92 Bulletin V. 2. 



Fig. 53. Bouteloua racemosa, Lag. — Tall Grama. A, a portion of 

 the inflorescence showing several of the short diverging or 

 deflexed, unilateral spikes. C, empty glumes of a spikelet. Z>, 

 flowering glume, which is three-toothed at apex. E, palet. O, 

 three-awned prolongation of the rachilla behind the palet. 



Fig. 54. Eragrostis minor, Yios>i. — Candy-grass. ^, spikelet, many 

 flowered. £>, flowering glume seen from the back. E, palet, ciliate 

 on the curved keels. G, lodicule. R, rachilla of the spikelet from 

 which the empty and flowering glumes have fallen, leaving the 

 persistent palets. 



Fig- 55- Uniola latifolia, L. — B, a spikelet which is about ten- 

 flowered. C, empty glume. Z>, flowering glume. E, palet. Within 

 D and E is the flower, consisting of a single stamen and the pistil, 

 which has two styles and two feathery stigmas. The flower, 

 together with the flowering glume and palet, we term the floret. 



Fig. 56. Cyfiodon Dactylon, Pers. — Bermuda-grass. A, inflores- 

 cence; there are five slender imilateral, diverging spikes all 

 springing from the apex of the stalk or culm; when the spikes arise 

 in this way they are termed digitate. Ai, a portion of one of the 

 spikes enlarged seen from the back. A2, the same seen in front. 

 ^, a single spikelet, which is one-flowered; the flrst glume is very 

 narrow and sharp-pointed, the second glume is very much broader 

 and rough along the keel. Above the narrow flrst glume is the 

 broad flowering glume, opposite to which is the palet. Behind the 

 palet there is usually a short bristle-like prolongation of the 

 rachilla, not shown in figure. 



Fig. 57. Briza viaxima, L. — Quaking-grass. A, a portion of the 

 inflorescence showing three of the large, ovate, many-flowered 

 spikelets. D, flowering glume seen from the side. C, empty 

 glume. E, palet. 



