380 iLvi. CYPERACE^ (clarke). \MarisGU8, 



Spikek'ts wliite-straw-coloured. 



Leaves ^ the length of the stem . . . 52. M. hemisphcEriciis 



Leaves \ the length of the stem . . . 54. M. Oregorii. 



Spikelets yellowish-green. Leaves ^ in. broad . 53. M. alpestris. 



1. M. dregeanus, Kmit\ Enum. ii. 120. Glabrous. Stolons 0. 

 Stems approximate, at the base oblong-thickened by the scarious 

 coloured leaf-sheaths, 6-14 in. long, slender, at the top trigonous and 

 smooth. Leaves often as long as the stem, yV" i ^"' broad, weak, grass- 

 like. Inflorescence \-\ by \-\ in., appearing as 1 very dense head of 

 numerous spikelets, or as 2-8 densely congested spikes, straw-coloured 

 or reddish or yellowish ; bracts 3-4, similar to the leaves, spreading, 

 finally pendent, lowest 8-7 in. long. Spikelets 4 by ^^ in., quad- 

 rangular-cylindric obtuse, not compressed, bearing ^2-^ (usually 3-4) 

 nuts, disarticulating below the lowest fertile flower in one piece ; two 

 empty glumes small, without caudate green tips. CTlumes ovate, obtuse, 

 not keeled, strongly 13-15-ribbed over their whole breadth, chafiy, 

 persistent, their margins running down into the elliptic wings of the 

 rhachilla. Stamens 3-2 ; anthers oblong, not crested. Kut \ the 

 length of the glume, oblong-ellipsoid, trigonous, from dark-brown to 

 ashy-black, very smooth, the punctulation or reticulation very obscure. 

 Style shorter than the nut ; branches 3, linear, longish. — C. B. Clarke 

 in Hook. f. Fl. Brit. Ind. vi. 620, in Durand & Schinz, Conspect. Fl. 

 Afr. V. 586, and in Dyer, Fl. Cap. vii. 187 ; Durand & Schinz, Etudes 

 Fl. Congo, i. 295 ; Rendle in Cat. Afr. PI. Welw. ii. 120. M. Kraussii, 

 Hochst. in Flora, 1845, 756. M. kylliyigiceformis, Boeck. in Flora, 

 1859, 443, 496. M. viridis, Schweinf. Beitr. Fl. Aethiop. 217, accord- 

 ing to the syn. cited. Cyperus dubius, Bottler in Neue Schr. Ges. Nat. 

 Freunde Berlin, iv. (1803) 193 ; Boeck. in Linnsea, xxxvi. 336, in small 

 part ; Ridley in Trans. Linn. Soc. ser. 2, Bot. ii. 133 partly ; Henriques 

 in Bolet. Soc. Brot. v. 209; Engl. Hochgebirgsfl. Trop. Afr. 143?; 

 K. Schum. in Engl. Pfl. Ost-Afr. C. 121 ; not of Rottb. C. kyllingiceoides, 

 Vahl, Enum. ii. 312; Kunth, Enum. ii. 94; Boeck. in Peters, Reise 

 Mossamb. Bot. 543. C. criientiis, Boeck. in Linnsea, xxxvi. 338, not of 

 Rottb. C, scirpoides, Spreng. Syst. i. 218 partly. Schcenus colorahtSy 

 var. ^, Linn. Sp. PI. ed. 2, 64, Sch. niveus, Murr. Syst. Veg. ed. xiii. 

 81. 



Upper Cruinea. Gold Coast : Accra, Vogel ! Don ! Old Calabar ; Robb ! 



Aower Guinea. Island of St. Thomas: near Santa Anna and Angolares, 

 Moller Sf Quintas in Fl. Afr. 'Exsicc. Conimhric, 122 ! Lower Congo : Matadi, 

 300 ft., Hens, 32 ! 218 ! Angola : Loanda ; in sandy soil near Penedo, rare, Welwitsch, 

 6807 ! Malange, Fogge, 462 ! 



XMEozamb. Bist. Zanzibar, Schmidt, 68 ! German East Africa : Usambara ; 

 Tanga, Volkens, 15! Usar;imo; Dar es Salaam, Kuntze, 208! Rovuma River, 

 Meller ! Portuguese East Africa : Angorna Island, Peters, 37 ! 139 ! Beira, Kuntze^ 

 201 ! Luabo River, KirJc, 31 ! Lower Zambesi, at Shupanga, Kirk I Inhambane, 

 Scott ! British Central Africa : Boruma, on the Zambesi, Menyharth, 662 ! Nyasa- 

 land ; Shire Highlands, Buchanan, 61 ! Zomba, 2800-3500 ft., TF/tyte ! 



Also in South Africa, the Mascarene Islands, India and Borneo. 



