276 PROCEEDINGS; BOSTON SOCIETY NATURAL HISTORY 
Cecropia peltata. The bark may be used for tanning. 
Indigofera suffruticosa. Formerly much used in making 
indigo. 
Persea gratissima. The bark of this might be used for tanning 
leather. 
Rh'zophora ]Mangle. Contains from 22 to 33% of tannin 
according to the age of the tree, and likewise a pigment which colors 
the leather. 
MEDICINAL PLANTS. 
Abrus precatorius. Substitute for licorice in India. Is a 
poison and a medicine. 
Acacia macracanth^v. Corteza de Cuji. Astringent. 
Agave ainiericana. Raiz de Cocuy. Purgative. 
Anacardiuji occidentale. Root is purgative the green fruit 
astringent. In the middle layer of shell of fruit is an^oily liquid 
capable of poisoning the skin, and turning black on exposure. This 
is used as an indelible ink. 
Annona muricata. Root \ields a fish poison. 
Annona squamosa. Bark has drastic properties. 
Argemone mexicaxa. Cardo santo. Used as a mild cathartic 
and in cases of intermittent fever, and dropsy. 
Aristolochia rixgexs. Congrina. For rheumatism. 
AscLEPiAS CURASSAVICA. The Toot is a diuretic and carminative, 
in large doses a cathartic and an emetic. 
Bastardia viscosa. Ckivaiera 6 fistuhra. Aromatic. The pow- 
der is said to cure fistula. 
BiXA ORELLAXA. The red arillus is used in soups and sauces. 
Bruxfelsia Hopeaxa. The dried root and stem used for chronic 
muscular rheumatism. 
BuRSERA GUMMiFERA. Indio desnudo. Used for rheumatism. 
Campyloxeurum phyllitidis. Lengua de sierpe. Antisyi:)hilitic. 
Capparis jamaicexsis and Capparis cyxophallophora. Root 
bark possesses blistering properties and may be taken internally as a 
diuretic. 
Capsicum baccatum. The berries used as caustics, and the 
leaves bruised and mixed with tallow, are applied to tumors to pro- 
mote suppuration. 
Capraria biflora. The root is a tonic. 
