CYPERACE^!. 
337 
shorter than the fruit, st. smooth with rough angles above, bracts 
short setaceous.— E. B. 629. Schk. Dd. and Ww. 89. //. a. 16. 
— Height 1 — 2 feet. More slender than the preceding. Spike- 
lets grayish, usually distant, 1 or 2 of the lowest are occasionally 
lengthened into a short branch. Fr. with a thick green margin 
which is slightly rough near the summit. Difficult to charac- 
terize, but I believe quite distinct from the preceding. — Moist 
shady places. P. VI. 
J 3. C. teretiuscula (Good.) ; spike compound oblong, spikelets 
densely aggregated, fr. ovate-gibbous with 3 — 4 central nerves on 
the convex side : beak bidentate serrulate subtriquetrous winged 
on the convex side, nut turbinate convex on both sides : beak ex- 
tremely short, style not thickened at the base, st. trigonous 
and scabrous above with convex faces. — E. B. 1065. Schk. D. 19- 
T. 69- //. a. 9- — Root forming scattered simple tufts not truly 
creeping. St. 1 — 2 feet high, slender. — Boggy meadows, rare. 
P. VI. 
14. C. paradoxa (Willd.) ; spikes narrowly panicled lower 
branches rather distant, fr. ovate gibbous with numerous short 
elevated ribs near its base : beak bidentate serrulate with no wing 
on its convex side, nut rhomboidal constricted below convex on 
both sides without a beak, style slightly enlarged at the base, st. 
trigonous and scabrous in the upper part with convex faces. — 
Schk. E. 21. //. a 12.— Root " densely tufted." St. 1—2 feet 
high, slender. — In a boggy wood at Ladiston near Mullingar. 
Mr. D. Moore. P. VII. I. 
15. C. paniculafa (L.) ; spikes panicled with elongate diverging 
branches, fr. ovate gibbous obscurely many-nerved with a bidentate 
scabrous triangular beak, nut ovate obtuse narrowed below com- 
pressed-triquetrous : beak slightly thickened upwards, st. trique- 
trous with fat faces— E. B. 1064. Schk. D. 20. Ttt. 163. H. a. 
19- — Root tufted. St. stout, 2 — 3 feet high. Panicle usually 
large and spreading but occasionally reduced to a slender com- 
pound (or even simple) spike. Bracts all much shorter than the 
spike. — Bogs. P. VI. 
** Spikelets sterile at their base. 
16. C. boenninghausiana (Weihe) ; spikelets several upper ones 
simple crowded lower distant composed of alternate spicule, fr. lan- 
ceolate plano-convex tapering into an almost entire beak strongly 
serrated from below the middle, (nut obovate-elliptical pointed :) 
glumes equalling the fruit, root tufted, lower bract as long as, or 
longer than the spike. — H. a. 34. Kunze Suppl. Schk. 22.— St. 
1 — 2 feet high, triangular with slightly convex faces and rough 
edges. Rachis straight with 3 rough edges. Glumes ovate, 
membranous, silvery brown ; midrib faint, not reaching the point. 
Lower spikelets composed of spicule disposed alternately in the 
Q 
