POISON Ivy. Si 
BOTANICAL REFERENCES. 
Rhus radicans, Wiip. Sp. pl. 1. 1481 —Etuorr, i—Rhus 
toxicodendron, &c. Micuavux, Flor. i. 183 —Porsu, i. 205.—Toxi- 
codendron rectum &c.—DLenivs, Elth. t. 291. 
MEDICAL REFERENCES. 
Du Fresnovy, quoted in Annals of Medicine, iv. 18e—y, 483.— 
Med. and Phys. Journal, i, $08—vi. 273,—x. 486. —Dvncay, Dis- 
mes stn nce oo ee igo 1798. 
as raat 2 
PLATE XL 
Fig. 1. Rhus radicans, the barren plant i in dee: a 
Fig. 2. Fruit. Sei 
Fig. 3. Barren flower. vr 
_ Fig. 4. Fertile flower. 
Fg. 5. Petal. 
Pe 
