ASARALS. 2 63 BIRTHWORTS. 
Habitat. Equinoctial America. 
Quality and Uses. This appears, from the testimony of Dr. Hancock, to be the real 
Guaco, to which, as an alexipharmic, so much interest has attached by the 
relation of Humboldt. What is sold as Guaco in Colombia is certainly an 
Aristolochia of some kind. The accompanying figure is taken from one of 
Dr. Hancock’s specimens. 
AsarumM. Linneus. 
Stamens 12, horned, distinct from each other, and from the style. Calya 
campanulate, 3-lobed. 
1, A. canadense Linneus. 
Leaves reniform, mucronate, pubescent, in pairs. 
Habitat, Canada. 
Quality. A warm aromatic, stimulant and diaphoretic, and as a substitute for 
Serpentary. 
2. A. europeum Linneus.—(AsaRapacea.) Fig. 363. 
Leaves reniform, obtuse, hairy, in pairs. 
Habitat. Woods of Europe. 
Quality. Acrid, emetic, purgative, diuretic ? diaphoretic ; excites sneezing. 
Uses. As a substitute for Ipecacuanha; as a counter irritant in affections of the eyes, 
brain, &c., headache, toothache, ophthalmia. Drunkards in the south of France use 
it to sober themselves by emptying the stomach. Powder said to form the base 
of Cephalic snuff. 
