Sehenus.j CXLII. CYPERACER. 853 
Rue bracts, with or without leaflike laminæ, the lower ones usually 
distant. Glumes frequently dark-coloured or black. 
The genus is almost limited to the Old Nor AIO ? id Australian, but repre- 
sented by a few species in the torapar erate regi northern hemi ee, in 
extra-tropical South America, in South Afric got New P Ze aland, ue D ein the 
Malayan Archipelago. Of the fifty-five Aus bance species three are in New 
ok and one of them in South America ; the remainder are as far e bins all 
found it TOM to maintain the S pigri between Schenus and 
Charon 4 founded on the absence or presence of the ypogynous bristles, for still 
i ite i t. 
of the upp owering 
glumes formin a wing on each side of the rhachis, Sehenus approaches the sections 
Dicti and Mariscus of C; wperus, differing chiefly i n the inflorescence, the brown or 
0; 
re me me e more numerous distich ty ones and th 
few flowe g ones less ur distichous, the frequent presence o , etc, 
la one of these c baing stant although one or the other of them a 
ent, so aie Mn Meat distinctive characters the two genera 
one rhe Ld are the Australian species of Schanus, I have been — e 
divide this into distinct sections founded on anyessential character. The 
pws the n of glumes, in the hypogynous bristles, in the number of era: 
h 
in thonuts, até, are specifi : ies i 
pecific only, and I mer felt obliged to arrange the species into 
series only, derived chiefly jmd inflorescen 
dath I. Macro acrocephalz.—Spikelets norms: 5 le 6 lines long, sessile in a s ay 
ing OF ov inal head with erect involueral br Hypogynous bristles 
= tufted. » yn base of the stem. Western spe wem 
Outer bract broad and black at the base. Glumes glabrous, 
2 outer empty ones. Hypogynous bristles slender 1. S. cruentus, 
Outer braet brown and rath sys narrow at the base. Glumes 
glabrous, 3 outer "M S ed ane bristles 
short, cilia 2. S. compressus. 
: kia ced Glumes woolly on the edge, about 
ou rhe cde c H ous bristles 
the nut, pl ee Mee: ple y abil 
Po ean II. mm— 1 to 3 lines long, very numerous and 
H. r or broadly turbinate head, with spreading balati io involueral bracts. 
VPogynous at rarely sis Leaves tufted at the base of the stem. 
Heads globular. 
Spikelets about 3 lines flus cob or Piinia, 5 of 
:. more outer empty ones, Leaves not above 2 or 
Spikelets black. Hypogynous bristles as long as the 
- 4. S. curvifolius. 
Spikelets brown. Hypo ogynous bristles scarcely any, 
very small and fine . . ote + « + 8 IS. aubbuibosus, 
Bruit abot? ee Glumes acute, only 1 or no outer ; 
one. Hypogynous bristles none or very i 
minute. Leaves long and ca < 6. 8, setifolius. 
