rhomboid-ovate, erose, entire at the oase; upper 

 ones oblong, very entire ; racemes branched, somewhat leafy ; seed 

 smooth. 



HAB. Cultivated grounds, &c. July Sept. ; stem erect, 2 4 

 feet high ; leaves mealy. 



b. viride : leaves greener and more entire ; racemes more branched, a 

 little leafy. 



C. rubrum : leaves rhomboid-triangular, deeply toothed and sinuate ; 

 racemes erect, compound leafy. 



HAB. Waste places. July, (v) ; stem reddish ; leaves dark green, 

 glomerules minute. 



C. Botrys: leaves oblong, sinuate; racemes naked, much divided. 



HAB. Sandy waste places. Aug. Sept. <v) ; 1 foot high, sweet- 

 scented, viscid-pubes. ; flower distinct. 



133. SALSOLA. Salt-wort. 

 8. Kali : herbaceous, decumbent : leaves subulate, canaliculate, spin- 



