97, GRAMINEA, 375 
termediate broad point sometimes becoming the base of a 
kneed awn. 
Tr. XI, FESTUCE. Spikelets with 2 or wore flowers, upper 
often barren. Glumes falling short of the lowest flower. 
Styles very short. Stigmas protruded from the base of the 
flower. 
31. Kazteria. Glumes unequal, upper one with 2 or 3 ribs, 
shorter than the compressed 2—5-flowered spikelet. Outer 
pale nerved, keeled, acuminate (or with a straight subapicular 
seta). Seed loose. Styles terminal. 
32. Muxtca. Glumes nearly equal, with lateral ribs, nearly 
as long as the ovate spikelet of 1 or 2 flowers rounded on the 
back and a clublike rudiment of ] or 2 more. ‘Pales harden- 
ing on the loose fruit. Styles terminal. 
33. Mouinia. Glumes unequal, without lateral ribs, shorter 
than the lanceolate spikelet of 2 or 3 semicylindrical flowers 
and a subulate rudiment of another. Pales hardening on 
the loose fruit. Styles terminal. 
34. CaraBrosa. Glumes unequal, very short, rounded or 
truncate, without lateral ribs, much falling short of spikelet. 
Flowers usually 2, rounded on the back, distant. Outer 
pale membranous, with 3 parallel ribs ending in teeth which 
do not quite extend to the summit and are connected by the 
scarious margin. Styles terminal.—The upper glume has 2 
very short faint lateral nerves. Awn 0. 
35. Poa. Glumes rather unequal. Outer pale with 3 or 5 
parallel nerves, membranous below, scarious at the tip, com- 
pressed, keeled, unarmed. Styles terminal. 
36. Giycerta. Glumes unequal, submembranous. Outer 
pale with 6—7 strong prominent distinct and parallel ribs 
and a scarious margin, subcylindrical, unarmed. Styles 
terminal. 
37. ScteRocHLOA. Glumes unequal, membranous. Outer 
pale with 5 faint but distinct and parallel 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. Fl. 3—8, 
densely imbricated in a short distichous spikelet. Outer 
pale boatshaped, heartshaped, obtuse, rounded on the back, 
unarmed. Glumes and pales membranous with a scarious 
margin. Styles terminal. “Fr. free.” (Woods.)—Outer 
pale with 7—9 faint nerves. 
39. Cynosurus. Glumes nearly equal, scarious, with a strong 
