50 C. B. Clarke: 



58. Mariscus flabclliformis H. B. K. glaber, rhizomate perbrevi, 



obliquo; culmis 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; spicis 15 mm. longis, 15 10 mm. latis, ovoideis aut cylindricis, 



densis, viridibus fuscescentibus; spiculis vulgo 7 mm. longis 1 mm. latis, 



linearibus, 3 8-nuciferis, proventu rectangulatim divaricatis, nume- 



rosis distantibus; glumis nucigeris ellipticis, obtusis, nervis 5 7 viri- 



dibus; nuce cum 2 / 3 parte glumae aequilonga, lineari oblonga; styli 



ramis 3. 



Mariscus flabelliformis H B. K Nov. Gen. et Sp. I (1815) p. 215. 



Cyperus flabelliformis Spreng. Syst. I (1825) p. 228; non Rottb. 



Cyperus earacasanus Kunth (?) Enum. II p. 86; Boeck. inlAn- 

 naea XXXVI (186970) p. 358. 



Cyperus platystachyus Griseb.! Flor. (1864) p. 567. 



Cyperus subutatus Nees! in Flora XI (1828) p. 335; nec Nees 

 in Linnaea IX (1834) p. 285. 



Cyperus Ha?'tii Boeck/ Cyp. 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 b ; Trinidad: Hart n. 3405. 



Distrib. in Africa tropica, Java, Polynesia, America centrali, late sparsa. 



59. Mariscus confertus C. B. Clarke, glaber, rhizomate 3 cm. longo, 

 repente (vel planta mterdum primo anno florens); culmis 1 4 dm. longis, 

 mediocribus; foliis cum culmis saepe aequilongis, 3 4 mm. latis; um- 

 bella simplice radiis paucis 1 6 cm. longis vel saepe in caput 1 con- 

 tracta; bracteis 1 2 dm. longis, cum foliis consimilibus; spicis 1 cm. 

 iongis et latis, densis, viridibus proventu iutescentibus; spiculis 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 l f 2 3 /s parte glu- 

 mae aequilonga, obtuse obovoidea, trigona, lutea proventu brunescente; 

 styli ramis 3. 



Cyperus confertus Swartx Prool. (1788) p. 20 et Fl. Ind. Occid. 

 I p. 115; Kunth Eui/m. II p. 23; Griseb.f Flor. p. 563 pro parva 

 parte; Boeck,! in Linnaea XXXV (186768) p. 514. 



Cyperus dissitiflorus et C. biuncialis N. J. Anderss. in Handl. 

 Kong. Akad. Stockh, (185355) p. 153, 156. 



Hab. in Jamaica: Harris n. 6641, March, Wright (alt. 700 pod.); 

 Haiti: Poiteau; Portorico: Sintenis n. 3714, 5465 1 '; St. Thomas: 

 Eggers n. 833 b , Hornemann n. 104; Martinique: Duss n. 46, 453. 



Distrib. in Colombia, Veuezuela, ins. Gralapagos. 



