8YNGENESIA.—SUPERFLUA. 301 



>. S.ciliuris: stem erect, smooth ■; leaves lanceolate, 

 subtriply nerved, smooth, except on the margin, 

 subserrate ; racemes paniculate, secund ; pedun^ 

 cles smooth ; bracts ciliate ; rays short. 



HAB. Borders of woods. Aug. U. Stem 3 ft, 

 high, angul. ; radical, leav. long, 

 tf. S. reflexa : stem erect, villous ; leaves lanceolate, 

 subserrate, triply nerved, scabrous, reflexed ; 

 branches paniculate, subsecund. reflexed. 



HAB. Fields. Aug. U. 

 7, S. lateriflora: stem erect, somewhat hairy ; leaves 

 lanceolate, subtriply nerved, smooth, scabrous on 

 the margin ; lower ones subserrate ; racemes 

 paniculate, subrecurved, secund. 



HAB. Meadows. Aug. U . Stem 2— 3 ft. higfc 

 •rays elongated. 



* * Racemes secund ; leaves veined. 



3, S. aspera : stem erect, terete, hairy ; leaves ovate 

 and somewhat elliptical, very rough, rugous, ser- 

 rate, without nerves ; racemes paniculate, secund. 



HAB. Fields. Sept. 1* . Stem 3 ft. high; leav. 

 acute ; racem. dense. 

 ?. S. altisn/na : stem erect, hirsute; leaves lanceo- 

 late, the lower ones deeply serrate, very roughi 

 rugous ; panicles secund ; rays short. 



HAB. Old fields. Sept.— Oct. U. Stem 3—5 

 ft. high. — Variable. 

 fi). S.rugosa: stem erect, hairy ; leaves lanceolate, 

 very rough and rugous ; the lower ones with ap- 

 pressed serratures ; racemes paniculate, widely 

 spreading. 



HAB. Stony fields. Sept.— Oct. M . Stem 4 ft. 

 high. 



I . S. scabra: stem erect, hairy, sulcate ; Jeaves ob- 

 long, attenuate at each end, acuminate, smooth 

 above, rugous and scabrous beneath, with ap- 

 pressed serratures in the middle ; racemes sj 

 <;und. 



HAB. Meadows. Aug. — Sept. U . Stem 

 high. 



S. ncmoralis: stem erect, woollv ; cauline learea 

 Cc 



