PA nS 
CXLIIT. CYPERACER. 258 
| 2 CYPERUS, Linn. 
(Mariscus, Vahl. Papyrus, Willd. Diclidium, Schrad.) 
Spikelets with several often numerous flowers rarely reduced to 3, 
or 1, all hermaphrodite or the terminal flower rarely male. Glum 
distichous, concave or navicular and keeled, all nearly equal and flower- 
mg except the lowest 2 or 1 usually smaller and empt 
2, 
es 
annular sears when they fall away. Spikelets in clusters heads or 
spikes, very rarely solitary at the ends of the rays or branches of a 
Tre or compound irregular umbel, sometimes occupying the whole of 
e dm 
A very lar, 1 "d uw Lou LE t MV AP MUR 
ge and widely spread genus d Carex only in point of 
numbers, x much more prevalent than ‘that genus in the tropical and subtropical 
rs) t sa: 
etd also by a few species in more temperate regions, but quite disappears in th 
only ps m d south as well as on Alpine heights 64 an species 
e tah q : 1 " F. 
edo: lin 
, lin New Zealand and South Africa, 1 in Africa, 9 are tropical Asiatic 
Over th .have not been ascertained to extend further, 10 are generally spread 
Old W, e tropical regions of the Old World, 11 more tropical species common in the 
; aiso i 
Nee esta y g 34, one is only known out of Australia in N 
The genus diff ; j r ; 
brist] ers from those groups of Scirpus which having no hypogynous 
formed Brown's genus Tooepis, solely in the distichous arrangement of the 
this chara ist in Scirpus 
c cter is not constant in Cyperus pygmæus, whilst 
early disti e 
by the habit ence, the flow n i 
a the the flowering glumes more regularly distichous and the straighter his 
tional į let, but none of these characters are absolutely constant. A few excep- 
8 occur among the species of both genera. 
