11-1900 



Cyperaceae. 99 



saepe albae aut cinnaraomeae. Bracteae capiit superantes, aiigustae, 

 basi dilatatae saepe plus minus albicantes. 



Species 13, in America calidiore sparsae. 



Obs. Genus a Byndiospora Sect. Psocarya non nisi cliffert spiculis 

 capitatis, saepe stramineis vel cinnamomeis, nuces pancas (1 3) niatui-an- 

 tibus; forsan cum cl. Boeckeleb in Rynchosjwra potius mergendum. 



Clavis specierum antillanarum. 



* Bracteae liasi glabrae. 



Bracteae 3 5 basi albescentes, patulo - deflexae 



131. D. leueocephala Micb. 

 Bracteae 2, oblique erectae . . 132. D. seslerioides C. B. Clarke. 

 ** Bracteae basi (saepe niinute) ciliato-pilosae. 



j Nux transversim conspicue undulato-lineata 

 Nucis lincae transversales paucae 



133. D. puber a Yalil. 

 Nucis lineae transversales numerosae tenues 



Spiculae albae subspicatim capitatae 



134. D. ciliata Vahl. 

 Spiculae 1 5 ,. sessiles 



Culmi filiformes; spiculae albae 



135. D. iformis C. B. Clarke. 

 Culmi graciles; spiculae cinnamomeao 



136. D. radicans Schlecht, et Cham. 

 ff Nux levis, vix obscure transversim lineata 



137. D. Grisebachn C. B. Clarke. 



131. Dicliromeiia lcucocei)hala Mich, glabra, stolonibus tenui- 

 bus, elongatis, a squamis striatis fusce straiuineis intectis; culmis 3 5 dm. 

 longis; foliis cum -/^ parte culmi aequilongis, angustis; bracteis 3 5, 

 usque ad 8 cm. longis, basi glabris dilatatis quam intus tam extra albes- 

 centibus; spiculis 8 16, dense capitatis, 6 8 mm. longis, 8 15- 

 glumis, 3 1-nucigeris; glumis 5 mm. longis, ovato-triangiaribus, ob- 

 tusis, albis; stylo longo, ramis 2 longis; nuce cum Y^ parte glumae 

 aequilonga, late obovoidea, compressa, a lineis crebris horizontalibus 

 iindulata; rostro cum Y2 p^^e nucis aequilongo. 



Dichromena leueocephala Mich. Fl. Bor. Amer. I (1803) p. 37; 

 Kunth Enum. II p)- 275. 



Dichromena colorata Hitchc. PL Bahamas (1893) p. 141 qiioad 

 iah. Sloanei 78 fig. 1. 



Schoenus steUatus Lam. Encyc. I (1784) p. 741; Sivartx, Prodr. 

 p. 19 et Fl. Ind. Occid. I p. 102. 



Schoenus coloratus Linn. Sp. PL ed. II p. 64 partim; cf. Boeck. 

 in Linnaea XXXV (186768) p. 428 in nota. 



Rhynchospora steUata Griseb.! Kar. (1857) p. 123 et Flor. p. 576 

 et PL Cub. ij. 247; Sauv.! Cub. n. 2696 p. 185. 



