The Grasses of Tennessee. 



83 



Fig. 



Fig. as. 

 Paspahun dilatatiim, Poir. — A^ a portion of the inflor- 

 escence. There are two one-sided or unilateral racemes; the 

 spikelets are on short pedicels, and crowded so that they are 

 somewhat imbricated, as illustrated. B, a single spikelet with its 

 pedicel. C, empty glume. D, flowering glume. E, palet, with 

 prolonged incurved edges. 



Fig. 38. Elymiis }'iroimcus, L. (After Gray). — B,B, spikelets 

 somewhat grown together at the base. C, empty glumes of one of 

 the spikelets, above which are the florets; the axis to which the 

 florets are attached is the rachilla. The terminal floret is smaller 

 than the others and sterile. Z>, (lowest figure) flowering glume, 

 which is awned from the point. E, palet. Between the glume 

 and palet is the flower. 



