450 CLVI. CYPERACEH (CLARKE), [ Scirpus. 
5. S. verrucosulus, Steud. in Flora, 1829, 145. Glabrous, annual. 
Stems tufted, 2-4 in. long, each carrying 1 nearly terminal spikelet. 
Leaves 0, or the sheath ending in a green point scarcely { in. long. 
Spikelet ,,-} in. long, ovoid; lowest glume sometimes bract-like and 
nearly as long as the spikelet, sometimes containing a nut and deciduous. 
Glumes ovate, obtuse, yellowish or purplish with green back. Hypo- 
gynous bristles 0. Style linear; branches 2, linear. Nut } as long as 
the glume, obovoid-truncate, plano-convex, smooth, dark-chestnut- 
coloured.—C. B. Clarke in Dyer, Fl. Cap. vii. 216. S. verruculosus, 
Nees in Linnea, vii. 496 in citation; Durand & Schinz, Conspect. Fl. 
Afr. v. 634. Isolepis ptycholeptos, Steud. Syn. Pl. Glum. ii. 93. 
Upper Guinea. Senegambia, Leprieur! 
Frequent in South Africa. 
6. S. cernuus, Vahl, Enum. ii. 245. Glabrous, annual. Stems tufted, 
1-5 in. long, setaceous, with 1 head of 3-1 spikelets. Leaves usually 
much shorter than the stem, setaceous. Spikelets 1~1 in. long, ovoid, 
few- or many-flowered. Glumes ovate, hardly acute. Hypogynous 
bristles 0. Style linear; branches 3, linear. Nut 3} as long as the 
glume, obovoid, trigonous, brown or black, smooth or appearing dotted, 
neither longitudinally ribbed nor transversely barred.—C. B. Clarke in 
Durand & Schinz, Conspect. Fl. Afr. v. 619, and in Dyer, Fl. Cap. vi. 
219. S. Savii, Sebast. & Mauri, Prod. Fl. Rom. 22; Sowerby, Engl. Bot. 
Suppl. t. 2782; Coss. & Durieu, Expl. Se. Algér. Glum. 234. S. setaceus, 
Linn. Mant. 321; Boeck. in Linnea, xxxvi. 501 partly ; Schweinf. in 
Bull. Herb. Boiss. ii. Append. ii. 492 not of Linn. Sp. Pl.  Jsoleps 
riparia, R. Br. Prod. 222. J. numidiana, Roem. & Schultes, Syst. 
Veg. ii. 110. J. saviana, Schultes in Roem. & Schultes, Syst. Veg. 1. 
Mant. 63; Kunth, Enum. ii. 193. 
Upper Guinea. Cape Verd Isles; Wichura, 425! 
Common in most warm and temperate regions. 
This species is plentiful in Algeria and in extratropical South Africa ; it is also 
communicated from St. Helena and the Mascarene Isles, but has not been 
received from Tropical Africa. As to the doubtful citation of Schweinfurth, the 
only example of his S. sefaceus seen looks like S. cernuus, but it has no ripe nuts. 
7. S. setaceus, Linn. Sp. Pl. ed. 2. 73 partly. Nut longitudinally 
ribbed, and with transverse bars between the ribs, the outermost trans 
verse cells being arranged in exactly vertical series; otherwise 4° 
S. cernuus.—Sowerby, Engl. Bot. t. 1693; Boeck. in Linnea, Xxxv) 
500 partly; ©. B. Clarke in Hook. f. Fl. Brit. Ind. vi. 654, 1 
Durand & Schinz, Conspect. Fl. Afr. v. 630, in Bull. Herb. Boiss. 2". 
Append. iii. 33,and in Dyer, Fl. Cap. vii. 217; K. Schum. in Engl. Pf. 
Ost-Afr. C. 125; Volk. Kilimand. 319. Jsolepis setacea, R. Br. Prod. 
222; Kunth, Enum. ii. 193. 
Nile Land. Abyssinia; 10,000 ft., Schimper, 325! 384! British East Africa : 
Ruwenzori; in the bed of Butagu River, 7000-8000 ft., Scott-Elliot, 7916! 
Mozamb. Dist. German East Africa: Kilimanjaro; Johann Ravine, 
ft., Volkens, 1214! Kifinika Volcano, 9000 ft., Volkens, 1214! 
Frequent from Europe and Africa to Australia, 
11,100 
