50 C. B. CLArEE: 
58. Marisceus flabelliformis H. B. K. glaber, rhizomate perbrevi, 
obliquo; eulmis 3— 5 dm. longis, gracilioribus; foliis culmo saepe longiori- 
bus, 3 mm. latis; umbella simplice, radiis 2—8 brevibus, saepius 2 cm. 
longis; bracteis 4—6, usque ad 1—2 dm. longis, cum foliis consimili- 
bus; spieis 15 mm. longis, 15—10 mm. latis, ovoideis aut eylindrieis, 
densis, viridibus fuscescentibus; spieulis vulgo 7 mm. longis 1 mm. latis, 
linearibus, 3—8-nueiferis, proventu rectangulatim divaricatis, nume- 
rosis distantibus; glumis nucigeris elliptieis, obtusis, nervis 5—7 viri- 
dibus; nuce cum ?/, parte glumae aequilonga, lineari oblonga; styli 
ramis 3. 
Mariscus flabelliformis H. B. K. Nov. Gen. et Sp. I (1815) p- 212. 
Oyperus flabelliformis Spreng. Syst. I (1825) p. 228; non Rottb. 
Cyperus caracasanus Kunth (2) Enum. II p. 86; Boeck. in Lin- 
naea XXXVI (1869—70) p. 358. 
Oyperus platystachyus Griseb.! Flor. (1864) p. 567. 
Oyperus subulatus Nees! in Flora XI (1828) p. 335; nee Nees 
in Linnaea IX. (1834) p. 285. 
Cyperus Hartii Boeck.! Oyp. Novae. Heft 1 (1888) p. 9; Duss 
Flor. p. 539. 
Hab. in Jamaica: Eggers n. 3453, 3710, Hart n. 759, March, 
Swartz; Martinique: Duss n. 450°; Trinidad: Hart n. 3405. 
Distrib. in Africa tropica, Java, Polynesia, America centrali, late sparsa. 
59. Mariseus eonfertus ©. B. Clarke, glaber, rhizomate 3 cm. longo, 
repente (vel planta interdum primo anno florens); eulmis 1— 4 dm. longis, 
mediocribus; foliis cum culmis saepe aequilongis, 3—4 mm. latis; um- 
bella simplice radiis paueis 1—6 cm. longis vel saepe in caput 1 con- 
tracta; bracteis 1—2 dm. longis, cum foliis consimilibus; spieis 1 cm. 
longis et latis, densis, viridibus proventu lutescentibus; spieulis 6 mm. 
longis 2 mm. latis, multum compressis, 3—12-nim breviter spicatis, 
4— 9-nucigeris; glumis nucigeris navicularibus, ovatis, acutis, mucrone 
parvo paullo recurvato; staminibus 3—2; nuce cum 1, —°/, parte glu- 
mae aequilonga, obtuse obovoidea, trigona, lutea proventu brunescente; 
styli ramis 3. 
Cyperus confertus Swartz Prod. (1788) p. 20 et Fl. Ind. Occid. 
I p. 115; Kunth Enum. II p. 23; Griseb.! Flor. p. 563 pro parva 
parte; Boeck.! in Linnaca XXXV (1867—68) p. 514. 
Oyperus dissitiflorus et C. biuneialis N. J. Anderss. in Handl. 
Kong. Akad. Stockh. (1853— 55) p. 153, 156. 
‚ Hab. in Jamaica: Harris n. 6641, March, Wright (alt. 700 ped.); 
Haiti: Poiteau; Portorico: Sintenis n. 3714, 5465»: St. Thomas: 
Eggers n. 833°, Hornemann n. 104; Martinique: Duss n. 46, 453. 
Distrib. in Colombia, Venezuela, ins. Galapagos. 
