182 



THE SECOND BOOK OF BOTANY. 



forming the silk; kernels in eight, ten, twelve, or 

 some even number of rows. 



Gather a plant of the oat in blossoming-time, 

 and compare it with Figs. 340 and 341. Remember 

 that the outer glumes belong to the spikelet, and not 

 to the flower. Look out for sterile flowers below or 

 above the perfect ones. 



FIG. 840. 



