MANUAL OF THE GRASSES OF THE UNITED STATES 



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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 



Figure 210.— Distribution of Poa leptocoma. 



Figube 211.— Poa paludigena. Panicle, X 1; 

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



Figure 213.— Poa bulbosa, X 1. 

 (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. % — 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.) Culms 

 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, 



