128 



SHAPES OF "SEEDS 



[CH. 



Lolium perenne, Festuca elatior. If this " boat " is long 

 and narrow it may be termed barge-shaped, e.g. Brachy- 



Fig. 44. Aira ccesjntosa. The 

 minute ' ' seed " (nat. size) is seen 

 to the right, and the caryopsis 

 (nat. size) to the left of c, the 

 caryopsis, x 8. a and 6, the 

 "seed," X 10. The basal awn 

 is about as long as the palea, 

 and the rachilla is very hairy. 

 Nobbe. 



h e 



Fig. 45. Phleum pratense. Mil- 

 let-seed type, a, "seed," nat. 

 size; b, ditto, x about 7; d, 

 caryopsis, nat. size; c, ditto, 

 X 7. The rounded caryopsis 

 in 6 is only loosely covered by 

 one palea. Nobbe. 



podium sylvaticum, &c. (Figs. 71, 72) : if short, broad, and 

 open or shallow, the term coracle-shaped seems to apply, 

 e.g. Bromus arvensis (Fig. 73). 



Fig. 46. Boat-shaped " seed " of GZi/cmo /aitons. a, nat. size ; 6 and 

 c, X about 6. d, caryopsis, x about 10. Note the 5 — 7 strong 

 nerves, and the slender cylindrical rachilla. Of. Figs. 57 and 58. 

 Nobbe. 



