98. GEiMUTE^. 409 



4.4-4- Lower pale truncate and denticulate at the tip. 



39. Catabeosa. G1. unequal, very short, 1-veined. Flowers 

 usually 2, rounded on the back, distant. Lower pale mem- 

 branous, with 3 veins ending in teeth which do not quite 

 extend to the edge of the scarious margia. Upper gl. often 

 with 2 short and faiat lateral veins. 



tt Lower pale with converging veins, all or 1 — 3 of which com- 

 bine in the awn. 



40. Cynosubtts. Gl. nearly equal, scarious, strongly keeled, 

 1- or more flowered. Lower pale rounded on the back with 

 a terminal bristle. Each spikelet with a comb-like bract at 

 its base. Panicle spikelike, 1-sided. Nut closely coated 

 with the pales. 



41. Dactylis. Gl. unequal, herbaceous, many-flowered; 

 lower keeled. Lower pale compressed, keeled, 5- veined; 

 dorsal vein fringed and eicurrent just below the tip as a 

 short awn. Spikelets crowded, subsecund. Nut fi'ee. 



42. Festuca. Gl. unequal, herbaceous, many-flowered. 

 Lower pale rounded on the back, very acute, or with the 

 dorsal vein excurrent at or just below the tip as a short awn ; 

 lateral veins slightly converging and vanishmg below the tip. 

 Upper pale minutely ciliate on the ribs. Styles terminal. 

 Nut furrowed, adhering to the pales. — Rachis with acute 

 angles. Sheaths of the leaves (uvided to the base. 



43. BaoMus. Gl. unequal, herbaceous, many-flowered ; lower 

 1-veined, upper 3 — 6-vemed. Fl. lanceolate, compressed. 

 Lower pale with a long awn, (usually) founded on 3 veins, 

 from below the tip. Styles below the top of the ovary. Nut 

 furrowed, adhering to the pales. — Sheaths of the 1. divided 

 halfway down. 



44. Sebbafalcus. Gl. unequal, herbaceous, many-flowered, 

 lower 3 — b-eeined, uppei' 7^'Q-veined. Fl. oblong, turgid. 

 Lower pale with a short awn, (usually) founded on 8 veins, 

 from below the tip. Styles below the top of the ovary. Xut 

 furrowed, adhering to the pales. — Sheaths of the 1. scarcely 

 divided halfway down. Spikelets narrower upwards. 



B. In/iorescence spikelike ; bearing the spikelets in hollows of 

 the rachis. 



It. Xn. MOMDUIH-K Spikelets solitary or 2 or 3 together, 

 subsessile on opposite sides of a channelled and toothed 

 jointed rachis. Uppermost fl. often barren. Style very 

 short. (Lateral spikelets often stalled in Sordeum.) 



