100 C. B. Claeke: 



Rhynchospora leucocephala Boeckf in Kjob. Vidensh. Meddel. 

 (186970) p. 144, et in Linnaea XXXVII (1873) p. 532. 



Sloane Jamaica I p. 119 t. 78 fig. 1. 



Hab. in Bermuda: Moseley; Bahama: Brace rt. 212, Eggers 

 n. 3833 (Fortune Island), 4129 (Hog Island), Northrop n. 100; Cuba: 

 Sagra n. 511, C. Wright n. 716, 718, 1530; Jamaica: Aublet n. 41 , 66; 

 Hispaniola: Favrat n. 53, Jacquemont, Picarda n. 1104, Prenleloup 

 n. 632 partim; Portorico prope Yabucoa: Eggers n.483, 590; Guade- 

 loupe inter Pointe a Pitre et Gozier: Duss n. 3131, l'Herminier n. 26, 

 27; Martinique: Husnot n. 30. 



Distrib. a Carolina usque ad Texas, Mexico, Yucatan, frequens. 



132. Dicliromena seslerioides C. B. Clarke, fere glabra, rhizo- 

 mate repente; culmis 2 4 dm. longis, tenuibus, rigidiusculis; foliis 

 10 15 cm. longis, 1 2 mm. latis, marginibus involutis, minute pube- 

 rulis; bracteis 2, usque ad 12 mm. longis, caput superantibus, rigidis, 

 basi paullo dilatatis, albicantibus; spiculis 5 8, usque ad 5 mm. longis, 

 albide stramineis, 3 1-nucigeris; glumis muticis; stylo lineari, ramis 

 2 linearibus longis; nuce parva, obovoidea, castanea (fide Grisebachii 

 transversim undulato-lineata); rostro pyramidali, compresso, magno. 



Dichromcna seslerioides Bcnth.f rns. 



Rhynchospora seslerioides Griseb.J Pl.Cub. (1866) p. 247; Sauv.J 

 Oub. n. 2697 p. 185. 



Hab. in Cuba: C. Wright n. 3415. 



133. Bichromciia pubera Vahl, radice tibrosa; culmis 1 3 dm. 

 longis, gracilibus; foliis 10 15 cm. longis, usque ad 3 4 mm. latis, 

 planis, obtusiusculis, pilosulis aut glabratis; bractcis c. 4, usquc ad 

 2 5 cm. longis, cum foliis consimilibus, basi paullo ciliato-pilosis 

 parum albicantibus; spiculis 8 1, usque ad 6 8 mm. longis, 8 15- 

 glumis, c. 3-nucigeris, stramineis apice fusce cinnamomeis; glumisovato- 

 oblongis, obtusis; stylo tcnui, ramis 2 longis, linearibus; nuce 1 mm. 

 longa, orbiculari, compressa, brunea nigrescente, a paucis lineis hori- 

 zontalibus insignitcr undulato-zonata; rostro cum nucc aequilato, in 

 nuce depresso. 



Dichromena pubera Vahl! Enum. II (1806) p. 211 pro majorc 

 parte; Kunth Enum. II \>. 275. 



Schocnus pubescens II. B. K. Nov. Oen. et Sp. I (1815) p. 228. 



Rhynchospora pubera Bocck.f in hinnaea XXXVII (1S7.">) 

 v . 528. 



Hab. in Hispaniola (an re vera ex hac insula, annc c Guiana?): 

 Mayerhoff n. 847; Trinidad: Aublct n. 84. 



Distrib. in America australi tropica. 



