67. 
3. Spikes drooping on filiform peduncles; leaf 
blades hispidulous on the veins, 2-12 mm. 
wide, those of the fertile culms moderately 
smaller than those of the sterile. 
4. Staminate spikes sessile or subsessile, 
inconspicuous; pistillate ones close to- 
gether; lowest bract exceeding the inflor- 
escence. Expected (C. abscondita). 
4. Staminate spikes peduncled, conspicuous; 
pistillate ones scattered; lowest bract 
not exceeding the inflorescence. 
5. Pistillate spikes without a staminate 
flower at the base; leaf-blades 2-5 mm. 
wide, erect, GreEeN..ssceccccrecesecssesee C. digitalis 
5. Pistillate spikes with 1 or 2 staminate 
flowers at the base; leaf-blades 5-12 mn. 
wide, weak, glaucous-green. Expected 
(C. laxiculmis). 
2. Perigynia obtusely triangular at least below, 
long-tapering at the base. 
6. Bract-sheaths entire or slightly serrulate on 
the edges. Expected (C. styloflexa, 
iG. Maxifiliora)) < 
6. Bract-sheaths strongly serrulate on the edges. 
7. Sterile shoots reduced to tufts of leaves, 
not forming culms; leaf-blades 7-30 mn. 
wide; pistillate scales broadly obovate- 
orbicular. Expected (C. albursina). 
7. Sterile shoots forming conspicuous culms; 
leaf-blades 3-12 mm. wide; pistillate scales 
mucronate to long-awned. 
8. Culms not red-tinged at base; lower 
pistillate spikes not on long capillary 
peduncles; staminate scales usually 
greenish white or slightly reddish 
brown; staminate spike sessile or very 
short-peduncled; perigynia obovoid, 
3-4 mm. Longe... ceecescscccesceesecceee C. blanda 
