44 
PLATE V. 
FIG. 36. Stipa richardsonii, long. sec.; (x 17 M 
37. A and B. Stipa richardsonii, cross sec.; (x 24). 
A. Oryzopsis micrantha, long. and cross sec.; (x 14). 
38 B. Oryzopsis micrantha, long. and cross sec.; (x 29), 
39. Cinna arundinacea, long. sec.; (x 10). 
40. Cinna arundinacea, cross sec.; (x 50). 
41. Phleum pratense, long. sec.; (x 18). 
42. Ammophila arenaria, long. sec.; (x 20). M 
43. Brachyelytrum erectum, long. sec.; (x 6). | 
Avena sativa, long. sec.; (x 5). Hs 
45. Avena sativa, long. sec. facing embryo; (x 6). 
46 A and B. Avena sativa, cross sec.; (x 10). 
47 A-G. Avena sativa, cross sec. of embryo; (x 13). 
PLATE VI. 
52 A-D. Eleusine coracana, long. and cross sec.; (x 13). 
* 
54 A-C. Spartina gracilis, eross sec.; (Xx 16). 
ec.; (x 20 
- Bulbilis dactyloides, cross sec.; (x 18). 
. Beckmannia eruce formis, long, sec.; (x 26). 
PLATE VII. 
A-H. Hordeum vulgare, cross sec. of embryo; (x 18). 
15). 
68 A and B. Secale montanum, cross, sec.; (x 14). 
69. Triticum cstivum, long. sec. of embryo; (x 13). 
PLATE VIII. 
70. Lolium rigidum, long. sec.; (x 16). 
71 A-C. Lolium rigidum, cross sec. ; (x 24). 
72. Elymus virginicus, long. sec. ; (x 11). 
73. Elymus virginicus, cross sec.; (x 32). 
74. Arundinaria falcata, long. sec. of embryo parallel to scutellum; (x 19). 
75. Arundinaria faleata, long. sec. of embryo; (x 16). 
76 A-K. Arundinaria falcata, cross sec, of embryo; (x 29). 
2 
