470 Geoi^ Kükenthal. — Cyperaceae-Scippoideae-Cypereae. 



8 — 14-florae. Rhachilla rigidula late alata. Squamae remotiusculae subpatulae rigidulae 

 ovatae obtusae marginibus involventes carina virides lateribus cinereo-rufae nitidulae 

 multinervosae. Stamina 3, antherae lineares, connectivum breviter productum. Stylus 

 brevis profunde trifidus. Nux % squamae aequans oblonga vel subobovato-oblonga tri- 

 gona apiculata atro-castanea dense punctulata. — Fig. 51 jP — 0, pag. 460. 



Atlantisches Nordamerika: Unfruchtbare, sandige Stellen und Pinebarrens 

 nahe der Meeresküste von New Hampshire, Massachusetts (E. Brainerd!, Blake 

 n. 10980!, A. Rehder !), Connecticut (Allen !), New York (A. Gray n. 74!), New Jersey 

 (A. Gray n. 75!, Canby !) und Pennsylvanien bis Georgia (Harper n. 31!) und Florida. 



450. C. fuligineus Chapman, Fl. South. Unit. St. (1872) 511, ed. 3. (1897) 538; 

 Britton in Bull. Torr. Bot. Club XIII. (1886) 216; Small, I.e. 173; Kükenth. in Fedde, 

 Repert. XXIII. (1926) 189. — Perennis. Culmi plures dense caespitosi 15 — 30 cm alti 

 graciles stricti obtusanguli laeves basi subtuberascente vaginis aphyllis purpureis obsiti. 

 Folia culmo breviora remota angusta canaliculata rigidula apice pungentia, vaginae pur- 

 pureae. Bracteae 2 — 3 divergentes anthelam longe superantes. Anthela ad spicam unicam 

 globosam vel hemisphaericam 1 cm diam. perdensam reducta. Spiculae confluentes vix 

 discretae radiantes lineari-oblongae vel lanceolatae acutae 4 — 6 mm longae 2 mm latae 

 subcompressae 6 — 12-florae. Rhachilla anguste alata. Squamae laxe imbricatae demum 

 apice patulae ovatae obtusae sub apice brevissime mucronatae sanguineae 9 — 11-costatae 

 apicem versus marginibus saepe anguste albo-hyalinae. Stamina 3, antherae lineares. 

 Stylus mediocris profunde trifidus. Nux Vs squamae aequans oblongo-elliptica vel sub- 

 obovato-oblonga trigona nigricans breviter apiculata. 



Gebiet des tropischen Amerikas: Nasse Wiesen. — Westindische 

 Provinz: Süd-Florida: Key-West (Chapman!, Blodgett!). Upper Mata- 

 cumbe Key, Monroe Co. (Small und Britton n. 9332!). Big Pine Key (J. K. Small, 

 G. K. Small und Matthews n. 10147!). Bahamas: Insel Eleuthera, Rocksund 

 (in Herb. mus. Stockholm!). Cuba: Prov. Camagüey, Ins. Cayo Sabinal, auf feuchten 

 Wiesen (Ekman n. 15 538!); Prov. Santa Clara, Caibarien, Cayo Frances, an Strand- 

 felsen (Ekman n. 18 565!). Hispaniola: Haiti, Ile la Tortue, an der Küste (Ekman 

 n. H. 4081!); nordwestl. Halbinsel, Jean Rabel (Ekman n. H. 4005!). 



var. ß. caicicola (Britton) Kükenth. comb. nova. — C. calcicola Britton in Bull. 

 Torr. Bot. Club XLII. (1915) 387. — Spica brevior 5 — 7 mm diam. Squamae acutae 

 tenuiter striatae. 



Porto Rico: Kalkfelsen bei Cayo Muertos (Britton, Cowell und Brown 

 n. 4976). 



451. C. filiculmis Vahl, Enum. pl. II. (1806) 328; Chapm. Fl. South. Unit. St. ed. 3. 

 (1897) 538 p.p.; Fernald in Rhodora VIII. (1906) 128 et XXXVII. (1935) 153 p.p. 

 (excl. syn. C. Bushii Britton), t. 343, fig. 2; non aliorum. — C. Martindalei Britton in 

 Bull. Torr. Bot. Club XV. (1888) 98 et in Man. Southeast. Fl. (1933) 150; Chapm. 1. c. 

 538; Mohr, PI. Life Alab. (1901) 395; Small, 1. c. 171. — ? C. multiflorus Small, Man. 

 Southeast. Fl. (1933) 153. — Rhizoma breve horizontale moniliformiter tuberosum. Culmi 

 plures approximati graciles stricti 10 — 60 cm alti trianguläres laeves basi tuberosi. Folia 

 conferta culmo breviora 1 — 2 mm lata complicato-plana, vaginae brunneo-rufae demum 

 marcidae. Bracteae 3 — 5 divergentes demum reflexae anthelam longe superantes. An- 

 thela Simplex plerumque ad spicam unicam globosam vel hemisphaericam 12 — 14 mm 

 diam. densam reducta, rarius 2 — 5-radiata, radii ad 4 cm longi graciles patentes apice 

 spica singula terminati. Spiculae numerosae dense congestae confluentes lineari-lanceo- 

 latae acutae 10 — 16 mm longae 2 — 2% mm latae parum compressae 8 — 12-florae. Rha- 

 chilla rigidula vix marginata. Squamae sublaxe dispositae demum patulae satis tenues 

 ovato-ellipticae obtusae sub apice saepe breviter mucronatae marginibus involventes 

 carina virides lateribus sordide fulvae vel brunneae 9 — 11-nervosae. Stamina 3, antherae 

 lineares. Stylus mediocris profunde trifidus. Nux % squamae aequans oblongo-elliptica 

 vel subobovata trigona apiculata. 



