186 CYPERACEZ (Clarke). [Mariscus. 
eae a fs lady he! Arey Robust biennials or perennials; tall (except 
M. tabularis, var. humilis). i very numerous, brown-red or much marked 
with red, Leaves and bracts 1 
useage! a a as glumes reddish, with 
gree pale back : 
ot transversely veined (14) congestus. 
Spikelets 3-4-nutt ed, oblong, wicrt red-brown; umbel 
mpouv sai 
ee transversely veined (15) umbilensis. 
Spikelets “2-10. nutted, lanceolate, compressed, red- 
bro 
aac and bracts transversely veined (somewhat 
spongy 
Spikes clustered on the primary rays of the 
bel : 
tem obtusely trigonous at the (16) riparius. 
Stem acutely triquetrous at cs top ; i 
glumes mucronulate 17} elatior. 7 
Leaves ian Savaibed § ; spikelets with 
0 nu (18) involutus. 
ssh more aistinetl tly “compou 
und : 
Spikelets densely spicate, 4-nutted ... (19) his 
Spikelets loosely spicate, 4-nutted ... (20) O 1 
Spikelets 10-nutted caeksy Gueinsii. 
spilt 10-nutted ; umbel 4h ft. f 
(22) elephantinus. 
Leaves te “bracts” not transversely veined (of 
close 
Leaves = (wien dry) flat, midrib strong (23) tabularis. 
Leaves (when dry) rolled uP, no “jiatinet fi 
eo tee (24) durus. 
as Sistine terete, pian upper glumes long 
e or less re 
“Lea aves earn, flaccid ; poet nn $ very flexuose ... (25) rehmannianus. 
We 1. capensis (Schrad. Anal. Fl. Cap. 13); glabrous; stolons 0; 
stem 4—14 in. long, medium or slender, trigonous at the top, smooth ; 
leaves olten as long as the stem, 1-2 in, br oad, weak ; basal sheaths 
inflated, brown; stem-base appearing much thickened, oblong of 
void ; infloresvence subcapitate, straw- coloured, of 1—4 short a 
in. broad, flat ; spikelets nearly straight (26) Cooperi. : 
| 
spikes, sessile or a ray rarely up to z in. in length; bra s 3-9, 
similar to the leaves, lowest 3-5 in long ; spikelets cee. 
densely packed in each sp hg, ovo f 4 glumes, 
aks ; branches 3, 
