Z 1 Z 149 



tire, keeled. Var. precox (dwarf corn) stem low : seeds 

 mostly 8-rowed. 



63. ZIGADENUS. 

 glaberrimus (zigadene.) 



182. ZINNIA, 49. 55. 

 midtijlora. 



206. ZIZANIA, 4. 10. 



davulosa (water-oats, wild rice. 0.) panicle pyramid- 

 form ; staminate flowers below, spreading, flnitans, 

 tniliacea. 



N 9. 



