286 CLVI. CYPERACEE (CLARKE) [Kyllinga. 
with short very contiguous cilia coalescing almost into a wing in the 
lower half. Nut 4 as long as glume, ellipsoid, quite black. 
Mozamb. Dist. British Central Africa: Nyasaland, Buchanan, 1428! 
34. K. exigua, Boeck. in Abhandl. Naturw. Ver. Bremen, vii. 36. 
Stems 2-10 in. long, with basal bulbs 4 in. in diam., woody, and also 
sometimes throwing out very slender stolons 2 in. long and hardly ,), in. 
indiam. Leaves often as long as the stem, 1, in. broad. Head of 3-1 
straw-coloured spikes; bracts 3, lowest 2 in. long, similar to the leaves. 
Spikes } in. in diam., ovoid, dense. Spikelets zo in. long, 2—3-flowered. 
Nut-bearing glume ovate, acute, obscurely ribbed; keel wingless, 
smooth green. Nut not seen—C. B. Clarke in Durand & Schinz, 
Conspect. Fl. Afr. v, 529. 
Nile Land. Somaliland, Donaldson Smith ! 
Also in the Mascarene Islands. 
Boeckeler’s description of this species was drawn up from depauperated examples. 
39. K. albiceps, Rendle in Cat. Afr. Pl. Welw. ii. 106. Stem 4-9 
in. long, rather slender, solitary, bulbous at the base ; sometimes with 
very slender stolons hardening into rhizomes 21 in. long, less than 35 
in. broad. Leaves usually much shorter than the stem, }—1 in. broad. 
Head of 3-1 (mostly 3) spikes, dusky straw-coloured ; bracts 3, lowest 
2 in. long, similar to the leaves. Middle spike ovoid, 4-4 in. long, 
dense. Spikelets 4 in. long, each perfecting 2-5 nuts. Nut-bearing 
glume ovate, scarcely acute, obscurely ribbed, usually with sunk round 
red or blackish glands; keel wingless, smooth. Ripe nut not seen.— 
K. macrocephala, var. angustior, C. B, Clarke in Durand & Schinz, 
Conspect. Fl. Afr. v. 529; Durand & Schinz, Etudes Fl. Congo, i. 279. 
Cyperus albiceps, Ridley in Journ, Bot. 1884, 16. 
Upper Guinea. Niger Territory: Old Calabar, Robb! Holland, 50! 
Cameroons: Rio del Rey, Johnston ! 
Nile Land. British East Africa : Ruwenzori, 5000 ft., Scott-Elliot, 7626! 
_, Mower Guinea. Lower Congo, Smith! Stanley Pool, 900 ft., Hens, B, 14 
Kisantu, on the Inkissi River, Gillet, 442! Angola: Pungo Andongo; in the Pre- 
sidium, Welwitsch, 6796 partly ! 
South Central. Congo Free State: Mzona, Descamps ! Albertville, near 
Tanganyika, Huy ! 
Mozamb. Dist. Lake Tanganyika, Storms ! British Central Africa : Nyasa- 
land ; in shallow pools by the River Nsessi, Scott ! ; 
This differs very little from K. macrocephala, A. Rich., but by the slenderer 
stems. The glands in the glumes are usually very prominent in K. albiceps, but 
sometimes they are very few, Scott-Elliot, 7626, has much smaller heads and 
spikelets than the type form. 
36. K. macrocephala, 4. Rich. Tent. Fl. Abyss. ii. 491. Stem 
8-12 in. long, stout, at the base decumbent for 0-14 in.; basal sheaths 
not torn. Leaves 3 the length of the stem, 1-1 in. broad. Head of 
3-1 spikes, large, straw-coloured ; bracts 3-5, lowest 3 in. long, similar 
