Bfg 
S^NGEiVESIA NECESSARIA, Silphiurti. 
In North America. Relx. 1/ . v. s. in Herb. Lam- 
bert. 
12. S. caule tereti lasvi, foliis subqiiaterno-verticillatis lan- 
ceolatis scabris subintegerrimis subsessilibus basi cilia- 
tis, snperioribus sparsis, panicula dichotoma. — Willd. 
sp. pi. 3. p. 2334. 
Ill Carolina and Georgia. Lyon. 11. Aug. Sept. v.v. 
Resembles the preceding j but its purple smooth stem 
distinguishes it at first sight. 
13. S. caule petiolisque tomenlosis, ramis unidoris, foliis 
alternis cordatis ovatis serratis petiolatis viliosis;, semi- 
nibus muticis. — Herb. Banks, mss. 
In Georgia. Bartram. 1/. v. s. in Herb. Banks. 
14. S. foliis alternis petiolatis cordatis sinuatis, squamis caly- 
cinis obtusis. Herb. Banks, mss. 
In Carolina. 1/ . v. s. in Herb. Banks. 
!5. S. foliis alternis ovato-lanceolatis cordatis serratis obt.usi- 
uscuiis villosiusculis. Herb. Banks, mss. 
In Florida. 1/ . v. s. in Herb, Banks. 
661. POLYMNIA. Gen. pi 1335. 
1. P. viscido-villosa 5 foliis denticulatis acuminatis, inferio- 
ribus pinnatifidiS;, superioribus trilobis integrisve. — * 
Willd. sp. pi. 3. p. 2335. 
Icon. Ainoen. acad. 3. t. l. f 5. 
In shady mountains: Canada to Virginia. 11. June, 
July. V. V. Two or three feet high ; flowers yellow 3 
the whole plant has a strong balsamic scent. 
2. P. foliis oppositis trilobis acutis in petiolum deciirrenti- 
bus, lobis anguloso'siouatisj radiis eloiigatis. — JVilld. 
sp. pl.3. p. 2335. 
P. maclilata. Cav. ic. 3. t. 227. 
Icon. Pluk. aim. t. 83. /. 3. Mcrls. hist. 3. s. 6. t. 7. 
f. 55. Trew pict. suppl. l\2. 
In the mountains of Virginia and Carolina. 7/ . July — - 
Sept. V. V. From four to eight feet high. 
662. CHRYSOGONUM. Gen. pi 1337. 
1. C. pumiluni, lanato-villosum 5 foliis in petiolum angus=- 
tatis ovalibus dentatis. — Willd. sp. pi. 3. p. 2337. 
Icon. Pluk. aim. t. 83. f. 4. t. 2A2.f. 3. 
On dry hills : Virginia and Carolina. 7/ . May, June. 
V. V, Not above a span high ; flowers yellow. 
atropurpu^ 
reum. 
tomentosum. 
elatum. 
reticulatum. 
canadensis^ 
Ucedalia. 
virginianum.. 
