ILLUSTRATIONS. 
Page 
Fig. 1. Wire Bunch-grass (Agropyron divergens) 7 
2, Pony-grass (Calamagrostis neglecta) 8 
3. Slough-grass ( Beckmannia eruceformis) 8 
4. Colorado Blue-stem (Agropyron spicatum) ....-................ como 9 
5. Blue Grama ( Bouteloua oligostachya) 10 
6. Mountain Brome-grass (Bromus breviaristatus) VVV 10 
7. Feather Bunch-grass (Stipa viridula) 11 
8. Prairie June-grass (Koeleria cristata 12 
9. Slender Satin-grass abemus ndo vrac „000Gb CUIRE SE 13 
10. Early Bunch-grass (Eatonia ob Mec) 14 
11. Wild-rye ( Elymus canaden 15 
2. King's Fescue ( Festuca kingii) 16 1 
13. Montana Bush-pea ( Thermopsis montana) 17 
14. Buffalo Bunch-grass ( Festuca scabrella) 18 
15. Winter Fat or Sweet Sage CRIME S iot A A 19 
I6. Balt-prass (Sporobolus awodi.  .. alos 20111. ceo oo 19 
17. Reed Canary-grass ( Phalaris arundinacea) 22 
18. Needle and Thread (Stipa come 23 
19. Fine-top Salt-grass (Spor see asperifoliu 8) 24 
20. Oat-grass „ intermedia) 28 
21. Cord-grass (Spartina cynosuroides) 28 
22. Thick-rooted ave -grass (Melica bulbosa) 30 
23. Mountain Blue-grass (Poa nevadensis) 32 4 
24. False Red-top (Poa flava) 33 
25. Bunch Red-top (Poa buckleyana) -.......1 1 ee ee sen 34 
26. Manna-grass (Puccinellia airoides) 35 
27. Sheep Fescue (Fest ina) „ 35 
28. Red Fescue ( Festuca y i4 xe 36 
39 
* 
29. Wild-rye (Elymus condensatus) 
6 
