CYPERACEiE. 
the edges of the bifid narrow beak, nut triquetrous roughish ob- 
long-eUiptical attenuated at both ends. — E. B. 1234. Schk. T. 
68. H. b. 42. — St. smooth, seldom exceeding a foot high, slender. 
Spikes distant, short, peduncles quite inclosed in the long sheath- 
ing bases of the bracts. Glumes brownish. Fr. greenish-brown. 
Nut yellowish. Barren spike cylindrical, clavate, with blunt 
glumes. — Marshy places near the sea, sometimes inland on dry 
ground. P. V. 
40. C. binervis (Sm.) ; fertile spikes remote the upper ones 
approximating cylindrical their peduncles mostly included the 
lower elongated with exserted peduncles, bracts with sheathing 
bases, glumes mucronate, fr. ovate triquetrous with 2 principal 
green submarginal rihs on the outer surface, beak broad bifid 
rough at the edges, nut obovate attenuated below roughish. — E. B. 
1235. Schk. Rrr. 160. H. b. 39.— St. triangular, smooth, 1—3 or 
4 feet high. Spike often very distinct ; peduncles (of the upper 
ones frequently quite included, never much exserted, of the lower 
often greatly exserted. Glumes dark purple, with a greenish 
yellow midrib. Fr. brown or deeply tinged with purple, with 2 
prominent ribs always green ; nut brown. Barren spike with 
brown glumes. — Dry heaths and moors. P. VI. VII. 
41. C. laevigata (Sm.) ; fertile spikes remote drooping cylin- 
drical their peduncles more or less exserted, bracts with sheath- 
ing bases, glumes acute, fr. ovate-attenuated striated with a long 
deeply bifid beak with glabrous edges, nut subpyriform attenuated 
below triangular smooth. — E. B. 1387- Schk. Bbb. 116. Sss. 162. 
H. b. 38. — St. smooth, 2 — 3 feet high. Spikes distant, droop- 
ing. Glumes often acute on the barren spike, always so on the 
others, purple with a paler dorsal longitudinal band. Fr. green ; 
nut yellowish. L. broad. — Marshes and wet thickets, rather 
rare. P. VI. 
42. C. panicea (L.) ; fertile spikes remote subcylindrical with 
distant ft. on exserted stalks, bracts leafy sheathing, glumes rather 
acute, fr. ovate- subglobose inflated with a short terete obliquely 
truncate beak, nut obovate-oblong bluntly trigonous with a cylin- 
drical beak.— E. B. 1505. Schk. LI. 100. H. b. 33.— St. 1—2 
feet high, erect, smooth. Fertile spikes about 2. Glumes ob- 
long, more or less acute, dark brown with a green keel and mem- 
branous pale margins. Barren spike always erect. Lowermost 
bract about as long as its spike, the rest shorter, sheaths close. 
- — Marshy places. P. VI. 
43. C. vaginata (Tausch !) ; fertile spikes remote with distant 
fl. on exserted stalks, bracts sheathing scarcely leafy, glumes 
bluntish,/) - . ovate triquetrous ylabrous with a short terete smooth 
obliquely truncate and ernaryinate beak, " nut elliptical triangular 
with a beak slightly thickened upwards." H. b. 17. Kunze Suppl. 
Schk. 15. C. phceostachya Sm. E. B. S. 2731.— St. 5—6 in. 
