98 



PLANT INVENTORY NO. 151 



Watermelon. See Citrullus vulgaris. 

 Wheat. See Triticum. 



common. See T. aestivum. 

 Wheatgrass, crested. See Agropyron 



cristatum. 

 Willow. See Salix spp. 



Xylopia sp., 147625. 



Yam-bean. See Pachyrhizus erosus. 



Zea mays, 145823-145825, 145837, 

 145845-145854, 145862-145870, 

 145942, 146116, 146144-146170, 

 146183-146192, 146367-146382, 

 147031-147033, 147038, 147109- 

 147122, 147471. 



Zizyphus sp., 147626. 



ft U. S. GOVERNMENT PRINTING OFFICE: 1951 933637 



