Marisens.| CLYI, CYPERACER (CLARKE). 385 
spikes ; bracts 3, similar to the leaves, lowest up to 3 in. long. Spikes 
of 10-12 loosely arranged spikelets. Spikelets } by #7 in., ripening 5 
nuts, red-brown; rhachilla winged, disarticulating above the two lowest 
empty glumes ; even the wings hairy. Glumes remote, elliptic-oblong, 
obtuse, many-striate, minutely pubescent, finally adpressed erect. Nut 
3 the length of the glume, linear-oblong, red-brown. 
Nile Land. British East Africa: Leikipia; at the springs of Njoro Larabwal, 
Gregory, 65 ! 
Mozamb. Dist. German East Africa: between the coast and Uyui, Taylor ! 
14, M. leptophyllus, (. B. Clarke in Durand &: Schinz, Conspect. 
Fl. Afr. v. 589. Glabrous. Stolons 0. Stems closely approximate, 
8-16 in. long, slender, at the top trigonous and smooth, at the base 
oblong-thickened by scarious withering leaf-sheaths. Leaves 2 the 
length of the stem, jz in. broad, weak. Umbel-rays 2-3, up to 1-1} in. 
long, each with 3-1 spikes; bracts 4, similar to the leaves, lowest up to 
4-6 in. long. Spikes ovoid or ellipsoid in outline, reddish varying 
from nearly white to a rich brown, of 6-16 spikelets. Spikelets 
} by 34 in., moderately compressed, ripening 6-8 nuts ; rhachilla winged, 
disarticulating above the two lowest empty glumes and leaving a little 
cushion. Glumes ovate-oblong, obtuse, with 7 ribs ; rather distantly 
placed on the rhachilla. Nut 3—2 the length of the glume, ellipsoid, 
trigonous, brown. Style shorter than the nut; branches 3, linear, 
exserted.—Cyperus leptophyllus, Hochst. in Flora, 1844, 101 ; Boeck. 
In Linnea, xxxvi. 299 ; Engl. Hochgebirsfl. Trop. Afr. 143 ; Schweinf. 
in Bull, Herb. Boiss. ii. Append. ii. 48, 103. C. amauropus, Steud. Syn. 
Pl. Glum. ii. 33 ; O. B. Clarke in Journ. Linn. Soe. xxi. 182 ; K.Schum. 
i Engl. Pf, Ost-Afr. C. 120. C. budbosus, var., Steud. in Flora, 1842, 
994; A. Rich. Tent. Fl. Abyss. ii. 483; not of Vahl. 
Nile Land. Nubia: Hor Tamanib, Lord! Eritrea: Keren, Beccari, 1601 
Steudner, 906! Valley of Haddas, 3200 ft., Schweinfurth, 112! Abyssinia : Samen ; 
Mountains at Shoata, Schimper, 13891! and without precise locality, Schimper, 183 ! 
“ing East Africa: Athi, Gregory, 30! Kikumbuliyu ; Ngomeni, Scott-Elliot, 
_Mozamb. Dist. Zanzibar, Taylor! German East Africa : Usmawo; Kageyi, 
‘scher, 632! Karagwe; Bukoba, Stuhlmann, 1046! 
Also in Egypt and Arabia. 
15. M. vestitus, (. B. Clarke in Durand & Schinz, Conspect. Fl. 
4fr. v. 595. Leaves greener with less withered sheaths. Rays of 
umbel more numerous, 2—7. Spikelets narrower, subterete. Glumes 
Minutely mucronate ; otherwise as Jf. leptophyllus.—C. B. Clarke in 
Dyer, F'. Cap. vii. 188. Cyperus vestitus, Hochst. ex Krauss in Flora, 
1845, 755; K.Schum. in Engl. Pfl. Ost-Afr. C.118. C. usitatus, Boeck. 
Linnea, xxxv. 511; OC. B. Clarke in Journ. Linn. Soc. xxi. 176; 
hot of Burchell. 
Wile Land. British East Africa: Mau district, 7000 ft., Scott-Elliot, 6857 ! 
-Mozamb. Dist. (German East Africa: Karagwe; at Kavingo, on the River 
Kagera, Stuhlmann, 1945! British Central Africa: Nyasaland ; Mandala, Scott- 
VOL. VIII. 2c 
