2S0 SYNGENESIA.~-yEQ,UALIS. 



4-. H.Kalmii: stem erect, subvillose ; leaves sessile 

 lanceolate, acuminate, acutely and divaricately 

 dentate ; panicle subcorymbose ; pedicels to- 

 mentose. 

 HAB. Rocky woods. Aug. U. SltmZft. high ; 

 pedicels thick, 



■). H. marianum : stem erect, villous ; leaves obovate 

 or elliptic, strigose and hispid, villous on the mid- 

 rib ; the lower ones slightly dentate; pedicels 

 and calyx tomentose. 

 HAB. Sandy hills. Aug.— Sept. Stem 2 ft. high . 

 •pan. dense ; ped. gland. 



468. KRIGIA. Composites. 



1. K. virginica : glaucous; primary leaves roundish 



entire; the rest lyrate, nearly smooth; scape 1- 

 flowered, smooth, at length longer than the leaves ; 

 calyx smooth. 

 HAB," Sandy soils. May — July. 0. Scape 1—6 

 in. high ; fl. sm., orange. 



2, K. amplexicaulis : glaucous ; leaves oblong-ovate ; 



radical ones subdentate, spathulate; scape some- 

 what leafy, often bifid ; branches 2 — 3-flowered ; 

 pappus with many bristles. 

 HAB. Woods. June. U. Stem 1 ft. high ; pe* 

 dune, elong. ; fl. large, orange. 



469. ARCTIUM. Burdock. Composite/*. 



A. Lappa : leaves cordate, petiolate, without 



prickl-es. 

 HAB. Road sides, &c. July — Dec. U. Leai\ 

 large, spread. ; fl. term., purp. §. 



HO. ONOPORDUM. Cotton Thistle. Composite 



O. Acanthium: scales of the calyx spreading, subu- 

 late ; leaves ovate-oblong, decurrent, sinuate and 

 spinous, woolly on both sides. 



HAB. Waste places. July. £ . Plant white and 

 woolly ; fl. large, solit., purp. §. 



