Juncus. 241 



(in speciminibus abnormibus usque 80) cm alti, teretes, indistincte costati. Folia basilaria 

 2 et caulina (l usque 4) frondosa, longe vaginantia, caule breviora; auriculae breves, 

 obtusae. Inflorescentia composita usque supradecomposita ; bracteae infimae frondes- 

 centes, inflorescentia breviores; bracteae florum lineari-lanceolatae, acutae, floribus sub- 

 breviores. Flores ca. 4 mm longi, viridi-ochracei, saepissime in turiones numerosos 

 plumosos transmutati; tepala acuta, externa lineari-lanceolata, interna paullo longiora 

 oblonga; stamina tepala fere aequantia; antherae lineares, filamenta aequantes; stilus 

 longus, exsertus; stigmata longa. Fructus et semina desiderantur. 



An nassen Stellen im Sikkim-Himalaya von 1500 bis fast 4000 m häufig- 

 Bhootan, Assam. 



Nota 1. Hook. f. 1. c. hanc speciem in grege poiophyllorum enumerat et addit: >A re- 

 markable plant quite unlike any other, doubtfully referred to this section by Buchenau ; perhaps 

 better placed with J. föliformis*. Sed paullulo cum poiophyllis neque ullo modo cum J. fUi- 

 formi congruit. 



Nota 2. De structura turionum sterilium v. Buchenau 1. c. (1872) 293 et I. c. (1885) 

 207, t. 2. 



§ 59; v. p. 239. 



172. J. repens Michx. Fl. bor. amer. I. (1803) 191. — Cephaloxys fldbellata 

 Desv. in Journ. de Botan. I. (1808) 321 t. 1 1 ; Laharpe, Monogr. Joncees (1827) 145; 

 Eunth, Enum. pl. III. (1841) 346. — /. subincurvus Steud. Syn. plant, glum. II. (1855) 

 303. Ghapm. Fl. south. Un. St. (1865) 495; Engelm. in Trans. St. Louis Acad. II. 

 (1866) 452, (1868) 495; As. Gray, Man. of Bot. 5. ed. (1868) 539; Buchenau, Mo- 

 nogr. Juncac. (1890) 416; Goville in Contr. Un. St. Nat. Herb. II. (1894) 450; Holm 

 in Bull. Torr. Bot. Club XXVI. (1899) 359 t. 363; Buchenau in Urban, Symbolae an- 

 tillanae I. (1900) 496; Britt. et Brown, 111. Fl. North. Un. States I. (1896) 388, 

 f. 937, icon mala; Chapman, Fl. south. Un. St., 3. ed. (1897) 523; Small, Fl. south- 

 east. Un. St. (1903) 258. — Valde variabilis (formae terrestres saepe florentes et 

 submersae raro florentes). Caespitosus. Caules saepe prostrati et e nodis radicantes, 

 denique erecti, compressi, valde brachiati (turiones steriles numerosi foliati). Folia di- 

 sticha, plana, graminea (propter torsionem aversa), flaccida, 3 usque 1 cm longa, 0,5 

 usque 2 (raro 3) mm lata, apice subulata; auriculae minimae in foliis inferioribus ad- 

 sunt. Gapitula 1 usque 6, plerumque 6- usque 12-flora; bractea infima frondosa, 

 capitulum superans; bracteae florum parvae, hypsophyllinae. Flores stramineo-virides, 

 angusti, saepe curvati, 4 vel 5 (raro usque 1 !) mm longi ; tepala anguste linearia, ex- 

 terna inter se inaequalia, interna multo (usque duplo) longiora, saepe etiam inaequalia; 

 stamina 3, tepalis externis breviora; antherae anguste ovatae, filamentis filiformibus 

 pluries breviores; stilus brevis. Fructus angustus, trigono-prismaticus , obtusatus, 3 

 usque fere 6 mm longus; semina ovalia vel obovata, apiculata, ca. 0,4 mm longa, pal- 

 lide ferruginea, regulariter reticulata, (costae 2 5 usque 40). 



In flachen Sümpfen und auf feuchtem Schlamme ; südöstliche Vereinigte Staaten 

 von Delaware bis Texas; Guba. 



Nota. Species structura fructus et modo propagationis valde peculiaris. 



§ 60; v. p. 239. 



173. J. cyperoides Laharpe, Monogr. Jone. (1827) 145. — /. graminifolius 

 E. Mey. in Presl, Reliq. Haenkeanae I. (1827) 144; Kunth, Enum. pl. III. (1841) 343, 

 3 46. — Cephaloxys graminifolia Nees et Meyen in Acta Acad. C. Leop. Gar. XIX., 

 Suppl. I., 128. — /. rivularis Poepp. in sched. pl. chil. a. 1827 — 29 lect. Cl. Gay, 

 Historia fisica y polit. de Chile, Bot. VI. (1853) 143; Buchenau in Abh. Nat. Ver. 

 Brem. VI. (1879) 410 t. 3; Buchenau, Monogr. Juncac. (1890) 4 18. — Rhizoma 

 plurieeps, turiones tenues (diam. ca. 1 mm) stoloniformes, mox adscendentes et frondi- 

 geros emittens. • Gaules erecti vel adscendentes, laxi, saepe curvati, 6 usque 30, raro 

 40 cm alti, teretes vel subcompressi, basi cataphylla, supra folia frondosa 2 usque 12 



A. Engler, Das Pflanzenreich. IV. 36. \§ 



