390 
Cyperace®. 
— Spikelets arranged in a spike. Stem rough, at any rate 
above ......... 14 
13. Stem much longer than the Is, branchy at the base! 
—Peat-bogs; in several places in the Jura, Schwarzen- 
eck, Biinzen, Einsicdeln, Robenhausen, Pfaffikon, Katzen- 
see. 5.chordorrhiza Ehrh. 2295. 
— Stem as long as the Is, arched. — Granite Alp.; G. T. W. 6 
incurva Lightf. 2293. 
14. Spikelets brownish, 6—20 in number, gen. l-sex., the 
middle ones with male fls, the upper and lower with 
fern, fls (but varied in this last respect!).—Marshes, 
water-side; gen. not uncommon (wanting in G. T. L.). 5 
disticha Huds. 2297. 
— Spikelets yellowish, gen. curved, almost distichous, 3 to 
6 in number, androgynous, the fern, fls at the top, the 
male fls at the base.—Woods; in batches (wanting in 
G. W. U.). 5.brizoides L. 2298. 
15 (11). Spikelets (green) clustered in a head which is sup¬ 
ported at the base by 2 foliaceous bracts which greatly 
exceed the head in length. Fr. terminated by a very 
long beak.—Dried up ponds; very rare and gen. change¬ 
able; indicated at Delle, Briger Bad (Wall.), Hallwyler- 
see. 7.cyperoides L. 2299. 
— Spikelets in a spike or panicle, or also clustered in a 
head, but then without foliaceous bracts . . 10 
16. Spikelets with male fls at the top . . . 17 
— Spikelets with fern, fls at the top . . . 22 
— Spikelets with fern, fls at the top and the base, the 
upper spikelets with male fls in the middle, the whole 
forming an ovoid-oblong, dark red-brown spike. C. foetida- 
lagopina?—Alp.; W. (Todtensee on Grimsel), Simplon. 8, 9 
Laggeri Wimm. 2300. 
17. Spikelets clustered in a globular or ovoid head. Fr. 
acuminate with an elongated 2-toothed beak at the top. 
--Alp.; not common. 7 . . . foetida Vill. 2301. 
— Spikelets in a spike or panicle .... IS 
18. Fr. erect, compressed, nerveless, as long as the glumes. 
Spikelets brown. — High Alp., rare; W. V. O. 7 
microstyla Gay. 2302. 
— Fr. spreading, regularly convex on the back, longer 
than the glumes ....... If) 
— Fr. erect, humped, on the back, as long as, or shorter 
than, the glumes. (Spikelets brown, the glumes white- 
scarious at the edges) . . . . . . 20 
19. Stems stout, triangular with concave faces and very rough 
angles, at least above. Ls 5—9 mm broad. Fr. with 
6—7 distinct nerves.— Damp places, ditches; distrib. 5 
vulpina L. 2303. 
