886 
Cyperace®. 
604. Scirpus. Scirpus. Ill, 77. 
1. Stem leafy. Ls linear, flat or slightly channelled, grass¬ 
like. (Inflorescence terminal) . ... 2 
— Stem leafless. Ls 0, or 1 or 2 of the rad. ls bearing a 
more or less long, bristle-like or channelled leaf 4 
2. Spikelets numerous, in a distichous, compressed, 
spike. Stigs 2. Stem 10— 20 cm. — Damp pasturages: 
distrib. 7 .... compressus Pers. 2263. 
— Spikelets in clusters which are partly sessile partly 
peduncled, in the form of an anthela. Stigs 3. Stem 
30 —90 cm. 3 
3. Spikelets small (3—5 mm long), blackish green, very 
numerous. FI.-scales entire.—Wood-swamps, ditches; 
distrib. 6 . . . . . . sylvaticus L. 2264. 
— Spikelets large (10—25 mm), reddish brown. FI.-scales 
2-fid at the top.—Water-side, rare; W. Y. B. S. L. A. 7 
niaritimus L. 2265. 
4(1). Spikelets solitary, terminal, (stigs 3) . . 5 
— Spikelets several or many, apparently lateral . 8 
5. The highest sheath terminated by a short leaf . 6* 
— Sheaths without ls . ... 7 
6. Bristles of the perianth longer than the achenes. Stems 
5—40cut.—Damp pasturages and peat-mosses, especially 
of the mount, and subalp. (wanting in S.). 5 
caespitosus L. 2266. 
— Bristles of the perianth 0. Stem 5—7 cm. The lower 
scale shorter than in the last. Rt-stock stoloniferous — 
Alp.; Engadine, Bregaglia; Simplon, valleys of Saas 
and St. Nicolas. 7 . . . . alpinus Schl. 2267. 
7. Spikelets composed of 3—7 fls. Stems 5 —20 cm, slender, 
without transverse partitions.—Marshy meadows; fairly 
distrib. 5 .... pauciflorus Lightf. 2268. 
— Spikelets composed of 3 -4 (very small) fls. Stems 3—5 cm, 
very slender, almost filiform, transparent, with transverse 
partitions inside. — Habit of 2258.— Inundated, sandy 
places, very rare; near Kriegstetten, Canton Soloth., 
and Urtenen, Canton Bern (yet?). 7 parvulus R. Sch. 2269. 
8 (4)w Spikelets in several (3—8) globular, very compact 
and apparently tomentose heads. Stems cylindric, 50 to 
90 cm. —Shores; by the lake of Geneva. 7 
Holoschoenus L. 2270. 
— Spikelets not collected in globular heads, 2—several 
crowded in a single cluster; or several — many sessile 
or peduncled in an anthela ..... U 
9. FI.-scales emarginate at the top, mucronate. Rt-stock 
creeping ......... 10 
— FI.-scales not emarginate. PI. tufted . . . 14 
