Pycreus. | CLVI. CYPERACE (CLARKE). 295: 
Bot. ii. 125; K. Schum. in Engl. Pfl. Ost-Afr. C. 117. C. densifolius, 
Nees ex Kunth, Enum. ii. 114; Steud. Syn. Pl. Glum. ii. 6. A. disticho- 
phyllus, Steud. in Flora, 1842, 582, and Syn. Pl. Glum. ii. 11; Boeck, 
in Linnea, xxxv. 488. C. turfosus, Krauss in Flora, 1845, 754; Daveau 
in Bull. Soc. bot. France, xli. (1894) 279; Salzmann ex Kunth, Enum, 
u.7. C. Eragrostis, A. Rich. Tent. Fl. Abyss. ii. 475 ; Wilk. & Lange, 
Fl. Hisp.i.138; Schweinf. Beitr. Fl. Aethiop. 215; Kunth, Enum. ii. 7 
in Obs, ; Engl. Hochgebirgsfl. Trop. Afr. 138 partly ; not of Vahl, 
Wile. Land. Abyssinia: Tigre; near Adowa, Schimper, 745! Begemeder, 
Schimper, 344! and without precise locality, Schimper, 760! British East Africa ;) 
White Nile, at the mouth of the River Sobat, Schweinfurth, 1116! Bahr et Ghazal, 
nae mouth of the Bahr el Arab, Schweinfurth, 1119! Uganda, Stuhlmann, 
74! ie 
Lower Guinea. Angola: Mossamedes ; by the Lake of Giraul, 1000 ft., 
Welwitsch, 6885! Loanda, 1000 ft., Welwitsch, 7092! Golungo Alto ; by the River 
Casabella, | Welwitsch, 70928! Pungo Andongo ;.by streams in the Presidium, near 
Cabonda, 3500 {t., Welwitsch, 6926! 
_ South Central. Lunda: Mukenge, Pogge, 1581! 
Mozamb. Dist. German East Africa: Karagwe; Bukoba, Stuhlmann, 9981 
Unyamwezi ; Tabora, Stuhlmann, 520! British Central Africa : Nyasaland ; Shiré 
Highlands, Buchanan, 56! and without precise locality, Buchanan, 463! 1001! : 
Throughout Africa, the Mascarene Is!ands, and in Spain. 
_ This common African plant has been continually mixed with P. Eragrostis ever 
since Hochstetter issued Schimper, 760, as Cyperus Eragrostis. The two species 
are evidently allied, very alike in habit and leaves, but separated at a glance by the 
spikelets, which are turgid in P. Eragrostis. : 
12. P. nitens, Vees in Nov. Act. Nat. Cur. xix. Suppl. i. (1848) 93. 
Annual. Stems cespitose, }-12 in. long, rather slender. Leaves basal, 
often as long as the stem, ;!; in. broad, weak. Umbel simple, rays 1-6 ; 
bracts 3-6, lowest 4-6 in. long, similar to the leaves. Spikelets 5-30 
in a spike }-1 by 1, in., 8-44-flowered, straw-coloured or pale brown. 
umes ovate, boat-shaped, 3—5-nerved on the keel, in the common form, 
usually with a curved mucro, in the African examples nearly muticous. 
Nut minute, 4-2 the length of the glume, obovoid, pale brown.—C. B. 
Clarke in Hook. f. Fl. Brit. Ind. vi. 591, and in Durand & Schinz, Con- 
spect. Fl. Afr. v. 539; Urban, Symb. Antill. ii. 16 ; Rendle in Cat. Afr. 
Pl. Welw. ii. 108, Cyperus pumilus, Linn. Amen. Acad. iv. 302, Sp. Pl. 
ed. 2, 69, and herb. propr.; Kunth, Enum. ii. 4 (only in small part) ; 
C. B. Clarke in Journ. Linn. Soc. xxi. 43 ; Ridley in Trans. Linn. Soc. 
ser, 2, Bot. ii, 129; K. Schum. in Engl. Pfl. Ost-Afr. C. 118; not of 
Rottb. nor of Nees. (. nitens, Retz. Obs. v. 13 (?); Vahl, Enum. ii. 331; 
Kunth, Enum. ii. 3; Boeck. in Linnea, xxxv. 483. C. patens, Vahl, 
Enum. ij. 334 ; Schumach. & Thonn. Beskr. Guin. Pl. 36; Kunth, 
Enum. ii. 16. @. truncatulus, Steud. in Flora, 1842, 581, and Syn. Pl. 
Glum. ii. 10. C. lawiusculus, Steud. Syn. Pl. Glum. ii. 14. @. commu- 
datus, Steud, Syn. Pl. Glum. ii.10. C. terminalis, Steud. Syn. Pl. Glum. 
ii. 5. CO. squarrosus, Kotschy ex C. B. Clarke in Journ. Linn, Soc. xxi. 
45. Dichostylis nitens and D. patens, Palla in Engl. Jahrb. x. 296. 
Upper Guinea. Senegambia, Heudelot, 331}! Leprieur, 7! 
