41*2 STNGENESIA SUPERFLUA. 



HAB. Fields and woods. Aug. 1\.; stem 12 feet high, woolly; 

 Jl. large, few, wh. 



G. uliginosum : stem much branched ; branches spreading, woolly 

 leaves linear-lanceolate ; flowers in terminal, leafy crowded heads. 



HAB. Low grounds, &c. Aug. ; stem low, spreading; calyx 

 yellowish. 



G. purpureum: herbaceous; leaves hnear-spathulate, tomentose be- 

 neath; stem erect, simple; flowers sessile, glomerate, axillary, 

 terminal. 



HAB. Fields. June, Tj. ; stolonif. ; stem 812 in. high ; Jlowers 

 purplish. 



G. dfcurrens: stem erect, much branched; leaves linear-lanceolate, 

 very acute, decurrent, white and woolly beneath, naked above ; flow- 

 ers in dense, terminal, roundish clusters. 



HAB. Hills and fields. Aug. Tj.; stem 2 feet high; leaves green 

 above ; Jl. yell. 



341. ERIGERON. Flea-bane. 



E. bellidifolium : hairy, gray ; radical leaves obovate, subserrate ; 

 stem leaves remote, oblong-ovate, amplexicaul, entire; stem 3 5- 

 flowered ; rays nearly twice as long as the hemispherical calyx. 



HAB. Hills. May, ^ ; stem erect, simp., 1218 inches high ; Jl 

 pale purp. 



E. integrifolium : stem simple, leafy, smooth ; leaves lanceolate, en- 

 tire, 3-nerved ; flowers corymbed ; calyx hemispherical ; scales 

 acute. 



HAB. Woods, (fee. June Aug. Tj. ; stem 2 feet high ; lean, rarely 

 subdent. ; Jl. wh. 



E. philadelphicum : pubescent; leaves cuneate-oblong, subserrate ; 

 those of the stems semiamplexicaul ; florets of the ray capillary, as 

 long as the disk ; stem branched above, many-flowered. 



HAB. Old fields. June Oct. 1\. ; stem 23 feet high, slend. ; Jl.. 

 pale purp. 



E. purpureum : pubescent ; leaves oblong, dentate, amplexicaul ; up- 

 per ones very entire ; peduncles corymbed, thick ; the inferior ones 

 elongated ; rays twice as long as the calyx. 



HAB. Woods/ June, Q ; stem 2 feet high; Jl. large, purp. 



E. strigosum : hairy and strigose ; leaves lanceolate, attenuate at each 

 end, with a few coarse teeth in the middle, or entire ; flowers in a 

 corymbose panicle. 



HAB. Fields and woods. June Oct. tf ; stem 2 3 feet high, sulc. ; 

 rays capill., wh., 



E. heterophyllum : radical leaves roundish-ovate, with large teeth, pe- 

 tiolate ; stem leaves lanceolate, acute, serrate in the middle ; corymb 

 terminal. 



HAB. Meadows. June Oct. tf ; stem 23 feet high ; leav. large ; 

 Jlowers wh. 



* Subgenus CuENOTUS. Calyx oblong ; rays very numerous, 

 minute ; pappus simple. 



E. canadense: stem hairy or hispid, paniculate; leaves lanceolate 

 lower ones subserrate ; rays crowded, very short 



