Scirpus.] CLVi. CYPERACEiE (clarke). 455 



clustered or solitary spikelets ; lowest bract as though a continuation 

 of the stem, 1-3 in. long. Spikelets J by |^-J- in., brown. Glumes 

 ovate, concave ; tip scarious, notched, minutely hairy, with often a 

 small point in the notch. Hypogynous bristles 6-5, as long as the nut, 

 retrorsely scabrous (but often reduced or irregular). Style linear, 

 bi'anches 3 or 2. Nut more than J the length of the glume, obovoid, 

 unequally trigonous, smooth, finally brown. — Sowerby, Engl. Bot. 

 t. QC)6; Kunth, Enum. ii. 164; Boeck. in Linnaea, xxxvi. 712; C B. 

 Clarke in Hook. f. Fl. Brit. Ind. vi. 658, in Durand & Schinz, Conspect. 

 Fl. Afr. V. 624, and in Dyer, Fl. Cap. vii. 231 ; Urban, Symb. Antill. 

 ii. 93. 



Upper Guinea. Sierre Leone, Afzelius, 498. 



Abundant in Europe, common throughout Asia (except the North), and scattered 

 nearly over the globe, except South America. Only known in Africa by the above 

 plant of Afzelius, and a few specimens from South Africa. 



16. S. corymbosus. Roth, Nov. PL Sp. 28. Glabrous. Rhizome 

 2-4 in. long, horizontal. Stems 3 ft. long, stout, terete. Leaves 0. 

 Umbel apparently lateral, simple or compound, 3-6 in. in diam. ; lower 

 bract as though a continuation of the stem, 1-4 in. long. Spikelets 

 clustered, \-\ in. long, ellipsoid, dusky brown. Glumes ovate, glab- 

 rous ; tip subentire, mucronate. Hypogynous bristles 0. Style 

 linear ; branches 3. Nut f the length of the glume, trigonous, obovoid, 

 black, smooth, slightly transversely wavy. — Boeck. in Linnaea, xxxvi. 

 706 ; Aschers. & Schweinf. 111. Fl. Egypte, 157 ; Ridley in Trans. 

 Linn. Soc. ser. 2, Bot. ii. 158 ; C. B. Clarke in Hook. f. Fl. Brit. Ind. 

 vi. 657, in Durand & Schinz, Conspect. Fl. Afr. v. 620, and in Dyer, 

 Fl. Cap. vii. 229 ; Engl. Hochgebirgsfl. Trop. Afr. 148 ; Schweinf. in 

 Bull. Herb. Boiss. ii. Append, ii. 49, 104; K. Schum. in Engl. Pfl. 

 Ost-Afr. C. 126 ; Rendle in Cat. Afr. PI. Welw. ii. 126. S. hrachyceras, 

 Hochst. in Flora, 1841, i. Intell. 21 ; A. Rich. Tent. Fl. Abyss, ii. 496. 

 Isolepis corymhosa, Roem. & Schultes. Syst. Veg. ii. 110 and Mant. 65 ; 

 Kunth, Enum. ii. 216. /. inclinata, Delile, Fl. ^gypt. III. 50 ; Barbey, 

 Levant, t. 8, fig. 9. 



Xrile Kand. Abyssinia : near Adowa, Schimper, 288 ! and without precise 

 locality, Schimper, 84 ! 253 ! 687! British East Africa : Tana River, Gregory, 78 ! 

 along the River Kedong, 6000 ft., Scott-JElliot, 6511. 



Xiower Guinea. Angola : Golungo Alto ; near Sange, Welwilsch, 7015b \ 

 Cazengo; streams near Palmira, Welwitsch, 7016 I Ambaca; banks of the River 

 Lucala, Welwitsch, 6846 ! Pungo Andongo ; marshes between Ccmdo and Quisoiide, 

 Welwitsch, 6849! Huilla; Lake Ivantala, Welwitsch, 6976!- by the River 

 Catumba, Welwitsch, 6977 ! 



MCozaznb. Dlst. Zanzibar, Taylor ! German East Africa : Us mbara, Hoist, 

 2552 ! British Central Africa : Nyasaland; Naraasi, Cameron, 12 ! Shire Highlands, 

 Scott-Elliot, 8581 ! Mount Zomba, 4000-6000 ft., Whyte ! Ngamiland ; Lake River, 

 Lugard, 11 ! 



Also in Egypt, South Africa, Madagascar, and India. 



17. S. maritimus, Linn. Sp. PI. ed. 2, 74. Glabrous. Stolons 

 hardening into rhizomes. Stems 1-3 ft, long, stout, trigonous. 



