DRAGON ROOT. 59 
for a nutritious frecula to exist in pungent and poi- 
sonous roots. The Laplanders prepare a whole- 
some bread from the acrid roots of Calla palus- 
tris, and the juice of the Cassava, or bread 
root tree of the West Indies, is known to be high- 
ly deleterious while recent. [Vote F.] 
BOTANICAL REFERENCES. 
Linn 2zvs, sp. pl.— WILLDENow, iv. 480.—Arron, Hort. Kew. 
fii. $15.—Waxrer, Carol, 224.—Micnavx, Fl, ii. 188.—Pursn, 
ii. 399. Dracunculus s. Serpentaria triphylla, &c -—Bavuin, 
Pin. 195.—Arum s. Arisarum, &c.—Mortson, Hist, iii, 547, 
8. 13, t. 5.—PLUKENET, t. 77, f. 5. also t. 376, f. 3. 
MEDICAL REFERENCES. 
Scueprr, Mat. Med. 133.—Rusu, ii. 301.—Barron, Coll. 29, 
ree Caxt, in Philad. Med. and Phys. Journal, ii. 84.—THAcH- 
Disp. 153.—Currer, Mem. Amer. Acad, i. 487. 
PLATE IY. 
Fig. 1. Arum triphyllum. 
Fig. 2. Spadix with anthers. 
Fig. 3. Spadis with germs. 
Fig. 4. Longitudinal section of the root. 
