Scleria. | CLVI, CYPERACEZ (CLARKE). 505 
31. S. canaliculato-triquetra, Boeck. in Flora, 1879, 573. 
Robust ; stem 3-5 ft. long. Leaves 8-12 by }-} in. broad. Lowest 
axillary peduncle remote, often carrying 20-50 spikelets, often exserted 
3-6 in., flexuose, not very slender. Nut } in. long or more, ovoid or 
ellipsoid, longer than broad, white, smooth ; 3 lobes of the disc small, 
ovate, tipped by minute tails—C. B. Clarke in Durand & Schinz, Con- 
spect. Fl. Afr. v. 670; Rendle in Cat. Afr. Pl. Welw. ii. 135. JS. 
diurensis, Boeck. in Flora, 1879, 573. WS. cervina, Ridley in Trans. 
Linn. Soe. ser. 2, Bot. ii. 171. 
Upper Guinea. Lagos: Abeokuta, Irving ! 
Nile Land. British East Africa: Jur; Jur Ghattas, Schweinfurth, 2389 
partly ! 2474! 
Lower Guinea. Lower Congo: Kisantu, Gillet, 730. Angola: Pungo 
Andongo; marshy places near Quilanga, Welwitsch, 7126! spongy places between 
Mutollo and Candumba, Welwitsch, 7127! 
Mozamb. Dist. British Central Africa: Nyasaland ; Kondowe to Karonga, 
2000-6000 ft., Whyte! Plains of Zomba, 2500-3000 ft., Whyte ! 
32. S. Hildebrandtii, Boeck. in Flora, 1880, 454. Nearly 
glabrous. Rhizome 0. Stems 12-16 in. long. Leaves up to 12 by 
4 in., 3-nerved. Lower peduncles remote, often nearly basal, exserted 
2-6 in., flexuose, slender, but dilated and triquetrous upwards, carrying 
about 3 nuts. Nut } in. long, cylindric-ellipsoid, smooth, white; disk 
short, obpyramidal, nearly truncate, i.e., the 3 lobes difficult to make 
out.—C. B. Clarke in Durand & Schinz, Conspect. Fl. Afr. v. 671 ; 
K. Schum. in Engl. Pfl. Ost-Afr. C. 129. 
Wile Land. British East Africa: near Mombasa, J7ildebrandt, 2044! 
33. S. gracillima, Boeck. in Flora, 1879, 570. Glabrous, very 
slender. Stems 16-24 in. long, almost capillary, each bearing only 2 
or 3 nuts. Leaves 4-8 by ,-74 in. Panicle most slender, with few 
branches, the lowest peduncle remote, capillary, exserted 4-1} in., 
nodding, with 1 nut. Spikelets appear all 1-sexual, the female fewer, 
$-} in. long. Nut globose, ;4, in. in diam., smooth, white ; lobes 3, 
very short, rounded, subauriculate. 
Nile Land. British East Africa: Jur; Jur Ghattas, Schweinfurth, ser. iii., 
189! 
Boeckeler says this species is allied to the American S. torreyana, Walp., i.e. he 
places it in the Tessellate group, which appears right—but it is not near any 
other of the African Tessellate. 
34. S. oryzoides, Presi, Rel. Haenk. i. 201. Glabrous, robust. 
Stolons elongate, } in. in diam., without scales, probably floating. 
Stems 3-6 ft. long, stout ; sheaths 3-winged. Leaves 3 ft. by % in., or 
the upper 10 in. by more than1in. Panicle apparently terminal without 
bracts (a small axillary remote one rarely added), 6 by 3 in., dense 
with innumerable branches and spikelets; usually the upper spikelets 
on the branches are male, a few of the lower female. Spikelets 4 in. 
long, oblong, sessile, a rich brown. Nut 4 in. in diam., subglobose, 
