98. GRAMINE^B. 477 



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

 lets laterally compressed, \-flowered or with a 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, blunt, without awns, or 

 with a minute central point. 



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

 nous, 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, imbricate 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. 



B. Spikelets sessile in hollows of the rachis. 



Tr. VI. NARDEJE. Spikelets 1-flowered. Gl. 0. Style short. 

 Stigmas filiform. 



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

 Lower pale keeled, tapering into a subulate point. Stig- 

 mas long. 



Suborder II. EUP.Y ANTHER. 



Flowers open. Style short. Stigmas protruded near to the 

 bottom of the flower. 



A. Inflorescence paniclcd or racemose ; rachis without lateral 

 excavations. 



Tr. VII. ORYZEJE. Spikelets laterally compressed, 1-flowered. 

 Glumes 0. Stigmas feathery. Pales enclosing but free 

 from the nut. Pales opening only slightly. 



14. HOMALOCENCHRUS. Pales 2, like parchment, compressed 

 keeled, awnless ; lower much broader. 



