SYNGENESIA.— SUPERFLUA. 29; 



HAB. Low grounds. Oct. U . Stem 2 ft. high . 

 fl. large, blue. 



33. A. concinnus: leaves lanceolate, subamplexicaul : 

 inferior ones subserrate, smooth ; stem simple, 

 paniculate above ; calyx closely imbricate. 



HAB. Fields. Sept. U. Stem 2 ft. high; Jl. 

 purple. 



34. A. bellidiflorus : leaves amplexicaul, narrow-lan- 

 ceolate, scabrous above ; inferior ones subserrate; 

 stem much branched ; scales of the calyx lanceo 

 late, spreading. 



HAB. Pennsylvania. A var. of A. spectabalis? 



35. A. tardiflorus : leaves sessile, spathulate-lanceo- 

 late, serrate, smooth, attenuate at the base ; margin 

 reflexed ; branches divaricate ; calyx loose; scales 

 lanceolate-linear, subequal, smooth. 



HAB. Low grounds. Sept. — Oct. H . Fl. middle 

 sized, violet. 



36. A. Tradescanti : leaves lanceolate, serrate, sessile,, 

 smooth ; branches virgate ; calyx loose, imbricate; 

 stem terete, smooth. 



HAB. Fields. Aug.— Oct. Stem 3 ft. high ; fl. 

 small, wh. or blue. 



p. recurvatus ; leaves narrow-lanceolate ; stem re- 

 curved. 



37. A. eminens ; leaves linear-lanceolate, acuminate, 

 scabrous on the margin ; inferior ones subserrate; 

 stem paniculate ; branches one-flowered ; calyx 

 loosely-imbricate ; scales lanceolate. 



HAB. Fields. Sept. U. Fl. lilac. 



38. A. laxu* : leaves linear-lanceolate, acuminate, sca- 



brous on the margin , the lower ones subserrate, 



those of the stem subreflexed, of the branches 



much spreading ; stem loose, paniculate above ; 



calyx imbricate ; scales lanceolate, acute, reflexed 



at the apex. 

 HAB. Fields. Sept.— Oct. U. Fl. small, white. 



A. fimplex : leaves lanceolate, acuminate, scabrous 



on the margin, those of the stem serrate at the end. 



•f the branches very entire ; stem quite smooth. 



paniculate above ; calyx loose ; scales linear-subu 



late. 

 MAI-. Pennsylvania. 1| . Fl. xvh. 



