SYNGENESIA FHUSTRANEA. 
423 
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18. Diversifolius. E. 
H. caule scabro; fo- 
liis oppositis, inferiori- 
bus ovato-lanceolatis, 
acuminatis, superiori- 
bus cordato-ovatis, mu 
cronatis, omnibus su- 
pra scaberrimis, subtus 
pubescentibus; involu- 
cri squamis lanceolatis, 
ciliatis; paleis sub tri- 
dentatis. E. 
Stem scabrous; leaves 
opposite, the lower 
ovate-lanceolate, acu- 
minate, the upper cor- 
date ovate, mucronate, 
all scabrous on the up- 
per surface, pubescent 
underneath; scales of 
the involucrum lanceo- 
late, ciliate; the chalf 
slightly 3-toothed. 
Root perennial. Stem three to five feet high, very scabrous, with branches 
and leaves opposite. Lower leaves ovate-lanceolate, serrulate, with a ta- 
pering base, the upper abruptly contracted, nearly entire, all on hispid peti- 
oles two to three lines long. Leaves of the involucrum imbricate, scarcely 
as long as the disk. Florets of the ray ten to twelve, yellow, scarcely an 
inch long; of the disk numerous. Pappus subulate, concave, pubescent, 
longer than the seed. Chaff of the receptacle hairy at the summit, with two 
small but very distinct lateral teeth. 
Grows in the western districts of Georgia. Somewhat resembling the H, 
Tricuspis but very distinct. 
Flowers August — October. 
14. ScABERRIMUS. E. 
H. foliis oppositis, 
lanceolatis, utrinque 
scaberrimis, subinte- 
gerrimis; involucri 
squamis ovatis; recep- 
taculi paleis integris, 
dorso ciliatis. 
Leaves opposite, 
lanceolate, very sca- 
brous on both surfaces, 
nearly entire; scales of 
the involucrum ovate; 
chaff of the receptacle 
entire, fringed on the 
back. 
Root perennial. Stem four to six feet high, very scabrous and very spa- 
ringly divided. Leaves lanceolate, with a long tapering base, whitened and 
blistered on both surfaces, opposite. Flowers very few. Involucrum many 
leaved, leaves ovate, finely fringed, appressed, imbricate, the interior the 
