IXJ 



" SEEDS 



14^d 



Koeleria cristata, Pers. (Fig. 62). 

 Palea 6 mm., keeled, entire, no awn but stiffly tapering, 

 ribbed, no hairs. Rachilla large. Fruit 4o mm. 



Fig. bl. Molinia ccerulea. a, 

 "seed," nat. size; b and c, 

 ditto, X about 8; d, the cary- 

 opsis, nat. size; e, ditto, x about 

 7. Note the compressed, keeled 

 and glabrous palea, and the 

 long slender bone-shaped ra- 

 chilla. Nobbe. 



Fig. 62. luiileria cristata. a, 

 the "seed" (to the left) and 

 caryopsis (to the right), nat. 

 size; h, "seed," x about 7. 

 The palea is compressed and 

 keeled, and, like the large 

 rachilla, glabrous. Nobbe. 



** Palea not taper pointed, but mucronate, or two- 

 toothed, with a sub-terminal point or spine. 



Elymus arenarius. 

 Agropyrum repem. 

 Dactylis glomerata 

 Sesleria ccerulea. 



Elymus arenarius, L. (Fig. 63). 



Fruiting palea lanceolate, 13 — 15 x 3 mm., tough and 

 stiffly hairy or velvety : 5 — 7 ribs. Rachilla stout, hairy. 

 Fruit hairy above, 5 —11 mm. x 2-5 x 1*2, somewhat grooved. 



