98. sEAMnrE^. 419 



furrowed, adherino; to the pales. — Sheaths of the 1. scarcely 

 divided halfway down. Spikelets narrower upwards. 



B. Inflorescence spikelike ; bearing the spikelets in hollows of 

 the rachis. 



Ti-. Xn. HORBJEIEM. Spikelets solitary or 2 or 3 together, 

 suhsessile on opposite sides of a channnlled and toothed 

 jointed rachis. Uppermost fl. often barren. Style very 

 short. (Lateral spikelets o'ften stalked in Sordeum.) 



t Spikelets very shortly stalked or suhsessile. 



46. Brachypodittm. G1. opposite, unequal, many-flowered, 

 their edges towai-ds the rachis. Upper pale coarsely fringed 

 on the ribs. — The unequal gl. distinguish this from Tri- 

 ticum. 



tt Spikelets quite sessile. 



4. Glumes 2. 



46. Triticum. Spikelets solitary. Ql. opposite, nearly 

 equal, many-flowered, their edges towards the rachis. 

 Inner pale minutely ciliate on the rihs. 



47. Eltmus. Spikelets 2 or S together. Gl. 2, both on the 

 same side of the spikelet, without awns or bristles, with 2 

 or more perfect flowers. 



48. HoRDBtTM. Spikelets in threes, often partially barren. 

 61. 2, ending in long bristles ; 1 perfect flower and a stalk- 

 like rudiment. 



49. Lepturtjs. Spikelets solitary, imbedded alternately on 

 opposite sides of the rachis. Gl. 1 — 2, both on the same 

 side of the spikelet, cartilaginous, covering the one fl. and 

 superior rudiment. Pales scarious. Stigmas feathery. 



Il Glume solitary, bractlike, or a very small upper one. 



50. LoLiuM. Spikelets solitary, placed edgewise on the rachis. 

 Gl. solitary, or that next the rachis very small, with 3 or 

 more flowers. 



Suborder I. Clisanthea. Tribe I. PanicerB. 

 1. Digita'eia Scop. 

 [D. sanguindlis (Scop.) ; 1. and sheaths hairy, fl. oblong-Ian- 



