96 MEMOIRS OF THE NEW YORK BOTANICAL GARDEN [Vol. 9, No. 1 



Cyperus ? derreilma Steud. Flora 25: 585. 1842; Kiikenth. Pflanzenreich 38 (4 20 ): 

 199. 1935. 



Mlanje District: Mlanje Mountain; Luchenya Plateau, occasional on sheltered 

 grasslands, in large clumps, 1890 m., July 6, 1946, 16698. Abyssinia, Belgian 

 Congo. New to Nyasaland. Inflorescence poorly developed. 



Cyperus pseudoleptocladus Kiikenth. Repert. Spec. Nov. 29: 196. 1931; Pflan- 

 zenreich 38 (4 20 ): 201. 1935. 



Cyperus leptocladus Oliver, Trans. Linn. Soc. II. Bot. 2: 353. 1884. Not C. leptocladus 

 Kunth, 1837. 



Cyperus deckenii Bock. sec. C. B. Clarke in Dyer, Fl. Trop. Afr. 8: 342. 1902. 

 Cyperus baronii C. B. Clarke in Dyer, Fl. Trop. Afr. 8: 344, partim^ 1902. 



Zomba District: Zomba Plateau, frequent in shade of rocks in face of a bluff, 

 leaves glaucous below, 1500 m. June 2, 1946, 16148. Mlanje District: Mlanje 

 Mountain; Luchenya Plateau, sporadic on forest floor, in dense shade, stems 

 several in small clumps or solitary, 1890 m., July 7, 1946, 16709. Cholo District: 

 Cholo Mountain, abundant in an open rocky situation in rain forest, gregarious, 

 1400 m., Sept. 20, 1946, 17664. Tanganyika Territory. 



Cyperus zambesiensis C. B. Clarke in Dyer, Fl. Trop. Afr. 8: 345. 1901. 



Cyperus glaucophyllus Bock. var. zambesiensis (C. B. Clarke) Kiikenth. Pflanzenreich 

 38(4 20 ): 203. 1935. 



Kota-kota District: Nchisi Mountain, frequent in openings in rain forest; leaves 

 deeply channelled; stems solitary, erect; 1500 m., July 29, 1946, 17017; occa- 

 sional in shrubby forest borders, leaves deeply channelled, etc., 1500 m., July 29, 

 1946, 17020. Tanganyika Territory ? 



The combination Cyperus zambesiensis C. B. Clarke was published, but with- 

 out description, in Trans. Linn. Soc. II. Bot. 4: 53 (1894); and in Durand & Schinz, 

 Consp. Fl. Afr. 5: 581 (1894); the former based on Whyte s.n. and Buchanan 647 

 and the latter (and subsequently) on Buchanan 47. 



Cyperus leptocladus Kunth, Enum. PI. 2: 32. 1837; Kiikenth. Pflanzenreich 38(4 20 ): 

 205. 1935. 



Zomba District: Zomba Plateau, several plants on a moist shady riverbank, 

 stems very soft and weak, pendent, 1500 m., June 7, 1946, 16296. S. Africa. A 

 weak, shade form. 



Cyperus difformis L. Cent. PI. 2: 6. 1756; Kiikenth. Pflanzenreich 38 (4 20 ): 237. 

 1935. 



Kota-kota District: Benga, west shore of Lake Nyasa, scattered on sandy 

 beaches, 470 m., Sept. 2, 1946, 17492. Warm temperate, subtropical, and tropical 

 regions of the Old World. 



Cyperus sphaerospermus Schrad. Anal. Fl. Capens. 8. 1832. 



Cyperus denudatus L. var. sphaerospermus (Schrad.) Kiikenth. Pflanzenreich 38(4 20 ): 

 255. 1935. 



Mlanje District: Mlanje Mountain; Luchenya Plateau, occasional in grassy forest 

 areas, 1890 m., July 6, 1946, 16696. S. Tropical Africa, S. Africa. A weak, shade 

 form. 



Cyperus angolensis Bock. Flora 63: 435. 1880; Kiikenth. Pflanzenreich 38(4 a0 ): 

 1935. 



Kota-kota District: Chenga Hill, sporadic in low open Brachystegia woodland; 

 leaves rigid, young shoots flowering after grass is burnt; 1600 m., Sept. 9, 1946, 

 17600. Tropical Africa. 



