INDEX OF GENERA AND SPECIES. 371 
Page | Page Page 
Urtica (continued) | Urtica (continued) | Welwitschia 332 
peduncularis, E. | simensis, Hochst. 243 | mirabilis, Hook. - 333 
Meyer . . . 250!  tetraphylia, Steud. 270 | Widdringtonia . . 334 
procridioides, E. | urens, 7. 242 Mahoni, Mast. . 335 
Moyer 2... 293 var. wners, Wedd. 304 | Whytei, Rendle . 334 
rigida, Don . . 258 verticillata, Vahl. 304 
rupipendia, Poir. 272) Urticack®. . . 240) 
salicifolia, Don . 296) Urticastrum Zamia 
schimperiana, | carruthersianum, Hildebrandi, Hort. 351 
Hochst. . . 247) Hier. ..... 245| . horrida, Jacq... 347 
ERRATUM. 
Page 89, line 12 from bottom, for wildemanniana read wildemaniana. 
