68 SILVA OF NORTH AMERICA. LEGUMINOSE. 
once used in some parts of the United States as a substitute for coffee; a decoction of the fresh green 
pulp of the unripe fruit is used in homeopathic practice,’ and the bruised leaves are said to destroy 
insects feeding on them.” The seeds of the Asiatic species are surrounded by a detersive pulp which 
is used by the Chinese as a substitute for soap in washing linen and cleaning the human head.’ 
The generic name, from yuuvd; and xAddos, relates to the stout branches destitute of spray. 
1 Millspaugh, Am. Med. Pl. in Homeopathic Remedies, i. 53, t. 53. the Export Trade of China, 14.— Hanbury, Science Papers, 238, 
2 See Millspaugh, J. c. f. 5. 
8 Bretschneider, Notes on some Botanical Questions connected with 
