Scirpus. ] cYyPpeRACEx (Clarke). 211 
Ovary sessile, or often much narrowed at the base, pyriform, but not 
on a minute obpyramidal gynophore. Nuw¢é triangular or flat (dorsally 
compressed ). 
Leaves all near the base of the stem a the Cape gi exc ponds the Fluitantes, 
linear, glabrous ; flower-glumes Bie gla ate us. only differs from the 
Beings without hhypozynous bris sg fe st 
minute obpyriform gyno- 
tinction is ar tifcial, nor do ee hak Oyperologists see it alike, 
DistR1B Species 130, very generally distributed in all climates and countries. 
Subgenus I. Fruiranres. Stems with leaf-bearing nodes or leafless. Spikelets 
solitary, vg we bristles none. Style and its branches elongate. Fertile 
Barns usually 2-sex 
Style-branches 2: 
Spikelets lanceolate 
Peduncles subsoitar 
ut oboy oA ae rms 1 i 
Nut ager, elipsoid a Peo at RS expliiius. 
Peduncles = red ae ba es 
Spikelets globose... eek ee as we 3 gush: 
Style. eet WER er a be ... (5) tenuissimus. 
Subgenus II. Isoneprs (Genus, R. Br.). Stem with leaves at the base only 
e a “oggesn 0 
ry or in one head, or aig um cage 
elon 
: as of BucScinpus which 
have no hy pogynous br a ce ie decked from this Subgenus.) 
Group 1. Style 2- - Spikelet solitary. Nut smooth 
(except 6 S. sororius). 
Spikelet line era vc wae, ohh roan 4S) Toptentasiea, 
Spikelet clipe eel x 
Glumes with a eae a narrow tip ie ... (9) Burchellii. 
Eluthes lean btuse : 
Leaves produced .., wi oo .. (6) sor 
Leaves hardly any pi wee, eke verracosulus. 
Group 2. Style 3- ak Spikelets in one head or waitin: 
Nut trabeculat 
Leaves ately 
NS] 
y pre 
mall annual; ‘spikelets 2 z5 in. (10) setaceus. 
Siouter with slende 
er, at length woody, 
rhiz cag pplkaleras 2 in. long ’ (11) diabolicus. 
Leaves har ‘dly any : 
8 inte slender; spikelets not eee 
= in. lon 
Stems nibh stouter ; ; spikelets $i in. long .. (13) costatus. 
8. Style 3-fid, Spikelets in one head, or solitary, 
‘wana eee Nui neither longitudinally 
nbbed nor 
culat 
sro rele pee with 1-3 (rarely 4) small spike- 
Spikelet 1, or in 8. sesturbypites rarely 2: 
Leaves hardly a 
pikelet week or vay oblong... yee ed batbifors. 
Spikelet only ¥, in. eee em se cost 
 taaie 3 the length a the a .» (16) ten 
