268 
SYNGENESIA jEQPALIS. 
CNICHS. Gen. Pe. 1255. 
Involucrum imbri- 
catum, ventricosum, 
squamis spinosis. 
Pappus plumosus. 
Receptaculum villo- 
sum. 
1. Altissimus. 
C. foliis sessilibus, 
oblongo lanceolatis, 
scabris, subtus tomen- 
tosis, dentatis, cilia- 
tis, radicalibus pinna- 
tifidis; involucris brac- 
teatis, ovatis ; squa- 
mis ovato-lanceolatis, 
spinosis, appressis. 
Sp. pi. 3. p. 1671* Pursh, 2. p. 
Involucrum imbri- 
cate, ventricose, with 
spinous scales. Pap- 
pus feathered. Re- 
ceptacle villous. 
Leaves sessile, ob- 
long lanceolate, sca- 
brous, tomentose un- 
derneath, toothed, 
fringed, those of the 
root pinnatifid ; invo- 
lucrum ovate, bracte- 
ate ; scales ovate lan- 
ceolate, spinous, ap- 
pressed. 
506. 
Root perennial. Stem erect, branching, sometimes on the borders of 
the Missouri, according to Mr. Nuttall, attaining the height of 15 or 18 
feet. Leaves tomentose and hoary underneath, the upper one sessile, lan« 
ceolate, irregularly spiny. Flowers terminal. Involucrum somewhat cy- 
lindrical, the scales ovate, acuminate, appressed, pale, with the termina- 
ting spine discoloured and appearing as if riveted to the scale. Corolla 
generally purple. Receptacle villous. 
Grows in the upper districts of Carolina. Pursh. Willd. I have not 
myself seen this species in Carolina, my specimens are from Pennsylva- 
nia. 
Flowers July — September. 
2. Muticus. 
C. foliis omnibus 
pinnatifidis, subtus 
lanuginous, laciniis 
spinulosis, sublanceo- 
Leaves all pinnali- 
fid, lanuginous under- 
neath, the segments 
spinulous, somewhat 
