242 



Virga, 201 

 Virgultum, 201 

 Viticulae, 201 

 Volvaria eleganti, 214 



Washingtonia, 138; Claytoni, 137, 139; 

 longistylis, 136, 139 



Weaver, J. E., Clements's Plant Suc- 

 cession (Review), 62 



Weight of Seeds as Related to Their 

 Number and Position, The, 180 



Weight of Seeds as Related to Their 

 Number and Position in the Pod, loi 

 William Young, Jr., of Philadelphia, 

 Queens' Botanist, 91 



Williams, R. S., 31 



Wood, Mrs. C, death of, 107 



Xanthium speciosum, 159; spinosum, 



159 

 Xyris, 140 



Young, William, Jr., of Philadelphia, 

 Queen's Botanist, 91 



Zannichellia palustris, 84, 120 

 Zannichelliaceae, 120 

 Zizia, 140 

 Zoe, 206 



