304 CLVI. CYPERACEH (CLARKE). [ Pyereus. 
1219, specifically different; but Taylor’s example is still larger with a compound 
umbel, 
Var. Grantti, C. B. Clarke. Glaucescent. Umbels contracted, 1 in. in diam. ; 
lowest bracts 4 in, long.—C. lanceus, T. Thoms. in Speke, Nile, Append, 654. 
C. nitidus, Boeck, in Linnea, xxxv. 461 partly ; Oliv. in Trans. Linn. Soc. xxix. 164. 
C. lanceus, var? B Grantit, C. B. Clarke in Journ. Linn. Soc. xxi. 66, 
Nile Land. Ruwenzori, Scott-Elliot, 7516 ! 
Mozamb. Dist. (German East Africa: at Jiwa la Mkoa, in 'the Mgunda 
Mkhali, Speke & Grant! British Central Africa: Urundi; Lake Tanganyika, 
Carson, 54! Nyasaland ; Namasi, Cameron, 21! 
29. P. nyasensis, (’. B. Clarke. Stem 1 ft. long, slender, with 
1 head. Spike loose, of 3-8 spikelets; bracts 2, the lower 2 in. long, 
spreading. Spikelets 3 by } in., compressed, linear-oblong, 20-flowered, 
with parallel sides, a rich brown colour. Glumes elliptic, obtuse, sub- 
obtuse, 1-coloured, rather closely imbricate. Style-branches 2. Nut 
rather large, obovoid, white-reticulate ; superficial cells hexagonal, lax. 
Mozamb. Dist. British Central Africa: Nyasaland; Mount Zomba, 4000- 
6000 ft., Whyte ! 
The examples are without rhizome or leaves, 
30. P. spissiflorus, (. B. Clarke in Trans. Linn. Soe. ser. 2, Bot. 
iv. 53. Rhizome woody. Stem 1 ft. long; basal sheaths black, some- 
what lacerate. Leaves 3 the length of the stem, 4-1 in. broad. Umbel 
simple, with rays 0-1} in. long, or congested into a head; bracts 3-5, 
lowest up to 3 in. long, similar to the leaves. Spikes loose, of 3-9 
spikelets. Spikelets } by 4 in., compressed, brownish-yellow, 16-20- 
flowered. Glumes closely-packed, elliptic, obtuse, submucronate. Style 
2-fid—C, B. Clarke in Durand & Schinz, Conspect. Fl. Afr. v. 542. 
Cyperus spissiflorus, K. Schum. in Engl. Pfl. Ost-Afr. C. 117. 
Retire Dist. British Central Africa : Nyasaland; Mount Mlanji, 
byte 
This resembles some forms of P. globosus, Reichb., but differs in the woody 
rhizome, 
31. P. betschuanus, (. B. Clarke in Durand & Schinz, Conspett. 
Fi. Afr. v. 535. Stolons hardening into a slender rhizome, seen 3 oy 
long. Stems 4-12 in. long. Leaves 4 the length of the stem, $ ™. 
broad. Umbel $2} in. broad, simple or of 1 head; rays 3-5; bracts 3, 
lowest 2-4 in. long, similar to the leaves, Spikes of 4-8 spikelets, 
shortly spicate. Spikelets 4 by zz in., lanceolate, much compressed, 
hard, shining chestnut-coloured, 16-22-flowered. Glumes very tightly 
packed, ovate, subobtuse; keel yellowish. Nut scarcely 4 the length 
of the glume; superficial cells hexagonal-subquadrate.—C. B. Clarke 
in Dyer, Fl. Cap. vii. 159. Cyperus betschuanus, Boeck. in Engl. 
Jahrb. xi. 406. C. globosus, var. nilagirica, C. B. Clarke in Journ. Linn. 
Soc, xxi. 49, 
Mozamb-. Dist. British Central Africa : Mashonaland, Bryce ! 
Also in South Africa. 
