354 96. CYPERACES. 
ascending ovate many-nerved angles rough near the summit, nut 
roundish oval, st. and 1. smooth, root creeping.— E. B. 543. Schk. 
A.l. H.a. 1. R.194.—About 6 in. high. Sometimes the male 
spike has a single fruit at its base.—Spongy bogs. P. V. VI. 
2. C. Davalliana (Sm.); fr. deflered ovate-lanceolate ribbed 
angles rough near the summit, nut “ linear-oblong,” st. and mar- 
gins of the 1. rough, root fibrous —B. B. 2123. Schk. A. 2. W.2. 
Ha, 2. R. 194.—About 6 in. high —Lansdown near Bath, now 
lost by drainage. P. VI. E. 
** Androgynous. Stigmas 2. 
3. C. pulicaris (L.); upper half of spike barren, fr. remote at 
length deflewed oblong narrowed at both ends compressed, nut ob- 
long-obovate, gl. deciduous — FE. B. 1051. Schk, A. 3. H. a. 3. 
R. 195.—St. slender, 6—12 in. or more in height, erect, smooth. 
L. slender, erect, smooth. Fr. dark brown.—Bogs. P. VI. 
*** Androgynous. Stigmas 3. 
4. C. rupestris (All.); spike with the upper half barren, fr. 
obovate triquetrous with a very shért beak adpressed scarcely 
longer than the persistent gl., “nut obovate acutely triquetrous.” 
—E. B.S. 2814. H.b.4. R.198.—St. 3—6 in. high, acutely tri- 
angular, rough upwards. J. flat ending in a tortuous rough 
slender triangular point. Gl. fuscous. Fr. paler.—Lofty moun- 
tains. P. VII. 8. 
5. C. pauciflora (Lightf.); spike with 1—3 terminal barren 
florets, fr. 2—4 lanceolate-subulate terete patent or reflexed longer 
than the deciduous gl., nut linear-oblong obtusely trigonous. 
—E. B. 2041. Schk.A.4. H.b.1. R.196.—St. usually about 5 
inches high, slender. L. 2 or 3, much shorter than the stem. 
Fr. pale yellow, striated—Bogs. Scotland. Northumberland, 
P. VI. VII. E. 8, 
ii. Homostachye. Spikelets androgynous in a compound con- 
tinuous or interrupted spike. Stigmas 2. 
* Spikelets sterile at the end.—t Rhizome far-creeping. 
6. C. incurva (Lightf.); spikelets collected into a roundish 
head, fr. inflated broadly ovate acuminate-rostrate, beak smooth 
obliquely truncate, nut obovate compressed, st. smooth about as 
long as the leaves.— EH. B.927. Schk. Hh. 95. H.a.5. R.199.— 
Root creeping extensively. St. 2—3 in. high, usually recurved so 
as to bring the large head down to the ground. Beak of fr. occa- 
sionally rather scabrous.—Sandy shores of the north. P. VI. S. 
7. C.divisa (Huds.) ; spikelets collected into a somewhat ovate 
head, fr. plane-convex ovate many-nerved, beak acutely bifid with 
