Pycreus. | CLVI. CYPERACEZ (CLARKE). 303 
Clarke in Journ, Linn. Soc. xxi. 66. C. cimicinus, Presl, Rel. Haenk. 
1.166. C. ischnocormis, Steud. Syn. Pl. Glum. ii. 11. C. Hragrostis, 
Schweinf. in Bull. Herb. Boiss. ii. Append. ii. 46, 102. — 
_ Upper Guinea. Fernando Po, 8500 ft., Mann, 1470! 
Nile Land. By the Nile between Khartoum and Shendy, Bromfield ! Eritrea: 
Belta Felkat, 4900 ft., Schweinfurth § Riva, 1050! near Saganeiti, 7200 ft., 
Schweinfurth & Riva, 1735! Deghorra Valley, near Saganeiti, 7200 ft., Schwein- 
furth § Riva, 1779! Acrur, 6000 ft., Schweinfurth & Riva, 1773! Abyssinia : 
Tigre; Sholoda Mountain, |\Schimper, 25! Mettgalo Mountain, Schimper, 845! 
near Adowa, Schimper, 312! Samen; marshes near Demerki, Schimper, 574! Mount 
Bachit, Schimper, 118! Begemeder; Senka Berr, on the River Reb, 7000 ft., 
Schimper ! Magdala, Steudner, 925 ! 928! Lotho, Schimper, 470! Dehli-Dikeno, 
4000 ft., Schimper, 272! Shoa; Ankober, Roth! and without precise locality, 
Schimper, 505! 965! 1245! Quartin-Dillon & Petit ! 
Mozamb, Dist. German East Africa: Kilimanjaro; Marangu, 5000 ft., 
Volkens, 653! 691! 761! Taylor ! Usambara; Heboma, Holst, 2553! Karagwe ; 
Ihangiro, Stuhlmann, 3342! British Central Africa: North Nyasaland, Whyte ! 
Mount Zomba, 4000-6000 ft., Whyte! 
Also in Natal and Tropical America. 
The South American Cyperus cimicinus, Presl, is identical with the African 
P. elegantulus. 
28. P. umbrosus, Nees in Linnea, x. 130. Stronger than any of 
the preceding species, the Tropical African examples large. Stolons 
(in Schweinfurth, 1219) exceeding 12 by 4 in., clothed with ovate black- 
brown scales 1 in. long. Stems up to 12-18 in. long. Leaves exceed- 
ing the stem, } in. broad; sheaths fleshy with transverse linéolations. 
Umbel subsimple; rays 3-7, up to 2 in. long, stout; bracts 4, lowest 6 
in. long, similar to the leaves. Spikes of 3-8 spikelets, loosely or closely 
spicate, ebracteolate. Spikelets up to } by 3 in., 16-flowered, brown to 
chestnut-black, compressed. Glumes ovate, obtuse, one-coloured, not 
nerved on the sides, keel yellowish-brown or green. Style shorter 
than the nut; branches 2, shortly exserted. Nut } the length of the 
glume, obovoid, dark-brown, smooth.—C. B. Clarke in Durand «& Schinz, 
Conspect. Fl. Afr. v. 543, and in Dyer, Fl. Cap. vii. 158 ; Rendle in 
Cat. Afr. Pl. Welw. ii. 107. Cyperus lanceus, Thunb. Prodr, 18, and 
Fi. Cap. ed. Schult. 101; Kunth, Enum. ii. 8, excl. vars. B, '¥3 
K. Schum. in Engl. Pf. Ost-Afr. C. 117. C. melanopus, Boeck. in Flora, 
1879, 545. C. brumneo-ater, Boeck. in Engl. Jahrb. v. 498. C. fulvus, 
Ridley in Trans. Linn. Soc. ser. 2, Bot. ii. 126; Engl. Hochgebirgsfl. 
Trop. Afr. 138. 
Wile Land. British East Africa: by the Bahr el Ghazal, near the Nuer 
Villages, Schweinfurth, 1219! 
_. Gower Guinea. Angola: Huilla; 5 
Eme, Welwitsch, 6872! near the river in Lopollo district, Wel 
. Mozamb. Dist. Zanzibar, Taylor! 
Also in South Africa and Madagascar. 
I have described above from the Tropical African plant, which is considerably 
larger and more fleshy than the Cape rigid form. Boeckeler esteems Schweinfurth, 
000 ft., damp places between Lopollo and 
witsch, 6881! 
