108 54. Poa. 10. GRAMINEiE. Plend.pk. 



16. Poa avgustiforia. Narrow-leoved meadoii'-grass. 

 Panicle pyraniidical, very spreading ; locustce ovate, 3 or 



4-flowered, slightly coloured; radical leaves very long, 

 slender, roughish; culm and sheaths smooth; ligula short, 

 truncated ; rooi creeping. 



Poa angtisti folia, Lin. S. P. 99. 



Poa piateuse an^ustifolia, Gaud. Jgr. /7e?y. 214. 



Poa pratense B, Smith Flor. Brit. 105. 



Fields and meadows ; perennial ; May and June. 



Culm erect, smooth, 18 inches high; radical leaves 2 or 

 S-bundled, flat, very slender, long; ste77i leaves short, broad, 

 both light green; panicle becoming divaricated, smaller 

 than poa pratensis ; spathelle green, or green and white. 



1 7. Poa strigosa. Stiff" me adoiv- grass. 

 Panicle contracted, almost spike-shaped ; locusta: ovate, 



S-flowered, coloured ; leaves slender, glaucous, becoming 

 convolute ; sheath and culm smooth ; ligula short, trun- 

 cated; root creeping. 



Poa strigosa, Iloff. Germ. 111,44. 



Poa angustifolia, Poinet End. Meth. .5, 72. 



Poa pratensis strigosa, Gaud. Jgros. Helv. 214. 



Dry sandy places ; perennial; May, June. 

 Culm '6 feet high ; radical leaves very slender, setaceous, 

 involute ; culm broad, involute, all glaucous ; panicle 



18. Poa humilis. ' Dwarf meadow-grass. 



Panicle diffused; locustcE ovate, 3-fiowered, glaucous; 

 leaves flat, expanding, glaucous, smooth ; shcaihs and culms 

 smooth, glaucous ; ligula short, truncated ; root creeping ; 

 glumes acute. 



Poa hnrailis, Ehr. Gram. 115. 



Poa subrserulea, Eng. Bot. 1004. 



Poa c;eriilea, Knapp. 1 IS. 



Poa pratetijit! alpiiui, HiuJs. Fl. ylng. 39. 



Poa alpina y, Willd. Sp. PL 1,386. 



Mountainous pastures; perenial; June. 



Plant glaucous, purple; culm 8 in. high, ascending, 

 naked above ; leaves short, straight ; sheaths long, com- 

 pressed ; locustce broad, ovate ; spa/helles green, apex, 

 purple; glumelles white, purple, and green. 



