CENT. XI. 161 
purplish, bracts oblong. Several var. pwnila, 
latif. obliquata, longifolia ce. All our Amer. 
sp. were once blended m this! 
1183, Ser. diversifolia Raf. caule ramosq 
obtusang. ramis acutang. fol. petiolis levis, du- 
plicato serratis subacum. infimis cordatis, me- 
dialis ovatis obliquatis,superis lanceol. equaliter 
serratis, panicula laxa, bracteis linearib—Dela- , 
ware to Virg. in woods, stem 4-6pedal, fl. green, 
leaves ample, some semipedal. 
1181, Scr. adenopa Raf. caule simplex acu- 
tang. fol. ovatobl, acum. inequaliter serratis 
basi acutis vel subsagittatis, panicula Jaxa,brac- 
teis subul. brevis, pedic. pilis glanduliferis nigris 
obsitis— Kentucky, Ohio &c, stem 2-5pedal, fl. 
dark purple. 
1185, Ser. serrulata Raf. caule obtusang. 
ramoso, fol. brevi petiol. fanceol. elongatis u- 
trinque acutis equaliter serrulatis, paniculis lax- 
is, bracteis brevissimis subulatis—Mts. Allegh. 
it has more lanceolate leaves than the sp..of 
Pursh,they are narrower longer,slightly serrate. 
stem and bracts also different, 
1186, Ser. dimidiata Raf. caule simplex ob- 
tusang. fol. brevipetiol. ovatobl. acute obliquatis 
dimidiatis, inciso serratis, subtus glaucis, pani- 
cula remote racemosa, bracteis subulatis—Ca- 
rol. Florida, pedal, leaves remote. biuncial, fl. 
pale. It differs from S. maril. by leaves 
bracts.&c. 
1187. Ser. nodosa L. 3 or 4 european plants 
have been sent me under that name, even $. 
peregrina, the real answers well to the lipnean 
character. 
- 1188, Ser. triflora Raf. pubens, caule simpl. 
obtusang. fol. pet. ovatis acutis laciniatis, lac. 
extus serratis, pedunc. axil. 3floris, fol. longior 
