XANTHOSMA 
Jacquinii Schott, 326 
velas, 36 
vochinanacatl, 37,38 
Yerba de Maria, 80 
yetl, 1638 
yuyu, 330 
ZEA, 293,294 
Mays L., 117,132 
mexicana (Schrad.) Reeves & 
Mangelsdorf, 299 
ZYGOPHYLLACEAE, 266 
[ xviii | 
