CHAPTER XL. 



MONOCOTYLEDONS (CONCLUDED). 



Topic III: Monocotyledons with a glume subtending 

 the flower (Glumiflorae). 



404. Lesson III, Grass family (gramineae). Oat. As a 



representative of the grass family (gramineae) one may take the 

 oat plant, which is widely cultivated, and also can be grown 



Fig. 215. 

 Flower of 

 oat, showing 

 the upper 



Fig. 211. Fig. 212. Fig. 213. Fig. 214. 



Spikelet of One glume re- Flower opened Section show- 



oat showing moved showing showing two palets, ing ground plan palet behind, 



two glumes. fertile flower. three stamens, and of flower, a, axis, and the two 

 two lodicules at base 

 of pistil. 



lodicules in 

 front. 



readily in gardens, or perhaps in small quantities in greenhouses 

 in order to have material in a fresh condition for study. Or we 



247 



