239 



Fig. 535. Poa debilis Torr. Fl. N. Y. 2 : 459. 1843. Slender 

 Spear-grass. — A slender, erect, smooth perennial 3 to 7 dm. nigh, 

 with rather short, flat leaves and nodding, few-flowered, open 

 panicles 4 to 12 cm. long. Spikelets 3 to 4 mm. long, 2- to 4- 

 flowered with unequal, acute empty glumes (a), broadly obtuse 

 and scarious-tipped flowering glumes which are conspicuously 

 webbed at the base, — In rocky woodlands, Nova Scotia and New 

 Brunswick, southward to Pennsylvania and westward to Mmue 

 sota. May-July. 



