92. GUAMINK-E. 
a 
37’> 
.■<-1. Catabrosa. Glumes very sliort, roumled or 
truncate, without lateral ribs, umeh shorter than the spike- 
let. Flowers usually 2, rounded on the back, distant. 
Outer ]>ale membranous, with 3 parallel ribs ending' in teeth 
which do not quite extend to the summit and are eonneeted 
by the searious mari^in. Styles terminal. — The upper glume 
has 2 very short faint lateral nerves. Awn 0. 
33. PoA. Glumes rather unequal. Outer jmle ivith 3 or 5 
parallel nerves, memhranous below, searious at the tip, com- 
pressed, keeled, unarmed. Styles terminal. 
3(5. Glyceria. Glumes unequal, submembranous. Outer 
pale ivith 5 — 7 strong prominent distinct and ])arallcl ribs 
and a searious margin, subcylindrical, unarmed. Styles 
terminal. 
3/. ScLEROCHLOA. Glumes unequal, membranous. Outei- 
pale with 5 faint but (hstinct and ])arallel nerves, membra- 
nous, cylindrical below, unarmed, often keeled at the tip or 
with a very minute mucro. Styles terminal. 
38. Briza. Glumes nearly equal, broad, 3-ribbed. FI. 3 — 8, 
densely imbricated in a short chstichous spikelet. Outer 
l)ale navicular, hcartshaped, obtuse, rounded on the back, 
unarmed. Glumes and pales membranous w ith a searious 
margin. Styles terminal. “^Fr. free.” (H^oods.) — Outer 
])ale with 7 — 9 faint nerves. 
39. Cynosurus. Glumes nearly equal, searious, with a strong 
keel, with 1 or more flow'ers. Outer pale rounded on the 
back with a terminal seta. Each spikelet with a pectinated 
bract (abortive spicula) at its base. Panicle spicate, 1-sided. 
40. Dactylis. Glumes unequal, herbaceous, many-flowered, 
the larger keeled. Outer pale compressed, keeled, 5-nerved, 
the dorsal nerve fringed and excurrent just below' the summit 
foiming a short seta, Spikelets crowded, subsecund. 
41. Festuca. Glumes unequal, herbaceous, many-flowered. 
Outer pale rounded on the back, very acute, or with the 
dorsal nerve excurrent at or just below the apex (if elongated 
usually called an awn), lateral nerves slightly converging 
and vanishing below the apex. Inner pale minutely cihated 
on the ribs. Styles terminal. — Rachis with acute angles. 
Sheaths of the leaves divided to the base. 
42. Bromus. Glumes unequal, herbaceous, many-flowered, 
lower 1-nerved, upper 3 — 5-nerved. FI. lanceolate, com- 
pressed. Outer pale with a long seta (usually) founded on 
3 nerves from below the tip. Styles below the summit of 
the fruit, lateral, — Sheaths of the 1. divided half-way dow'n. 
