Tamarin'dus in'dica, Tamarindus, Tamarind, N.F. -- The partially dried ripe fruit, deprived of the brittle outer portion of the pericarp and preserved in sugar (sucrose) or syrup, containing not more than 2 p.c. of foreign organic matter; India, Africa, nat. in W. Indies. Handsome tree, 18-24 M. (60-80 degrees) high; bark rough, ash color; leaves paripinnate, leaflets 8-16 pairs, sessile, 12-25 Mm. (1/2-1') long, 6 Mm. (1/4') broad; flowers yellow, racemes; fruit indehiscent legume, compressed, 7.5-15 Cm. (3-6') long, 2.5 Cm. (1') broad, curved, nearly smooth, yellowish-brown, percarp thin, brittle, corky. Pulp -- a pulpy mass, light reddish-brown, darker with age, containing some branching fibers and numerous reddish-brown, smooth, oblong, quadrangular, compressed seed, each in a tough membrane; pulp with parenchyma cells containing few starch grains, calcium oxalate rosettes and crystal-fibers with prisms; odor distinct; taste sweet, agreeably acid. Bright iron in contact with moist pulp 30 minutes should not show reddish deposit (abs. of copper from evaporating vessels). There are three varieties: 1, W. Indian (Brown, Red), the once official kind, cakes kneaded with sugar or hot syrup, or alternate layers of pulp and sugar; 2, E. Indian (Black), masses simply pressed together and dried in the sun; 3, Egyptian, cakes, flat, round, black, acrid, often moldy; contains tartaric acid 5-9 p.c., citric acid 4-6 p.c., potassium bitartrate 5-6 p.c., malic acid, acetic acid (mostly as potassium salts), sugar, pectin, tannin (in seed testa), insoluble matter 12-20 p.c. Laxative, refrigerant; febrile diseases, combined with other laxatives (senna, etc.) as a flavoring. Dose, 3ss-5 (2-20 Gm.); 1. Confectio Sennae, 10 p.c.