-82 
GLARIvE. 
2. Cyperus leucocephalus Retz. Obs. 5 (1789) 11. 
Stem with one dense globose head, 8 to 14 mm. in diameter. 
Hook. f. FI. Brit. Ind. 6: 602; Vidal, Rev. PI. Vase. Filip. 283; Phaner. 
Cuming Philip. 155. Cyperus Sorostachys Boeck. in Linnaea 35 (1867-68) 588. 
Sorostachys Kyllingioides Steud. Cyp, 71; Miq. FI. Nederl. Ind. 3: 296. 
Philippines, (1417 Cuming). 
Old World, in warm countries, from Senegal to Cochin-China and north 
Australia; also in Brazil, but less frequent. 
3. Cyperus uncinatus Poiret in Lam. Encycl. 7 (1806) 247. 
Annual, 5 to 15 cm. high; heads umbelled; glumes with a hooked 
mucro. 
Hemsl. in Journ. Linn. Soc. 36 (1903) 219. Cyperus cuspidatus H. B. K. 
Nov. Gen. et Spec. 1 (1815) 204; Vidal, Rev. PL Vase. Filip. 282; Phaner. 
Cuming Philip. 155. C. solutus Steud. Cyp. 14; Miq. FI. Nederl. Ind. 3: 263. 
Philippines, (676 Cuming). Luzon, (713 Loher). Mindanao, Lake Lanao, 
( Clemens ) . 
In the warmer parts of both hemispheres; a common species. 
4. Cyperus difformis Linn. Amoen. Acad. 4 (1759) 302. 
Annual, 30 to 65 cm. high; spikelets very small, closely agglomerated, 
umbel compound (or simple). 
Miq. FI. Nederl. Ind. 3: 369; Hook f. FI. Brit. Ind. 6: 599; Vidal Rev. PI. 
Vase. Filip. 283; Phaner. Cuming. Philip. 155; Hemsl. in Journ. Linn. Soc. 36 
(1903) 210. Cyperus subrotundus Llanos Fragm. PI. Filip. 14, fide Naves et 
Villar. 
Luzon, (549 Cuming) ■ (726 Loher) ; (3650 Merrill) • (5680, 6298 Elmer). 
Warmer Europe, Africa, warmer Asia, Australia, Polynesia; an abundant 
species. From America I have but two examples, one from New Mexico and one 
from Miehoacan ( Mexico ) . 
5. Cyperus Haspan Linn. Sp. PI. ed. 1, 45, ed. 2, 66 partim. 
Eoot in the second year creeping ; plant 3 to 6 dm. high, scantily leaved ; 
umbel usually compound. 
Hook. f. FI. Brit. Ind. 6: 600; Miq. FI. Nederl. Ind. 3: 267; Hemsl. in Journ. 
Linn. Soc. 36 (1903) 213." 
Luzon, (724, 725 Loher); (54 Merrill); (5845 Elmer); Mindanao, (1999 
Wichura) ; (Clemens); (582 Copeland) . 
Tropical and subtropical countries throughout the World; an abundant species. 
The type specimen in lib. Linn, propr., marked by him C. Haspan, is not this 
species, while among the pieces of C. Haspan scattered through his Herbarium, 
Linnaeus has named no one “C. Haspan.” 
6. Cyperus flavidus Retz. Obs. 15 (1789) 13. 
A n erect, short-lived annual, becoming, in three months, yellow or 
blackish. 
Hook. f. Fl. Brit. Ind. 6: 600. 
Philippines, (Llanos). Luzon, (718 Loher); (3657 Merrill). 
Tropical and subtropical Asia and Africa ; abundant. Also in North Australia. 
This is the common small Cyperus of dibbled rice. It rapidly withers as the 
rice field dries. It is difficult to draw a line between it and Cyperus Haspan. 
