Juncus. 235 



(1890) 405; Hook. f. Fl. Brit. Ind. VJ. (1892) 398 (ubi laudalur nonien: ,/. sairpoidrs 

 Jacquem. mss.). — Stolonifer. Caules crecti. Folia basilaria cataphyllina , supremum 

 frondescens, caulina 1 usque 3 frondosa; lamina unitubulosa, acutata. Gapitula 1 usque 

 10 (plerumque 2 usque 5), 3- usque 6- (raro 8-) flora; bractea infima frondosa, in- 

 florescentiam plerumque longe superans, ceterae breviores. Flores magni, 7 usque 8, 

 cum fructu maturo usque 10 mm longi, breviter pedunculati; tepala anguste lanceolata, 

 aequilonga vel externa, vel interna sublongiora, fuscescentia, externa saepe sub apice 

 distincte mucronata ; stamina perigonio subaequalia; filamenta linearia, basi fusca, 

 antheris linearibus sesqui-longiora ; stilus ovario brevior; stigmata longa. Fructu s trisep- 

 tatus, nitidus, superne castaneus; semina 3 usque 4 mm longa, scobiformia, alba. 



Var. genuinus Buchenau, 1. c. (i 890) 405. — Caules graciles, 30 usque 45 ein 

 alti. Auriculae obtusae; lamina a basi tenuis, subulata. Tepala interna late marginata. 

 Stigmata longissima. Fructus perigonium longe superans, trigono-ovoideus, sursum sub- 

 conicus, mucronatus. Planta in statu sicco plerumque viridescens. 



Var. Schlagintweitii Buchenau, 1. c. (1890) 406. — J. Schlagintiveitii Buchenau, 

 spec, in Nachr. Ges. Wiss. Göttingen (1869) 255; Buchenau in Engler's Bot. Jahrb. VI. 

 (1885) 2 29. — Gaules firmi, 25 usque 50 cm alti. Auriculae in folio supremo plerumque 

 desunt; lamina inferne cjlindrica, sursum subulata. Tepala interna angustius marginata. 

 Fructus perigonium superans, trigonus, ovato-prismaticus, obtusus, mucronatus. Planta 

 in statu sicco ferrugineo-straminea. 



Himalaya, von Sikkim bis Tibet; die var. Schlagintiveitii besonders im Nord- 

 westen. 



§ 53; v. p. 221. 



Plantae graciles, subcaespitosae. Caules tenues, etiam superne foliati. Folia tenuia, 

 canaliculata vel filiformia. Inflorescentia paucicapitata (in J. nematocaulone simplex) ; 

 capitula 2- usque 5- (raro 7-) flora. Flores albi vel pallide straminei. Stamina ex- 

 serta; stilus brevis vel medioeris. Fructus plus minusve rostrati, uniloculares usque 

 triseptati. Semina caudata usque scobiformia. 



163. J. concinnus Don, Prodr. fl. nepal. (1825) 44; Laharpe, Monogr. Jone. 

 (1827) 138; Don. in Trans. Linn. Soc. XVIII. 3. (1840) 321 (cum syn. J. elegam 

 Royle mss.); Buchenau in Bot. Ztg. XXV. (1867) 146; Buchenau in Nachr. Ges. Wiss. 

 Göttingen (1869) 251; Buchenau, krit. Verzeichnis (1880) 96; Buchenau in Engler's 

 Bot. Jahrb. (1885) 215 t. 2; Buchenau, Monogr. Juncac. (1890) 406; Hook. f. Fl. Brit. 

 Ind. VI. (1892) 399. — Caespitosus; rhizoma erectum, gemmas parvas nigras gerens. 

 Caules erecti, tenues, 10 usque 20 (rarius 30) cm alti, uni- vel bifoliati. Auriculae 

 tenues, truncatae. Capitula 1 usque 4 (raro 7), 6- usque 8- (rarius 1 0-) flora, hemi- 

 sphaerica, stramineo-alba ; bractea infima plerumque hypsophyllina, inflorescentia brevior. 

 Flores 3 usque 4, cum staminibus usque 6 mm longi; tepala externa lanceolata, acuta, 

 interna longiora, oblonga, obtusiuscula; stamina perigonium fere duplo (teste Don 

 interdum usque triplo) superantia; filamenta filiformia alba, ca. 5 mm, antherae ob- 

 longae, flavidae ca. 1 mm longae; stilus cylindricus, sed ovario brevior. Fructus peri- 

 gonium superans, trigono-ovatus, rostratus, stramineus, unilocularis : semina ca. 0,8 mm 

 longa, ovalia, apice et basi breviter albo-caudata. 



Var. turbidus Buchenau in Nachr. Ges. Wiss. Göttingen (1869) 25 2. — Differt a 

 planta typica vaginis rubescentibus, tepalis sordido-lutescentibus. 



In Höhen von 2 — 3 000 m (selten fast 4000 m) des Himalaya von Sikkim bis 

 in den Nordwesten. Khasia -Berge. 



164. J. khasiensis Buchenau, Monogr. Juncac. (1890; 407; Hook. f. Fl. Brit. 

 Ind. VI. (1892) 399. — Caespitosus (an gemmas nigras gerens?). Caules graciles, 10 

 usque 20 cm alti, infra medium unifoliati. Auriculae parva e adsunt. Capitula 1 usque 

 3, plerumque 3- usque 5-flora; bractea infima plerumque frondescens, capitulum 

 superans, ceterae hypsophyllinae. Flores 3,5 usque 4, cum fructu maturo 5 vel 6 mm 



