304 CLvi. CYPERACEiE (clarke). [^Pycrev^. 



1219, specifically different; but Taylor's example is still larger with a compound 

 umbel. 



Var. Graniii, C. B. Clarke. Glaucescent. Umbels contracted, 1 in. in diam. ; 

 lowest bracts 4 in. long. — C. lancetis, T. Thorns, in Speke, Nile, Append. 654. 

 C. nitidus, Boeck. in Linnaea, xxxv. 461 partly ; Oliv. in Trans. Linn. Soc. xxix. 164. 

 C. lanceus, var ? j3 Grantii, C. B. Clarke in Journ. Linn. Soc. xxi. 66. 



Nile 3bancl. Ruwenzori, Scott-Elliot, 7516 ! 



IWozamba Sist. 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, C. 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 f by i 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. 



BKozambn Bist. British Central Africa : Nyasaland ; Mount Zomba, 4000- 

 6000 ft., Whyte ! 



The examples are without rhizome or leaves. 



30. P. spissiflorus, C B. Clarke in Traifis. Linn. Soc. ser. 2, BoL 

 iv. 53. Rhizome woody. Stem 1 ft. long ; basal sheaths bla(;k, some- 

 what lacerate. Leaves | the length of the stem, ^J in. broad. Umbel 

 simple, with rays 0-1 J 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 J by ^ 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. 



Mozamb. Bist. British Central Africa : Nyasaland; Mount Mlanji, 

 Whyte ! 



This resembles some forms of P. glohosus, Reichb., but differs in the woodj 

 rhizome, 



31. P. betschuanus, C. B. Clarke in Durand (h Schinz, Conspect. 

 Fl, Afr. V. 535. Stolons hardening into a slender rhizome, seen 3 in. 

 long. Stems 4-12 in. long. Leaves \ the length of the stem, \ in. 

 broad. Umbel J-2 J 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 \ by -^ in., lanceolate, much compressed, 

 hard, shining chestnut-coloured, 16-22-flowered. Glumes very tightly 

 packed, ovate, subobtuse ; keel yellowish. Nut scarcely \ the length 

 of the glume ; superficial cells hexagonal-subquadrate. — C. B. Clarke 

 in Dyer, Fl. Cap. vii. 159. Cyperus hetschuanus, Boeck. in Engl. 

 Jahrb. xi. 406. C. glohosus, var. nilagirica, C. B. Clarke in Journ. Linn, 

 Soc. xxi. 49. 



IMCozamb. Bist. British Central Africa : Mashonaland, Bryce ! 

 Also in South Africa, 



