86 Bulletin V. 2. 



Fig. 41. Setaria glauca, Beauv. — Yellow Fox-tail. A, inflores- 

 cence, which is a bristly, cylindrical, spike-like panicle. BxL, 

 spikelet with an involucre of bristles. B, spikelet. Z>, flowering 

 glume. E, palet from which the feathery stigmas are protruding. 



Fig. 42. Muhlenbergia diffusa, ^chreb.^ above, Muhlenbergia sylvatica. 

 Torn, below. Upper B, spikelet of M. diffusa Upper C, empty 

 glumes of same; these are very small; the flowering glume is 

 terminated by a long, slender awn. B, (in lower part of Fig.) 

 spikelet of M. sylvatica; the empty glumes are slightly unequal, 

 the second a little longer than the flowering glume, which is long- 

 awmed from near the apex. Lower C, empty glumes. Z>, flowering 

 glume. E, palet. 



Fig. 43. Oryza saiiva. — Rice. A, a portion of the inflorescence. 

 B^ a spikelet, the flowering glume is ciliate on the back, like the 

 palet, and raised above the two small lower empty glumes on a short 

 pedicel. E, the flower showing the two lodicules at the base in 

 front; stamens six; styles, two, apparently terminal. 



Fig. 44. Anthoxanthum odoratum. — Sweet Vernal-grass. Figure 

 showing habit of growth. To the left is the upper portion of a 

 single stalk, showing more clearly the spike-like panicle. 



Fig. 45. Anthoxanthum odoratum L. — Sweet Vernal-grass. B, 

 spikelet. Ci, C2, two outer empty glumes; Cj and C4, two inner 

 bind or cleft and awned empty glumes attached to the rachilla at 

 the base of the floret, and at maturity they fall with it. Z>, the 

 flowering glume from which project two feathery stigmas, and the 

 two stamens with long versatile anthers. 



