476 BOTANICAL GAZETTE : | JUNE 
est, W. an ge S., work ws Suds xX 
Wiegand, K. work of 1 
Wiesner, eee pea ae work of Xanthium strumarium 258, 259 
X-rays, Atkinson’s studies 71 
hen Saati pean aces fade” 293 4 
Wilson’s “ Nature study” 
Wilson, ee bs W.. ol of 115 Yeasts, red 3 
oods, A. F. Yucca ‘glauca 391 
Wooten . ac oie of 376 7 
Wootonia, Greene on 37 
Wounding, effect on nutation 401 Zacharias, E., personal pie: 379 
Wyoming, j Sines of 196 Zannicheltia, ‘Campbell o 65 
