DID Y NAM I A ANGSOSPERMIA. 
431 
518. OBOLARIA. Gen.pl. 1044. 
I. 0. caule simplici, foliis oblongis truncatis carnosis subtus 
purpureis, floribus axillaribus solitariis sessilibus. — 
IVilld. sp. pl. 3. p. 346. 
Icon. Pluk aim . i. 2 QQ. f 6. Moris, hist. 3. s. 12. 1 . 16. 
f. 23. 
In shady rocky places : Pensylvania to Virginia 5 rare. 
Not above thre inches high ; flowers pale red, in a 
spike, supported by purple bracteas. 
5ig. OROBANCHE. Gen. pl. 1045. 
J. O. caule ramoso, floribus alternis distantibus, corollis de- 
ciduis 4-dentatis. — IVilld. sp. pl. 3. p. 351. 
Icon. Moris, hist. 3. s. 12. t. l6. f Q. 
Parasitic on the roots of beech-trees : Canada to Georgia. 
1/ . July — Sept. v. v. Flowers small, purple. This 
plant is known by the name of Cancer-root, being 
thought to be a never-failing remedy in cancerous 
ulcers. 
2. O. caule simplicissimo squamis ovali-lanceolatis imbrica- 
tis obtecto, spica terminali glabra, corollis recurvatis, 
staminibus exertis. — IVilld. sp. pl. 3 . p. 351. 
Parasitic on the roots of trees : Pensylvania to Carolina. 
71 . July. v. v . About a §pan high, of a brownish- 
yellow colour. 
3. O. scapis nudis unifloris, calyce ebracteato, corolla re- 
curvata. — IVilld. sp. pl. 3. p . 352. 
Icon. Pluk. mant. t. 348. f. 3. 
Parasitic on the roots of different plants and shrubs : Ca- 
nada to Virginia. 2/ . June, July. v. v. Not above 
two or three inches high, of a tan colour j flowery 
pale purple. 
virginica . 
virginiana > 
americana . 
unijlora • 
/ 
