82 THE USES OF PLANTS. 



used in compound decoction of sarsaparilla, and a resin 

 frequently prescribed for rheumatism and gout.* 



GERANIACE^:. 



Geranium maculatinn, L., ' ALUM-ROOT/ is recom- 

 mended for dysentery,f for which the now largely 

 disused ANGOSTURA BARK (Galipea Cusparia, St- 

 Hil), which contains angosturine, is also employed. 

 This last belongs to the 



Barosma, various species of which genus yield the 

 BUCHU leaves, introduced in 1821, contains a cam- 

 phor like that of peppermint. The leaves are a 

 reputed diuretic. 



Ticorea febrifuga, St. Hil., a Brazilian tree, has a 

 bark recommended as a quinine substitute. 



Zanthoxylum fraxineum, Willd., the TOOTH-ACHE 

 SHRUB, has a bark recommended as provocative of 

 saliva.! 



Z. caribceum, Lam., and Z. Perrotetii, D.C., of 

 Cayenne, the ' Bois PIQUANT,' or YELLOW orTHORNY 

 CAVALIER, is a powerful febrifuge, which may possibly 

 rival the Cinchonas. It contains C 12 H 24 O as a crystal- 

 line solid and an alkaloid. 



Pilocarpus pennatifolius, Lemaire, 'JardinFleuriste/ 

 iii., t. 263 (1852), and perhaps P. Selloanus, Engler, pro- 



* ' Pharmacographia,' pp. 92-97. Bentley and Trimen, pi. 41. 



f R. Bentley, ' Pharm. Journ.,' v (1863), pp. 20-25. 



t Ibid., iv (1863), pp. 399-407. 



' Pharm. Record,' 1886, p. 342 ; Heckel and Schlagden- 

 hauffen, 'Repertoire de Pharmacie,' 1886; Christy, 'New 

 Commercial Plants,' No. 9, p. 62. 



