48 
32. Carex. 9. CYPERACEiE. 
PL end . ph , 
11. Carex arenaria. Sand carex, 
Spikelets alternate, crowded ; upper spikelets male, the 
intermediate ones female or androgynous ; lower spikelets 
female; fruit ovate, margined, apex two-cut, ciliated, ser- 
rate, curved ; leaves rolled in at their edge ; root creeping. 
Gramen cyperoides, q. Gramini cj-peroidi ex monte Ballon simile hir- 
milius, in maritimis et arenosis nascens Plukenet. Rail Syn. 423, spic. 5. 
Carex arenaria, Lin. S. P. 1381. 
Shores of the sea ; perennial ; June. 
Root very long; culm 18 in. long, bent, naked; leaves 
in tufts ; sheaths dry, brown ; spike ovate, compressed, 
two-rowed,; upper spikelets crowded; Iractece lanceolate, 
scariose, the lower ones having a leafy point ; glumes 
acute, yellowish, brown ; fruit lanceolate, acute, winged, 
margin rough. 
12. Carex Witheringii, Withering' s carex . 
Spikelets alternate, crowded, upper male, lower female, 
intermediate female or androgynous ; fruit ovate, apex 
two-cut, margined, margin serrated, ciliated yculm upright; 
leaves channelled ; root fibrous. 
Carex arenaria 2. Withering 125. 
Sands on the sea-shores; perennial ; June. 
Root not creeping ; culm 5 in. high, naked, sheathed at 
the base ; leaves slender, acute, channelled, not so long as 
the culm ; Iractece leafy, acute, slender, semi-amplexicaule ; 
spike two-rowed, lanceolate ; spikelets sessile, acute ; glume 
lanceolate, yellow, with a green rib ending in an awn. 
13. Carex muricata. Thorn carex . 
Spikelets ovate; upper spikelets male, close ; fruit di- 
verging, horizontal, ovate, plano-convex, apex two-toothed, 
margined at the base, margin ciliated, serrated ; leaves 
narrow ; root fibrous. 
Gramen cyperoides spicatum minus, Raii Syn. 424, spic. 9. 
Carex muricata, Lin. S. P. 1382. 
Carex canescens. Leers FI. Herb. 712. 
Carex spicata, Hudson FI. Ang. 406. 
Woods and moist meadows ; perennial ; May and June, 
Culm upright, 18 in. high, 8-sided, sides flat, angles 
acute, rough; leaves narrow, keeled; spike branched, oblong, 
cylindrical, 6 to 8-parted ; spikelets 8 or 10, roundish; 
Iractece ovate, scariose, keeled, bristly at the end ; glume 
ferruginous, with the margin and keel greenish. 
(3. gracilis . Spike slender, compound ; culm rather 
mooth. 
