886 



LV. GEAMINE^l. 



Oat. 



Flower deprived of its 

 outer gtomcllc (mag.). 



Wheat. 



Triandrons flower 

 (mag.). 



Oat (Arena tatim). Panicle. 



Oat. Expanded spikelct. 



O ''. glumes ; /'.- . outer plumelle, armed 



with ail awn, A ; i'.i, inner gluuiellc ; 



FJS, abortive flower. 



Wheat. 

 Portion of the 



axis of the 

 compound spike. 



Wheat. 

 Spikelet (mag.) 



Wlio.it. 

 Portion of straw. 



Wheat. 

 Glume 

 (mag.). 



Cl 



Oat. Diagram of a spikelct. 

 GL, QL, glumes ; B, B, pales; A, abortive flower. 



