W 
Warnstorf, C., work of 1 
Water requirement of ts 514 
Welsford, E. J., work of 88 
Wernhan, H. F., Deca plants” 344; 
k of 160 
West, G. S., work of 16 
Wheat, wild i = Palestine 86 
White H., “Forest conditions of 
80 
‘Woodsia lanosa attenuata 338 
Woycicki, Z., work of 167 
INDEX TO VOLUME LVI 
[DECEMBER 1013 
Wuist, Elizabeth D., work of 448 
Wyomingia vivax 70 
x 
Xanthosoma, morphology of 1 
ae and the endosperm of poke 
Stevcrchin 160 
Y 
Yamanouchi, S., : 
York, H. 9, 
Yucca glauca, at echiaiat in 72 
Z 
Zanardinia, life history of 1 
re) 2 
er, G. F., ‘Dictionary of botanical 
names” 83 Et 
Zonation, rhythm, and periodicity 230 
