358 CLVI. CYPERACEE (CLARKE). [ Cyperus. 
and in Dyer, Fl. Cap. vii. 181; Rendle in Cat. Afr. Pl, Welw. i. 116. 
C. diphyllus, Retz. Obs. v. 11; Kunth, Enum. ii. 54; Boeck. in 
Linnea, xxxvi. 272, var. 8, not of Benth. C. articulatus, Ridley in 
Trans. Linn. Soc. ser. 2, Bot. ii. 141 partly. 
Lower Guinea. Angola: Pungo Andongo; banks of the River Lombe 
Welwitsch, 6937 ! 
Also in Natal and Madagascar, extending to India, and in the warm parts of 
America. 
86. C. schimperianus, Stewd. Syn. Pl. Glum. ii. 34. Glabrous. 
Stems 1-3 ft. long, approximate on a woody rhizome, round, at the 
very top round or hardly round-trigonous. Leaves short, rarely } the 
length of the stem, } in. broad. Umbel 3-10 in. in diam., usually 
compound ; bracts 4-7, usually exceeding the umbel, similar to the 
leaves. Spikes of 3-20 loosely arranged spikelets, often drooping. 
Spikelets $-} by } in., compressed, chestnut-brown or bright browa, 
12—24-flowered ; wings of rhachilla narrow oblong, separating from 
the glume, finally deciduous; glumes elliptic, obtuse, not striate, 10 
fruit very distant. Nut } the length of the glume, oblong-obovoid ; 
style-branches 3, long.—Boeck. in Linnea, xxxvi. 277, and in Flora, 
1879, 551; Schweinf. Beitr. Fl. Aethiop. 216, Pl. Nilot. 40, and in 
Bull. Herb. Boiss. ii. Append. ii. 48; C. B. Clarke in Durand & 
Schinz, Conspect. Fl. Afr. v. 576 ; Engl. Hochgebirgsfl. Trop. Afr. 142, 
C’. elongatus, Lej.ex Nees in Linnea, ix. 285 (name only). C. truncatus, 
A. Rich. Tent. Fl. Abyss. ii. 487. C. amblyleptos, Steud. Syn. Pi. 
Glum. ii. 30. ©. longus, Hochst. in Flora, 1841, i. Intell. 21; 
A. Rich. Tent. Fl. Abyss. ii. 484; T. Thoms. in Speke, Nile, Append. 
653; Oliver in Trans. Linn. Soc. xxix. 165, not of Linn. C. tegetum, 
C. B. Clarke in Journ. Linn. Soc. xxi. 160 partly. C. longus, var. 
elongata, C. B, Clarke in Journ. Linn. Soc. xxi. 166 partly. C. phymatodes, 
Schweinf. Beitr. Fl. Aethiop. 2152 not of Muhl. @. nudiculmis, 
Sieber ex C. B. Clarke in Journ. Linn. Soc. xxi. 161.  C. esculentus, 
herb. Sieber partly. C’. aterrimus, Boeck. ex C. B. Clarke in Durand 
& Schinz, Conspect. Fl. Afr. v. 576. 
Wile Land. Ethiopia, Kotschy, 361! Nubia: on rocks in the Nile ane 
Mount Rayan, at the Gherri Cataract, Speke § Grant / Dongola, Ehrenberg: 
Sedob, Schweinfurth, 616! Berber, Schweinfurth, 743! Abyssinia: near Adowa, 
Schimper, 57! 1994! Hamedo, 4900 ft., Schimper, 854! Ungea, 5900 ft., Sehimper, 
569! and without precise locality, Schimper, 539! 688! Rohlfs and Stecker, 48° ‘ 
Mozamb. Dist. German East Africa: Usambara; Bombuera, Holst, 2209+ 
Kilimanjaro, 5000 ft., Taylor. 
This species is readily separated from C. longus, Linn. (with which it has been 
greatly confused) by the glumes standing altogether separate in fruit with their 
margins inrolled. The species is so close to the Indian C. tegetum, Roxb., that I can 
allege no difference except the remarkable roundness of the stem in C. schimpertan™®, 
which character distinguishes it also from its African neighbours. 
87. C. aterrimus, Steud. Syn. Pl. Glum. ii. 31. sprang 
Stems 2-3 ft. long, approximate on a very short rhizome, at the e 
acutely triquetrous. Leaves ? the length of the stems, 4 in. as 
Umbel 3-8 in. in diam., with unequal divaricate (often reflexed) rays> 
