88 
CLARKE. 
4. Mariscus Sieberianus Nees in Linnsea 9 (1834) 286. 
Umbel simple, spikes cylindric, pednncled ; spikelets in frnit spreading 
or decurved, maturing one or two nuts. 
Hook. f. FI. Brit. Ind.' 6: 622; Hemsl. in Journ. Linn. Soc. 36 (1903) 221. 
Mariscus umbellatus Yahl. Enum. 2: 376 pro parte; Miq. FI. Nederl. Ind. 3: 288. 
M. cyperinus Presl ! in Oken Isis 21 (1828) 270, non Vahl. Cyperus umbellatus 
Miq. in Ann. Mus. Lugd. Bat. 2: 142, non Roxb. 
Luzon, (783, 784, 785 Loher) ; (6472 Elmer). 
In all warm countries ; very common. 
5. Mariscus Philippensis Steud. Cyp. (1855) 66, cliar. emend. 
Spikes exactly cylindric, very dense with small spikelets. 
Miq. FI. Nederl. Ind. 3: 290; Merr. in Philip. Journ. Sci. 1 (1906) Suppl. 1: 
30. Mariscus umbellatus Presl, Rel. Haenk. 1 : 181. Cyperus cylindrostachys 
Boeck. ! Linnsea 36 (1869-70) 383, partim; Vidal, Rev. PI. Vase. Filip. 283; 
Phaner. Cuming Philip. 155. 
Luzon, (568 Cuming) (No. 1422 in hb. Hooker) ; (1863, 1866 Wichura) ; (3277 
Merrill) . 
Philippines and Hainan. 
This is hardly more that a geographic form of the universally distributed 
Mariscus Sieberianus. 
Sect. III. Leaf sheaths herbaceous j spikelets ripening 3 or more 
( sometimes 15) nuts. 
6. Mariscus microcephalus Presl ! Rel. Haenk. 1 (1830) 182. 
Large and with large compound umbels; spikelets linear, often 1 cm. 
long, brown.- 
Miq. FI, Nederl. Ind. 3: 290; Hook. f. FI. Brit. Ind. 6: 624; Hemsl. in Journ. 
Linn. Soc. 36 (1903) 221; Merrill, Philip. Journ. Sci. 1 (1906) Suppl. 1: 30. 
Cyperus dilutus Vahl. Enum. 2 : 357 ; Miq. 1. c. 285 ; Vidal, Rev. PI. Vase. Filip. 
283; Phaner. Cuming. Philip. 155. C. Haenkeanus Kunth, Enum. 2: 93. C. sep- 
tatus Steud. ! in Zoll. Verz. Ind. Archip. heft 2, 62; Cyp. 46; Miq. FI. Nederl. Ind. 
3: 284, et Suppl. 260. C. cuadriflorus (i. e. quadriflorus) Llanos, Fragm. PI. 
Filip. 18. C. microcephalus Naves in Blanco FI. Filip. Nov. App. 304, non R. Br. 
C. Qrabowskianus Boeck. in Engl. Jahrb. 5 (1884) 502. C. rufus Nees in Linnsea 
9 (1834) 285. 
Luzon, (538 Cuming) ; (869 Jagor) ; (788 Loher) ; (Meyen) • (3983 Vidal) ; 
( 1566 Merrill) ; [5531 Elmer). Culion, (470 Merrill) . Panay, ( 1656 Cuming) . 
Mindanao, (2000 Wichura) ; (581 Copeland). 
Usually very large, but as in many species of Cyperacece, small examples occur. 
The “type” example of Presl, is very young, the heads being quite small ; hence his 
inappropriate specific name. 
Southeastern Asia ; common. Also in Bourbon, Mauritius. 
7. Mariscus albescens Gaudich. in Freyeinet Voy. (1826) 415. 
A strong plant, leaves almost spongy with transverse lines ; umbel 
compound; spikelets turgid, ripening 3 to 6 nuts. 
Hook. f. FI. Brit. Ind. 6: 623; Hemsl. in Journ. Linn. Soc. 36 (1903) 220; 
Merrill in Philip. Journ. Sci. 1 (1906) Suppl. 1: 30. Cyperus stuppeus Forst. f. 
