280 CYPERACEAE juss. (Dicliromena.) 



folHs lineari-sotaceis, carinato-canaliculatis, rlgidulis, apice sca- 

 briusculis; fasciculis corymbuliformibus, peduiiculatis, axillari- 

 bus et terminalibus, oligostachyis; spicis ovato-oblongis, acutis, 

 3-4-lloris, straminco-fuscescentibus ; iloribus omnibus fertilibus j 

 achenio subrotundo, turgide lenticulari, basi cuneato-attenuato, 

 apice biauriculato, inter auriculas rotundatas concavas rostrato, 

 transversim undulato-rugoso, sordide fuscesccnte. Schoenus se- 

 taceus Berg. in Act. Helv. 7. 130. /. 9. RoUh. Gram. 62. /.21. 

 /. 2. Swartz. Flor. Ind. occ. 1. 107. Vahl. Enum. 2.219 ei herb. 

 Pursh. Flor. 1. 47. yVilld. herb. n. 111. J^ol. 1. {specimen inter- 

 medium.} Triodon sctaceus Rich. mss. Schoenus Spermodon 

 Schrad. in hcrh. reg Berol. Spcrmodon sctaccus Nees ah Fsenb. 

 in Linnaea 9. 296. Rhynchospora tenerrima Nees ah Esenb. in 

 Sieh. Agrostoth. n. 116. Spreng. Syst. cur. post. 26. Nees ab 

 Esenh. in Linnuea 9. 297. — Guiana, Brasilia, Insulae Cai"i- 

 baeae (Carolina?), Nova Hollandia. 2|i — Setae nuliae. Sta- 

 mina 2. Styhis bifidus. Fructus in planta Novae Hollandiae 

 duplo majores (an patria hujus a Siebero recte notata?). 

 Schocnus setaceus Muehlenb. Gram. 6 est multo alia planta. 

 (Rhynchospora capillacea Torr. Flor. 1. 55.) 



20. D. NARDIFOLIA. Cuhnis caespitosis, setaceis, foliatis, 

 glabris; foliis radicalibus culnio dimidio brevioribus, setaceis, in- 

 tcrne canaliculatis, margine scabris; corymbis in apice cnlmi 

 axiihirihus et terminalibus, siniplicibus; spicis breviter jicdicol- 

 latis, subfasciculato-congestis, lanccolatis, acntatis, fuscesccnti- 

 bus, subquadrifloris ; achcnio subrotundo , turgidc lcnticulari, 

 obsolete transvcrse ruguloso, margaritacco-cinereo, nitido; ros- 

 tro abbreviato-coiiico, fusco, continuo. 



/?) robustior. 

 — Brasilia meridionalis. Sellow lcgit. — Culmi basi foliosi 

 ibiipie extei'ne reliquiis capillaceis rufescentibus vaginarum 

 cincti, 8-10-pollicares. Folia caulina radicalibus similia, sc<l 

 breviora. Squamae circiter 7, undiquc inibricatae, uninerviae, 

 subcariiiato-convexae, mncronato-subai-istatae, fuscescentes, gla- 

 brae; dnae inieriorcs minorcs, vacoae. Sctae calycinac nuUae. 

 Stamina 3. Filamenta porsistentia, longissima, hyalino-fusces- 

 centia. Antherac lineares, obtusae?, flavo-ferrugincae. Stylus 

 clongatus, ferrugineus, apicc bilobus, exsertus. Achenium bre- 

 viter stipitatum. 



21. D. GRACILIS. Cubnis filiformibus, triangularibus, folia- 

 tis; foliis filiformibus, carinato-canalicnlalis, superne scabrius- 

 cnlis 5 corymbis axillaribus ot terminaiiluis, longe pedunculatis, 

 ramosis; sj)icis solitariis, pcdiccUatis, oblongis , acutis, sub4- 

 floris, strainineo-fuscescentibus; aclienio subrotundo-obovato, 

 turgide leiiticulari, transvcrsini undulato-rugoso, fcrrugineo, niti- 

 do ; rosh-o abbrcviato, ad angulos j»aruin decurrcntc. Rhyncho- 

 spora tenuis Willd. herb. n. 1175. /o/. 1. TAnk. Jahrb. 3. 76. 

 Fuircna gracilis Spreng. Nov. Prov. 46. (fornta humilis, s^ncis 



