FESTUCE.E. 52^ 



a. Floral glume 3 \nin. long 1, 24 



a. Floral glume, 2.5 mm. long 25 



a. Floral glume 3-3.5 mm. long 26 



8. Perennial (c) 



c. AVitli creeping rootstocks (d) 



d. Culms much compressed, firm 27 



d. Culms terete or but little compressed. . . . (e) 



e. Floral glume 4.2 mm. long 2S 



e. Floral glume 3-4 mm. long. (3.5-T in no. 



30) (h) 



h. Ligule 1.5 mm. long, rays 3-G. . . . T.i 



h. Ligule 1-2 mm. long, rays 2 2J> 



h. Tiigule 2-4 mm. long, rays 2 30 



h. Ligule 4 mm. long, rays 3-4 31 



e. Floral glume 5-7 mm. long, ligule obsolete. . (i) 



i. Blades 2 mm. wide 32 



i. lilades 8-12 mm. wide 33 



e. Floral glume 5-Gmm, long, ligule 2 mm. long. 34 



C. Destitute of good creeping rootstocks (m) 



m. Floral glume 2.3-2.5 mm. long (also P. nein- 



ondis, var. slricfior) 35 



m. Floral glume longer (n) 



n. Apex of leaves abruptly pointed, the apex 

 tapering for 2-3 mm., ligule 3 mm. long, 



rays 2-3 3G 



n. Apex of leaves acuminate (r) 



r. Ligule 0.5 mm. long, rays 4-7, lloral 



glume 3-3.2 mm. long 37 



r. Ligule 1-1.3 mm. long, rays 2, fl(n-al 



glume 4.5-5 mm. long 38 



r. Ligule 2 mm. long, rays 2-3, floral glume 



3.7-4 mm. long 35 



r. Ligule 2-2.5 mm. long, rays 1-5, floral 



glume 3.2-4 mm. long 3(> 



r. Ligule 2-2.5 mm. long, rays 1-5, floral 



glume 3.2-4 mm. long 39 



