112 
TRIANDRIA. MONOGYNIA. Carex. 
29. C. distans. Lower sheath inclosing about half the fruit-stalk ; upper 
ones nearly the whole; spikes oblong, very far asunder; capsules 
acute. 
30. C.pani'cea. Lower sheath inclosing about half the fruit-stalk; upper 
ones nearly the whole ; spikes slender, upright^far asunder; capsules 
inflated, bluntish, rather distant. " 
31. C. capillaris. Sheaths inclosing half the fruit-stalk; fertile spikes ob¬ 
long, flaccid, pendent when ripe; fruit-stalk hair-like ; capsules 
tapering to a point. 
(32. C. Mielichoferi. Sheaths about half the length of the fruit-stalk ; fer¬ 
tile spikes distant, erect, lax; capsule triangular, with a short beak 
bifid at the point. E.) 
33. C. depaupera'ta. Sheaths inclosing less than half the fruit-stalk ; fertile 
spikes distant, few-flowered; capsules egg-shaped, inflated, beak- 
pointed. 
34. C. sylvat'ica. Sheaths short; spikes thread-shaped, flaccid, pendent; 
capsules egg-shaped, ending in an awn-like beak. 
35. C. recurva. Sheaths short; fertile spikes nearly cylindrical, pendent; 
capsules nearly globose, egg-shaped ; roots creeping. 
36. C. pallescens. Sheaths extremely short; fertile spikes rather cylindrical, 
pendent when in fruit; capsules oblong, blunt. 
37. C. limo'sa. Sheaths hardly any; fertile spikes egg-shaped, pendent; 
capsules egg-shaped, compressed; roots creeping. 
(38. C • rariflo'ra. Sheaths very short, almost none; fertile spikes very 
few-flowered, lax, pendulous; capsule inversely egg-shaped, ob¬ 
scurely three-sided; striated. E.) 
39. C. pseudo-cyperus. Sheaths hardly any; fertile spikes cylindrical, on 
fruit-stalks, pendent; capsules awn-beaked, rather diverging. 
(40. C. ustulata. Sheaths elongated, shorter than the flower-stalks ; fertile 
spikes ovate, pendulous; capsule elliptical, compressed, beaked, 
with rough edges. E.) 
41. C. atrata. Sheaths hardly any ; all the spikes with barren and fertile 
florets; upper spikes on fruit-stalks, when in fruit, pendent; cap¬ 
sules egg-shaped, rather pointed. 
(42. C. pid'la. Summits two ; sheaths none; spikes egg-shaped, the 
lower one stalked; fruit elliptical, inflated, with a short notched 
beak. E.) 
43. C> pihdif'era. Sheaths none; barren spike slender, fertile somewhat 
globular, sessile, crowded; straw feeble. 
(44. C. tomento'sa. Sheaths extremely short; fertile spikes nearly ses¬ 
sile, cylindrical, obtuse; glumes elliptical, acute; fruit downy. E.) 
45. C. ri'gida. Summits two; sheaths none ; spikes oblong, nearly sessile ; 
leaves rigid, bent. 
46. C. ccespito'sa. Summits two; sheaths none; spikes nearly sessile, 
cylindrical, blunt; leaves upright, soft. 
47. C. striata. Summits two; sheaths none; spikes nearly sessile, 
cylindrical, acute; fertile spikes mostly two; leaves upright, stiff, 
and straight. 
