158. CYPERACE. 211 
The tropies and warm temperate zones of the Old World—a 
rice-field weed. 
9. Cyperus diffusus, Vahl, Enum. ii. p. 321; Kwnth, Enum. 
Pl. ii. p. 30; Nees, in Nov. Act. Acad. Nat. Cur. xix. Suppl. i. 
(1843) p. 58; C. B. Clarke, in Hook. f. Fl. Brit. Ind. vi. p. 603. 
Cyperus elegans, Swartz, Obs. Bot. p. 30 ; Kunth, Enum, Pl. ii. p. 28; 
Boeck. in Linnea, xxxv. (1867-8) p. 582, non Linn. 
Cyperus meestus, Kunth, Enum. Pl. ii. p. 31. 
Cyperus nigro-viridis, Thwaites, Enum, FL Zeyl. p. 344; Hance, in 
Journ. Linn. Soc., Dot. xiii. (1873) p. 131. 
CuEKIANG : Chusan (Yvan!); Kwaxaruna: Whampoa (Samp- 
son, hb. Hance, 2149!); Honexoxe (Harland!). Mus. Brit. ; 
Herb. Kew. 
The tropics in South-east Asia and in America; a sylvan 
species. 
10. Cyperus digitatus, Roxb. Hort. Beng. p. 81, et Fl. Ind. 
(ed. Wall. et Carey) i. p. 209; C. B. Clarke, in Hook. f. Fl. 
Brit. Ind. vi. p. 618. 
Cyperus auricomus, Benth. Fl. Austral. vii. p. 286. 
Cyperus venustus, Nees, in Flora, xi. (1828) p. 333, et in Wight Contrib. 
p. 86; non R. br. 
Cyperus Neesii, Kunth, Enum. Pl. ii. p. 101, syn. Linn. exel.; Boeck. in 
Linnea, xxxvi. (1869-70) p. 315. 
Cyperus verticillatus, Nees, in Wight, Contrib. p. 87, pro parte. 
Formosa: Takow (A. Henry, 1862, 1862 A!); Yunnan: 
Mengtze, 5000 feet (4. Henry, 11320!); Kwanesr (Wenyon !), 
Lungchow (A. Henry, 685 !). Herb. Kew. 
Tropie and subtropic regions of the world ; abundant in 
India, frequent in America, rare in Africa. 
11. Cyperus distans, Linn. f. Suppl. p. 103; Beauv. Fl. Owar. 
i. p. 35, t. 20; Benth. Fl. Hongk. p. 387; Kunth, Enum. Pl. i. 
p. 98; Hook. et Arn. Bot. Beechey's Voy. p. 223; Boeck. in 
Linnea, xxxv. (1867-8) p. 612; Franch. in Bull. Soc. Bot. 
France, xxix. (1882) p. 12; C. B. Clarke, in Hook. f. Fl. Brit. 
Ind. vi. p. 607 ; Linneus, MS. 
Formosa (A. Henry, 1011, 1041!), Takow (Playfair 108 D; 
Kwaneruna : Lofaushan (Ford, 121, 124!), Macao (d’Incar- 
ville! Fauvel!) Mus. Brit.; Herb. Kew. ° 
Throughout the warmer regions of the world, in rice-fields 
and ditches. 
ws 
