CARBI. 397 



nut obovoid, st. smootli about equalling the leaves. — ^. B. 927. 

 Sehh. Hh. 95. H. a. 5. R. 199.— St. 2—3 in. high, usually 

 recurved so as to bring the large head down to the ground. 

 Beak of fr. usually rather roua-h. — Sandy shores of the North. 

 P. VI. fa J' ^g 



9. C. divisa CHuds.) ; spikelets in a somewhat ovate head, /r. 

 plane-convex ovoid many-veined, heah acutely hijid with finely 

 serrate edges, nut broatlly oblong, gl. with an exourrent rib, st. 

 7-oughish at the top. — E. B. 1096. — St. slender, a foot high. 

 Lowermost bract (brown) scarious, often prolonged into a slen- 

 der green point sometimes overtopping the spike. Fr. veined 

 on both sides. Spike often interrupted below. — Near the sea 

 on the Southern and Eastern coasts. P. V. VI. E. I. 



XX Ccsspitose. Spike simply compound. Fr. squarrose, not 

 gibhous. 



10. C. vulpina (L.) ; spikelets compmtnd in a cylindrical oblong 

 crowded spike, fr. ovoid-acuminate plane-convex veined, beak 

 bifid finely serrate, nut ovoid or oval with a beak constricted at 

 the base, gl. mucronate shorter than the fruit, st. triquetrous 

 with rough angles, bracts setaceous. — E. B. 307. Schk. 0. 10. 

 JB. 217. — Height 2 feet. St. firm. L. broad. Fr. palish green. 

 Spikelets greenish, bracts long, in shady places. R. 216. — 

 Wet places. P. VI. E. S. I. 



11. C. muricdta (L.) ; spikelets contiguous, spike oblong dense 

 or interrupted below, fr. ovoid-acuminate plane-convex ob- 

 scurely veined hi&i finely serrate upper spreading, nut ovoid its 

 beak extremely short, gl. mucronate shorter than the fruit, st. 

 triquetrous with rough angles. — E. B. 1097. Ji. 215.— Height 

 1 — 2 feet. St. slender but strong. L. narrow. Lowermost 

 spikelets not more than their own length distant from each 

 other. Fr. much larger than that of Sp. 12, with a broad flat 

 beak with very sharp edges. — Gravelly pastures. P. VI. E. S. I. 



12. C. divid'sa (Good.) ; spikelets distant the upper ones nearer 

 together, fr. ovoid acute plane-convex obscurely veined bifid 

 smooth ascending, beak roughish at the edges, nut ovoid-oblong 

 compressed its beak extremely short, gl. mucronate shorter than 

 the fruit, st. triquetrous with rough angles above, bracts seta- 

 ceous.— k B. 629. Schk. Dd. & Ww. 89. H. a. 16. R. 220.— 

 Ueio-ht 1 — 2 feet. St. lax, slender, fiaccid. Spikelets greyish, 

 usually distant, 1 or 2 lowest often lengthened into a short 

 branch. Fr. with a thick green margin slightly rough near the 

 top. — Moist shady places. P. VI. E. I. 



