97- GRAMINE^. 383 



equal, exceeding the flower. Pales coriaceous, unequal, 

 closely investing the fruit. Rudimentary fl. 1 2, scale- 

 like. 



8. ANTHOXANTHUM. Gl. 2, unequal, membranous ; lower 

 small, 1 -veined; upper exceeding the fl., 3-vemed. Pales 

 scarious. Stam. 2. Rudimentary fl. 2, scalelike, bifid, 

 awned on the back. 



9. HIEROCHLOB. Gl. 2, nearly equal, membranous, about 

 equalling the spikelet. Fl. 3 ; 2 lower male, 3-androus, 

 upper pale with 2 keels ; upper perfect, 2-androus, upper 

 pale with 1 keel. 



Tr. IV. PHLEINE^E. Inflorescence dense, spikelike. Spike- 

 lets laterally compressed, 1 -flowered or with & superior rudi- 

 ment. Gl. nearly equal, covering the flowers. Styles long. 

 Stigmas filiform. 



10. PHLEUM. Gl. compressed, keeled, parallel at the midrib, 

 truncate, with a terminal seta, or acute. FL 1. Pales 2, 

 membranous ; lower 3-veined, obtuse, without awns, or with 

 a minute central point. 



11. ALOPECURUS. Gl. compressed, connate below, mem- 

 branous, awnless. Fl. 1. Pale 1, scarious, 5-veined, awned 

 on the back. 



Tr. V. SESLERIE^E. Panicle spikelike. Spikelets laterally 

 compressed, with 2 or more flowers. Styles or very short. 

 Stigmas very long, filiform. 



12. SESLERIA. Spikelets sessile, tiled all round. Gl. 2 6- 

 flowered, nearly or quite equalling the spikelet. Lower 

 pale keeled, membranous, with a scarious margin, ending 



in 3 or 5 points ; dorsal rib excurrent. 



* 



Tr; VI. NARDE^E. Spikelets sessile in hollows of the rachis, 

 1 -flowered. Gl. 0. Style short. Stigma filiform. 



13. NARDUS. Spikelets in 2 rows on one side of the rachis. 

 Lower pale keeled, tapering into a subulate point. Stigmas 

 long. 



Suborder II. EURYANTHE^G. 



Flowers open. Styles short. Stigmas protruded at the 

 bottom of the flower. 



* Inflorescence panicled or racemose. 

 Tr. VII. ORYZE^E. Spikelets laterally compressed, 1 -flowered. 



