Cyperaceae. 51 



60. Mariscus bruneus C. B. Clarke, glaber, rhizomate horizontali, 

 3 mm. in diam.; culmis 1 6 dm. longis; foliis culmiim saepe superan- 

 tibus, usque ad 5 6 mm. latis, lentis nec transversim lineolatis; um- 

 bellae radiis paucis, 2 cm. longis; bracteis 4, usque ad 1 3 clm. 

 longis, cum foliis consimilibus; spicis 10 18 mm. in diam., ovoideis, 

 usque ad 24-stachyis, densis, bruneis aut sanguineo-tinctis; spiculis 

 usque ad 1 cm. longis 2 3 mm. latis, 5 8-nucigeris vix carinatis, 

 ovatis obtusis, nervo medio viridi brevissime excurrente, per totam fere 

 latituclinem conspicue 17 21-striatis; nuce cum x / 2 parte glumae aequi- 

 longa, obovoidea, acutius trigona; stylo quam nux multo breviore, ra- 

 mis 3 longis multum exsertis. 



Gyperus brunneus Sivartz Fl. Incl. Occicl. I (1797) p. 116 partim; 

 Kunth Enum. II p. 104; Sagra Fl. Cub. XI p. 287; Oriseb. Kar. 

 p. 119, Flor. p. 565 partim ct Pl. Cub. p. 237; Sauv. Cub. n. 2584 

 p. 172. 



Cypcrus rubicunclus Vahl Fnum. II (1806) p. 308; non Kunth. 



Cyperus Ottonis Boeck.! in Linnaea XXXVI (1869 70) p. 350 

 partim; Duss Flor. p. 539. 



Cyperus discolor Boeck.I Cyp. Xovae. Hcft 1 (1888) p. 7. 



Cypcrus Krucjii Boeck.f Cyp. Xovae. Heft 1 (1888) p. 8. 



Cyperus cjlaucus Boeck.f ms. pro magna parte. 



Cypcrus Sloane Jamaica I p. 116 t. 74 figg. 2, 3. 



Hab. in Cuba: Rugel n. 899, Sagra n. 10, C. Wright n. 3361; 

 Jamaica: Purdie, Swartz, W. Wright; Cayman: Fawcett; Portorico: 

 Porster, Sintenis n.842, 842 b , 1308 b , 3302 b , 3419, 5694, 6690, hb. Vahl; 

 St. Thomas: Eggers n. 534; Guadeloupe: Bertero, Duchassaing n. 13; 

 Martinique: Dussn.695, 709, 765; St. Vincent: Anderson; Barba- 

 dos: Anderson. 



Distrib. in FJorida, America centrali, Fernando Noronha. 



61. Mariscus purpurasccns C. B. Clarke, glaber, rhizomate brevi, 

 obliquo; culmis 4 8 dm. longis; foliis usque ad 1 metr. longis, 1 cm. 

 latis; umbella 15 cm. in diam., locupleti, composita ac saepius decom- 

 posita, spicis numerosis densa; bracteis usque ad 6 clm. longis, cum 

 foliis consimilibus; spicis 7 30-stachyis, laxiusculis; spiculis lineari- 

 lanceolatis, 10 12 mm. longis, iy 2 mm. latis, 10 12-nucigeris, rubro- 

 bruneis; glumis nucigeris navicularibus, proventu laxiuscule imbricatis, 

 ovatis, obtusis, subunicoloribus; nuce cum J / 2 parte glumae fere aequi- 

 longa, obovoidea, trigona, cinereo-brunea; stylo cum nuce aequilongo, 

 ramis 3 linearibus perlongis. 



Cyperus purpurascens Vahl Fnum. II (1806) p. 359; Kunth 

 Enum. II p. 92; Boeck.f in Linnaea XXXVI (186970) p. 348. 



4* 



