&YNGENESIA FRUSTRANEA. 
441 
Leaves of the exterior invnlucrum eight, linear, acute, as long as those of the 
interior; of the interior lanceolate, pubescent at base, dotted. Florets of 
the raj eight, obovate, obscurely three-toothed; of the disk numerous, yel- 
low. Anthers dark purple. Seed compressed, with the margin serrulate, 
nearly as long as the florets of the disk. Chaff of the receptacle linear, ob- 
tuse, longer than the florets of the disk, spotted near the summit with purple. 
Grows in wet grounds. 
Flowers August and September. 
13. Aristata. Mich. 
C. pubescens; foliis 
quinato pinnatis, folio- 
lis serratis; radiis inte- 
gris, lato ovalibus; 
seminibus cuneato-ob- 
ovatis, biaristatis; aris- 
tis longissimis, divari- 
catis. Mich. 
Pubescent; leaves 
quinate, pinnate, the 
leaflets serrate; florets 
of the ray entire, 
broad, oval; seed cu- 
neate-obovate, 2-awn- 
ed; awns very long, 
divaricate. 
Mich. 2. p. 140. Sp. pi. 3. p. 2250. Pursh, 2. p. 568. Nutt. 2. p. 
180. 
Flowers large, rays very broad, Pursh. With this species I am unac- 
quainted. 
Grows in Carolina, Pursh. In Illinois, Mich. 
Flowers August-— September. 
14. Pubescens. E. 
C. pubescens; foliis 
quinato-pinnatis, folio- 
lis lanceolatis, obtusis, 
integerrimis, laterali- 
bus parvulis; involucri 
exterioris foliolis ova- 
to-lanceolatis; radiis 
undulatis? pappo di- 
phyllo, foliolis subula- 
tis, pubescentibus. E. 
Pubescent; leaves 
quinate, pinnate, leaf- 
lets lanceolate, obtuse, 
entire, the lateral ones 
small; leaves of the 
exterior involucrum 
ovate-lanceolate; flo- 
rets of the ray undu- 
late? pappus 2-leaved, 
subulate, pubescent. 
k a 
VOL. If. 
