HOW TO KNOW THE GRASSES 



35b. Lemmas 1.8 — 2.2 mm. long; larger leaf blades 2 — 3 mm. wide. 

 Fig. 71. 



Eragrostis intermedia Hitch. 



Perennial; tufted; reaching nearly 

 a meter in height. This species has 

 an open, dome-shaped panicle with 

 slender delicate branchlets. The leaf 

 blades are narrow, involute, and 

 drawn out to slender tips; sheaths 

 glabrous or the lower ones some- 

 what hairy. Dry sandy open ground. 

 June — September. 



Figure 71 



36a. Plants perennial, usually 50—150 cm. tail, forming large clumps 

 from hard, knotty bases; basal buds of next years growth present 

 at flowering time go back to 27 



36b. Plants annual, usually less than 50 cm. tall, from soft, shallow- 

 rooted bases; no basal buds present at flowering time 37 



37a. Spikelets with 2—4 (rarely 5) florets 38 



37b. Spikelets with 6 — many florets (rarely 5 in starved plants) 39 



39 



