FiDihristylis.'] CLVi. CYPERACEiE (clarke). 421 



in. broad. Umbel loose, subcompound, of 2-9 spikelets^ bracts "2-^, 

 ^ in. long. Spikelets i by ^ in., rather dense, dull brown. Glumes 

 ovate, obtuse, sometimes minutely apiculate. Style shorter than the 

 nut, nearly glabrous, deciduous together with the small pyramidal base; 

 branches 3, long. Nut less than i- the length of the glume, obovoid, 

 smooth or nearly so, brown. — C. B. Clarke in Durand k Schinz, 

 Conspect Fl. Afr. v. 609. 



Wile Xaand. British East Africa : Jur; Jur Ghattas, Schtveinfurth, 1824 I 

 Var. angustior, C. B. Clarke. Slender. Stems and leaves conspicuously dotted. 

 Umbel simple, depauperated. Nut somewhat tubercled. 

 Upper Guinea. Soudan, Lecard, 111! 



15. P. miliacea, Vahl^ Enum. ii. 287. A glabrous annual. Stems 

 ^^-24 in. long, tufted, often flattened at the base with apparently 

 distichous leaves, at the top with 4-5 equal angles. Leaves usually 

 J the length of the stem, sometimes overtopping the stem, sometimes 0, 

 narrowly linear. Umbel compound, often in. in diam., with 60-100 

 solitary spikelets ; bracts about 1 in. long. Spikelets -^^ in. in diam., 

 globose or short-cylindric, obtuse. Style ;^>-tid. Nut less than J the 

 length of the glume, obovoid, with delicate transverse bars in vertical 

 series, straw-coloured or pale brown, smooth or more or less tubercled. 

 — Kunth, Enum. ii. 230 ; Boeck. in Linnaea, xxxvii. 48 ; C. B. Clarke in 

 Hook. f. Fl. Brit. Ind. vi. 044, and in Durand & Schinz, Conspect. Fl. 

 Afr. V. 607; K. Schum, in Engl. Pfl. Ost-Afr. C. 124; Urban, Symb. 

 Antill. ii. 81. Scirpus miliaceus, Thunb. Fl. Japon. 37, not of 

 Linn. Scirpits sp. n. 77, Rottb. Descr. et Ic. 57, t. 5, tig. 2. 



Upper Cruinea. Senegambia, Heudelot, 212 ! 327 ! 389 I 



XVEoatsamb. Sist. Zanzibar, Boivin ! 



Common in the Masearene Islands and throughout all tropical and subtropical 

 areas, except Africa, whence only the above collections have been seen. 



16. P. quinquaugularis, KAnth^ Enam. ii. 229. Spikelets ^-\ by 

 j'y in., ellipsoid-lanceolate, and (5-1 5- flowered ; otherwise as F. miliacea. 

 —Boeck. in Linnsea, xxxvii. 42 ; C. B. Clarke in Hook. f. Fl. Brit. 

 Ind. vi. 644, and in Durand k Schinz, Conspect. Fl. Afr. v. 609. IScirpus 

 guiiKjuangulariSj Vahl, Enum. ii. 279. 



Upper Guinea. Sierra Leone: Falaha, Scott-Elliot, 5166! 



]bower Cruinea. Congo Free State : Lower Congo; K i santu, (riZ/e^ .' 



Also in Mauritius, India, South-East Asia, Queensland, (Uiiana. A rice-tield 



weed, indigenous perhaps in India, occasionally collected in nearly all parts of the 



world. 



17. P. subaphylla, Boeck. in Flora, 1879, 51)5. Glabrous. Stems 

 12-16 in. long, approximate on a very short woody rhizome, at the top 

 4-angular and more or less flattened. Leaves usually h in., sometimes 

 up to 2 in., long. Umbel 2-4 in. in diam., with ;30-l')0 spikelets ; bracts 

 2-3, less than 1 in. long. ^ Spikelets -^ by ^V in., a-U-flowered, cinna- 

 mon-brown. Style longer than the nut, glabrous, deciduous together 



