(5i8) 



Undenvood, L. M. An Enumeration of 



the Pteridophytes collected by R. 



S. Williams and J. B. Tarleton, 



148 

 Report of the Scientific Directors 



for 1901, 310 ; for 1902, 490 

 Uni/olium, 396 

 Umula, 266 

 Uriica, 166 

 Ulricularia, 182 



Vaccaria, 168 



Vaccinium, 179, 394, 397 



Vachellia, 90, 94 



Vagnera, 161 



Vail, A. M. Report of the Librarian, 



for 1900, 42; for 1901, 284; for 



1902, 459 

 Valeriana, 183 

 Veronica, 181 

 Verticicladium, 339 

 Viburnum, 183, 394, 397 

 Vilfa, 152 

 Viola, 177 

 Viscuni, 83 



Viticetum, 3, 56, 237, 299, 411 

 Vilis-Idaea, 179 

 Vittaria, 265 



Wahlenbergia, 183 



Washing tonia, 347 



Water Supply, 12, 249, 304, 420, 484 



Webera, 121, 122 



Weisia, 352 



Weissia, 118 



Williams, R. S. A Preliminary List of 

 Montana Mosses, 351 

 An Enumeration of the Mosses col- 

 lected. 1898-1899, 105 



Williams, R. S. An Enumeration of 

 the Flowering Plants collected 

 by, 149 

 An Enumeration of the Hepaticae 



collected by, 101 

 An Enumeration of the Pterido- 

 phytes collected by, 148 



Xanthium, 395, 397 

 Xylaria, 347 

 Xyris, 395, 396 



Yucca, 347 



Yukon Territory, Contributions to the 

 Botany of the, 101 



Zamites, 402 

 Zieria, 138 

 Zygadenus, 161 



