252 



PLANT INVENTORY NO. 158 



Wildrye, Canada. See Elymus cana- 

 densis. 

 Willardia mexicana, 190419. 



Xylobium foveolatum, 190025. 

 Yam. See Dioscorea quaternata. 

 Yangtao. See Actinidia chinensis. 

 Ylang-ylang. See Canangium odora- 



tum. 



Zea mays, 185844-185855, 186182- 

 186231, 186233, 188563, 188564, 

 189024, 189025, 190081, 190247, 

 190297, 190298, 190423, 192881- 

 192884, 192946, 193001-193003. 



Zephyranthes grandiflora, 189972. 



Zizyphus mucronata, 187142. 



Zoysia japonica, 186601, 186602. 

 sp., 188740. 



"& U. S GOVERNMENT PRINTING OFFICE: 1956 374295 



