6 
Hairs of valve whitish, about 2 mm. 
long; leaf-blades about 60 cm. 
long, very hard, quite smooth, 
oval in cross-section and tightly 
complicate : 
Glumes about 0°9cm. long, acute, 
usually yellowish brown; 
Glumes 1-7-1-8 cm. long, acumi- 
nate, white, hyaline; valve 
1-2 cm. lon 
Hairs of valve fulvous} moti over 
1 mm. long;. leaf- blades usually 
much shorter than in the pre- 
ceding species, loosely convo- 
lute and rather soft, smooth 
or very finely ee nerens; 
lumes 1-1—1-3 em. long- 
Valve scantily hairy, glabrescent or 
scaberulous towards the tip, lobes 
glabrous; glumes 1-3-1-4 
long; blades setaceous, flexuous - 
IV. Falcatae. 
Glumes i ie _em. long, finely scabrid 
all o 
Base of a bulbous and woolly; 
leaf-blades scabrid, flexuose to 
cirrhiform, with a marked 
dorsal sclerenchymatic hypo- 
derma; awn up to 10cm. long - 
Base of stem neither bulbous nor 
woolly; awn much shorter : 
Leaf-blades smooth or scaberulous; 
awn up to 7 em. long s 
Leaf-blades very scabrid; awn 
4-5-5 em. long - 
Glumes 0-7-1-4 cm. long, smooth: 
*Ligule not over 1 mm. long, 
usually represented only by a 
ciliate rim 
a slender and delicate up to 
em. high, the basal sheaths 
ne short, 1-3 (rarely 4) cm. 
ong : 
Glumes I- 1-1-4 cm. long, entire; 
leaf-blades szabrid or hairy : 
4. juncifolia. 
5. teretifolia. 
6. flavescens. 
7. oligostachya, 
8. ertopus. 
9. tenurfolia. 
10. leptophylla. 
