44 C. B. Clauke: 



latis; umbella simplice, raro ad caput 1 reducta, radiis — 8, usque 

 ad 2 — 7 cm. longis; bracteis 3 — 6, usque ad 10 — 15 cm. longis, cum 

 foliis consimilibus; spicis ovoideis, 7 — 15 mm. longis, fuscis; spiculis 

 maturis 6 mm. longis, usque ad 3 — 5-nucigeris; stylo 3-fido; nuce 

 cum Y2 — Vs P^i'te glumae aequilonga, anguste obovoidea. 



Mariscus echinatns ElUott Bot. S. Carol. I (1816) p. 75 t. 3 fig. 1. 



Mariscus ovularis Ktmih Emmi. II p. 121 partim; Vahl Eniwi. 

 II p. 357 partim i. e. exemplum Portoricense. 



Cyperus glohulosus Äiibl. Ouiaiia I (1775) p. 47. 



Cyperus C7'0ceus Vahl Enum. II (1806) p. 357. 



Cyperus Baldwinii Torrey in Ann. Lyccum Neiv York III (1836) 

 p. 270. 



Cyperus cyclostachyus Oriseh.! Flor. (1864) p. 567. 



Cyperus echinatus Britton in Bull. Torrey Club XV (1888) p. 99. 



Cyperus paniceus Boeck.f ms. in Eygers n. 431, minifne Mariscus 

 paniceus Vahl. 



Sloane Jamaica I p. 119 t. 79 fiy. 1. 



Hab. in Jamaica: March n. 15; Portorico ad Playa de Humacao 

 locis uliginosis: Eggers n. 431, 588. 



Distrib. in America septentr. orientali frequeus; etiam in equinoctiali. 



48. Mariscus tetrag'onus C. B. Clarke, glaber, rhizomate brevi, 

 horizontali; culmis 4 — 10 dm. longis, mediocribus aut robustioribus, 

 apice triquetris scabris; foliis culmo parum brevioribus, 4 — 6 mm. latis; 

 umbellae simplicis radiis 5 — 10 cm. longis; bracteis 5 — 8 usque ad 

 15 — 25 cm. longis, cum foliis consimilibus; spicis in apice uniuscuj us- 

 que radii paucis digitatis vel solitariis, 3 cm. longis 1 cm. latis, exacte 

 c^iindricis, subcastaneo-bruneis; spiculis distantibus, rectangulatim pa- 

 tulis, 6 mm. longis IY2 i^^n^- latis, 3 — 5-nucigeris, tetragonis; glumis 

 nucigeris üavicularibus, ovatis, obtusis vix mucronulatis, 7-nerviis; stylo 

 3-fido; nuce cum ^j^ — V4 parte glumae aequilonga, late oblonga aut 

 subellipsoidea, trigona. 



Cyperus tetragonus Elliot Bot. S. Carol. I (1816) p. 71; Kunth 

 Enum. II p. 113. 



Cyperus anceps Liebm. Mexic. Halvgr. (1850) p. 25; Griseb. PL 

 Cub. p. 238 et Flor. p. 567; Sauv. Cub. n. 2591 p. 172. 



Cyperus amphekes Steud. Cyp. (1855) p. 56. 



Cyperus mariinicensis Boeck.f Cyp. Novae. Heft 2 (1890) p. 38; 

 Duss Flor. p. 542. 



Hab. in Cuba: fide Liebraanni|; Jamaica: Wullschlaegel n. 1126; 

 Martinique: Duss n. 471. 



Distri)). in Amci'ica septentr. orientali et Mexico sat frcqiiens. 



