Ix | “ SEEDS ” 143 
membranous. Inner palea nearly as long, delicate, 
ciliate. 
Rachilla short, flattened and angular, tapering below 
(see Festuca elatior). 
Caryopsis about 3°5mm. long, obovate, yellowish 
brown. 
Fig. 57. Lolium perenne with typical Fig. 58, Festuca elatior, var. 
boat-shaped ‘“‘seed.” a, natural pratensis. Lettering and sizes 
size; band c, x about 8. d, cary- as in Fig. 57: compare the 
opsis, x8. The rachilla, in ¢, is more cylindrical and slender 
broader upwards and flatter than rachilla. Nobbe. 
in Fig. 58. Nobbe. 
Although Bromus mollis, Holcus lanatus, &c. occur as impurities 
they are easily distinguished: the real difficulties are with Festuca 
elatior and F’. pratensis. 
