SYNGENESIA -EQUALIS. 
313 
interioribus petaliform- 
ibus. Pappus palea- 
ceus, squamis brevi- 
bus, obtusis. Recep- 
taculum nudum. 
1. ScABIOSjEUS. 
H. candicanti-lanu- 
ginosus; foliis profunde 
pinnatifidis, laciniis li- 
neari-oblongis, subden- 
tatis; floribus corym- 
bosis. 
Mich. 2. p. 104. Pursh, 2. p. 519. Nutt. 2. p. 139. 
Root perennial. Stem two to three feet high, furrowed, angular, tomen- 
lose. Leaves alternate, long, slender, irregularly pinnatifid, the segments 
remote, scarcely confluent, linear, sinuate-dentate, the upper ones more dis- 
tinctly pinnatifid, with the segments entire, all tomentose and hairy under- 
neath. Flowers in small terminal corymbs. Involucrum many leaved, 
containing many flowers, leaflets obovate, nearly round, tomentose on the 
back, membranaceous, white, the interior large and expanding, giving the 
flowers a radiated appearance. Florets tubular, whitish, externally pubes- 
cent, border five-cleft, with the segments revolute. Stamens extended, with 
their projecting summits very conspicuous. Style longer than the stamens. 
Stigmas two, revolute. Seed conical, a little hairy. Pappus composed of 
many short, obtuse, denticulate, membranaceous leaves. 
Grows around ponds in the high pine barrens in the middle districts of 
Carolina and Georgia. I believe very rare. Scriven and Burke counties, 
Georgia. 
Flowers in April. 
Lanuginous, hairy; 
leaves deeply pinnati- 
fid; segments linear, 
oblong, slightly tooth- 
ed; flowers in corymbs. 
the interior petal-sha- 
ped. Pappus chaflfy, 
scales short, obtuse. 
Receptacle naked. 
POLYPTERIS. Nutt. 
Involucrum poly- 
phyllum, foliolis ovali- 
bus. Pappus palea- 
ceus, polyphyllus, foli- 
olis lato-subulatis, cus- 
Involucrum many 
leaved, leaves oval. 
Pappus chaffy, many 
leaved, the chaff broad- 
subulate, cuspidate, ri- 
R 2 
VOL. II. 
