INDEX 



68 1 



Wild cabbage, 328 



cotton, 520 



cucumber, 606 



emmer, 114, 115 



fig, 276 



goose wheats, 113 



oats, 130 



pea, 432 



radish, 342 



rice, 207 



tobacco, 600 

 Windberry, 550 

 Windsor bean, 427, 429 

 Wine grape, 499, 500 

 Wines, 502 

 Wings, 415 



Winningstadt cabbages, 332 

 Winter gourd, 615 



radishes, 243 

 'Wolberry, 550 

 Wood, 36 



elements, functions of, 37 



fibers, 36 



parenchyma, 36 



strawberry, 364 

 Woolly-podded vetch, 429 

 Wormwood, 625, 628 



Xanthoxylum, 473 

 Xenogamy, 52, 95 



Xylem, 18, 36 



Yams, 556 

 Yarrow, 623 

 Yellow egg plums, 399 

 -flowered alfalfa, 447 

 salsify, 635 

 Young dicot stem, 33 

 Yucca, 229 



Zanta currants, 501 

 Zea, 87, 157 

 canina, 179 

 mays, 158, 178 



amylacea, 178, 180 



amylea-saccharata, 178, 180 



curagua, 179 



everta, 178, i8o 



hirta, 179 



indentata, 178, 180 



indurata, 178, 180 



japonica, 179 



key to "species groups" of, 180 



saccharata, 178, 180 



tunicata, 178, 180, 182 

 ramosa, 179 

 Zigzag clover, 433, 441 

 Zizania aquatica, 206 



miliacea, 207 

 Zygote, 52 



