OHIO BIOLOGICAL SURVEY 



VOL. II. PLATE XII 



Schaffner 



PLATE XII 



Representative stages in the evolution of the grass inflorescence. 

 Fig. l. Inflorescence of Arundinaria macrosperma Mx. 

 Fig, 2. Panicle of Uniola paniculata L. 



Fig. .''.. Spike-like panicle of Pennisetnm glaucum (L.) R.Br. 

 Fig. 4. Carpellate inflorescence (ear with lmsks) of Zea mays L. 



