IX] 



" SEEDS ' 



143 



membranous. Inner palea nearly as long, delicate, 

 ciliate. 



Rachilla short, flattened and angidar, tapering below 

 (see Festiica elatior). 



Caryopsis about 3'5 mm. long, obovate, yellowish 

 brown. 



Fig. 57. Lolium perenne with typical 

 boat-shaped "seed." a, natural 

 size; h and c, x about 8. rf, cary- 

 opsis, X 8. The rachilla, in c, is 

 broader upwards and flatter than 

 in Fig. 58. Nobbe. 



Fig. 58, Festuca elatior, var. 

 pratensis. Lettering and sizes 

 as in Fig. 57 : compare the 

 more cylindrical and slender 

 rachilla. Nobbe. 



Although Bromus mollis, Eolcus lanatus, &c. occur as impurities, 

 they arc easily distinguished : the real difficulties are with Festuca 

 elatior and F. pratensis. 



