ch. vn] Botanical Description of Species 97 



"Seeds" about 3 mm. long. Outer palea very glossy, and 

 either white, or yellow, or sometimes dark coloured. At the base 

 of the palete are a pair of linear hair-tufts. These are shorter 

 than the outer palea which is awnless and hairy at its margins. 

 The upper margins of the inner palea are also fringed with hairs. 

 (Fig. 92.) 



(a) (b) 



Fig. 96. Panicles of (a) Festuca rubra genu- 

 ina and (b) Festuca pratensis. About 

 J nat. size. 



Fig. 97. "Seed" 

 of Festuca da- 

 tior sub-sp. pra- 

 tensis. x 10. 



Elymus arenarius, L. (Sand Lyme-grass.) (Fig. 91.) 

 A perennial, with long and numerous rhizomes, chiefly found 

 on sandy sea-shores. It has been extensively sown for binding 

 loose or blowing. sand on parts of the English and Dutch coasts. 



A. 7 



