MANUAL OF THE GRASSES OF THE UNITED STATES 123 



35. Poa bulbosa L. BULBOUS BLUEGRASS. (Fig. 213.) Culms 

 densely tufted, more or less bulbous at base, 30 to 60 cm tall; blades 

 flat or loosely involute, 1 to 2 mm wide; panicle ovoid, mostly 5 to 

 8 cm long, somewhat contracted, the branches ascending or appressed, 

 some floriferous to base; spikelets mostly proliferous, the florets 

 converted into bulblets; bulblets with a dark purple base (about 

 2 mm long), the bracts extending into slender green tips 5 to 15 mm 



FIGUBE 210. Distribution of Poa leptocoma. 



FIGURE 211. Poa paludigena. Panicle, X 1; 

 floret, X 10. (Eames and Wiegand 9250, N. Y.) 



FIGURE 213. Poa bulbosa, X 

 (Henderson 6136, Idaho.) 



FIGURE 212. Distribution of Poa paludigena. 



long; unaltered spikelets about 5-flowered; lemmas 2.5 mm long, 

 webbed at base, densely silky on the keel and marginal nerves, the 

 intermediate nerves faint. 21 Fields and meadows, Virginia and 

 North Carolina; North Dakota; Idaho to British Columbia, and 

 California; Utah; Oklahoma (fig. 214); introduced from Europe. 



36. Poa nemoralis L. WOOD BLUEGRASS. (Fig. 215.) Cuhns 

 tufted, 30 to 70 cm tall; ligule very short; blades rather lax, about 

 2 mm wide; panicle 4 to 10 cm long, the branches spreading; spikelets 

 2- to 5-flowered, 3 to 5 mm long; glumes narrow, sharply acuminate, 



