76 



Botanical Section 



[PT I 



to 12 mm. long, boat-shaped, tapering into a long (9-13 mm.) 

 rough terminal awn. Inner palea fringed on the upper half of 

 the marginal ribs. Rachilla smooth or hairy, cylindrical, widened 

 and concave at the top. (Fig. 63.) 



Fig. 61. "Seed" 

 of Avena pra- 

 tensis, L. x 5. 



Fig. 62. "Seed" 

 of Avena fatua, 

 L. x5. 



Brachypodium pinnatum, Beauv.| (Heath False Brome-grass.) 

 In Britain, found only in the eastern and central counties of 

 England. 



