Juncellus. | CLXXIL OYPERACEE. (C. B. Clarke.) 597 
linear-lanceolate red scabrous crest. Style slender, hardly as long as nut ; branches 
shortly exsert. Nut plano- or concavo-convex, top obtuse. 
Var. f. junciformis; rigid, spikelets 1-6 rigid sbining chestnut or black. C. 
distachyos, All. Fl. Peien. Auctuar. 48, t. 2, fig. 5; Boiss. Fl. Orient. v. 367. C. 
junciformis, Desfont. Fl. Atlant. i. 42, t. 7, fig. 1; Boiss. l.c. C. lævigatus, var. 
Jumciformis, C, B. Clarke in Journ. Linn. Soc. xxi. 79. 
Peshawur; Stewart. Sind; Stocks.—DisrRIB. Oriental. 
4. CYPERUS, Linn. 
Stem erect, simple, leafy only near base. Inflorescence umbellate or 
tapitate, _Spikelets linear ‘or oblong, compressed; rhacheola persistent. 
umes distichous, 2 lowest empty, 4—oo succeeding bisexual seriatim de- 
tiduons, uppermost 1-3 sterile or empty. Stamens 3-2, rarely 1; anther 
ĉar or oblong, sometimes crested. Nut triquetrous, trigonous or plano- 
convex, plane face flat against rhacheola; style-base continuous with nut, 
It tumid, branches 3 linear (occasionally 2 in upper fl. of C. stoloniferus, 
and in O, Cephalotes).—Species 300, all warm and temperate regions. 
Subgenus I. Axosronuw (Genus), Nees in Linnea, ix. 287. Style long, 
pulivided or obscurely 3-2-toothed. Hydroschoenus, Moritzi Verz. Zoll.. 
Trentepohlia, Boeck. in Bot. Zeit. xvi. 249.—(Sp. 1). 
of Le Cephalotes, Vahl Enum. ii. 311; leaves and bracts long, infl. 
one compound dense head, nut stipitate below corky. Kunth Enum. ii. 
PM Mig. Fl. Ind. Bat. iii. 271; C. B. Clarke in Journ. Linn. Soc. xxi. 25, 
>t. 1, figs. 1-6, o monocephalus, Roch Fl. Ind. i. 188. C. Hookerianus, 
- Enum. 342 (not of Arn.). C. leucocephalus, Wight ms. (not of Retz). 
, natans, Ham. ms. C. dubius, Rottler in Neue Schr. Gesell. Freunde 
287 iv 193, in Obs. Anosporum monocephalum, Nees in Linnea, 1x. 
m d in Wight Contrib. 92; Grif. Notul. iii. 103; Boeck. in Linnea, 
H d 411. A. Cephalotes, Kurz in Journ. As. Soc. Beng. xlv. pt. 2, p. 159. 
y? schoenus kyllingioides, Zoll. & Mor. ms.; Moritzi Verz. Zoll. PA. 
414. L. c. 296. Trentepohlia bifoliata. Boeck. in Bot. Zeit. xvi. 249. 
piseia monocephala, Nees ms.—Kyllinga, Wall. Cat. 3441 (mainly). 
de Hort, Mal. xii. t. 53. 
qur. BENGAL to Mapras and BurMa.—Disrers. China, Malaya, Austral. 
long la Tous, floating in tanks; stolons slender. Stems 4-16 in. Leaves 2-5, as 
iam 2. Siem, 2 in. broad. Bracts 3-5 up to 4-8 in., leaf-like. Heads A-Z in. 
thachiy Spikelets 10-70, 4-4 by i in. compressed, rigid, often bent, 10-36-fid. ; 
tha la stout, persistent, angular, hardly winged. Glwmes closely packed, boat- 
broadly, 7862, more or less marked with red or chestnut. Stamens 3-2; filaments 
ovoid y ligulate; anthers large, linear-oblong, muticous. Nut 3 length of glume, 
linear unequally trigonous (i. e. somewhat plano-convex) passing gradually into t e 
dry Style 3 length of nut.—In the Cyperacee which float in tanks that are never 
ena] à corky thickening of the cells especially towards the lower angles of the nut 
tank, them to float, and hence vegetate among the rotting surface vegetation of the 
Subgenus II bellate throughout or 
; . PycynosracHys. Inflorescence umbellate gho 
notato; Spikelets digitate or clustered, not spicate. Style-bra nches linear, 
Y linear-lanceolate. (Sp. 2-26.) 
eet. l. Natantes. Style-branches linear-lanceolate. Nut corky below. 
ank floaters. (Sp. 2.) 
