128 



Fr. Buchcnau. — Juncaccae. 



A. 



Fig. 68. June. curvatusBuchen&n. 

 A Planta florens. B Kamus in- 

 florescentia«. C Flos terminalis 

 post anthesin. D Tepala duo cum 

 staminibus. E Fructus immatu- 

 rns. .FDiagrammafloris. Semen 

 fere maturum. — PI. a J.Matsu- 

 mura leeta. — Origin. 



rhizomate elongato; bracteae duae infimae frondosae; fructus 

 fere sphaericus. 



Gebirge von Siebenbürgen. — Potius forma anomala 

 quam varietas. 



Nota. Plantas raras in cataphyllo supremo laminam gerentes 

 E. Meyer, 1. c. (1 822) nomine J. filiformis L. var. foliatus E. Mey. 

 salutat. 



Nota. /. filiformis L. var. iubtilis Gelakovsky in Sitzungs- 

 ber. Böhm. Ges. Wiss. 1885, p. 5 et 4 890, p. 434 — v. sub /. effuso. 



Nota. Quid J. trichodes Steudel, Syn. pl. glum. II. (1855) 

 306 — pl. Petrop., leg. Sanson? 



J. balticus X filiformis. 



30. J. curvatus Buchenau n. sp. — Dense caespitosus; 

 rhizoma horizontale, internodiis brevissimis. Caules gracillimi, 

 50 usque 90 cm alti, subeompressi, in statu sicco leviter 

 striati; cataphylla fusca, opaca. Inflorescentia supra medium 

 caulem inserta, simplex, raro subcomposita, 3- usque 5- (ple- 

 rumque 4-)flora; flores infimi peduneulati, sequentes fere 

 sessiles; peduneuli ante anthesin plerumque graciliter curvati, 

 usque 18 mm longi; bractea infima 20 usque 4 cm longa, 

 seeunda filiformis, ca. 1 cm longa; plerumque graciliter cur- 

 vata. Flores 3 usque 5 mm longi; tepala anguste lanceolata, 

 in alabastris valde inaequalia: externa conspicue longiora, ob 

 margines involutos fere subulata, plerumque graciliter ineur- 

 vata, interna lineari-oblonga, obtusiuscula, serius paullo bre- 

 viora; stamina 6, tepalis internis dimidio breviora; antherae 

 oblongae, filamentis dimidio breviores; stilus brevis. Fructus 

 tepala interna fere aequans, nitidus, stramineus; semina 0,6 

 usque 0,7 mm longa, obovata, vel oblique-obovata, longi tu dina- 

 liter reticulata, ferruginea. 



Japan: Djoosankai, Yezo (Matsumura), Iwakiyama, Nipon 

 (Hb. Univ. Tokio), Ose, Prov. Iwasira, Nipon (Matsumura); 

 Nikko (Saida). 



31. J. braehyspathus Maxim, in Mem. Ac. Petersb. IX. 

 (1859) 293. — J. filiformis L. braehyspathus Regel in Mem. 

 Ac. Petersb. IV. (1861) 157; Buchenau, Krit. Verzeichn. aller 

 . . . Juncac. (1880) 65 et Monogr. Juncac. (1890) 225; Sum- 

 mier in N. Giorn. bot. ital. XXV. (1893) 100 t. 2. — Rhi- 

 zoma horizontale, internodiis brevissimis. Gaules graciles, saepe 

 curvati, distinete sulcati, 10 usque 25 cm alti, diam. 0,4 us- 

 que 0,75 mm. Cataphylla fusco-straminea, supremum laminam 

 gracilem, inflorescentia breviorem gerens. Inflorescentia parva, 

 simplex, 1- usque 3-flora; flos terminalis sessilis, laterales 

 peduneulati (peduneuli usque 25 mm longi); bractea infima 

 brevis, 3 "usque 5 (raro 10) cm longa (ergo »inflorescentia 

 supra medium caulem« inserta). Flores 4,5 mm longi; tepala 

 lanceolata viridiuscula vel dorso rubescentia, externa longe acu- 

 minata, interna breviora, acuta; stamina 6, tepalis internis ca. 

 dimidio breviora; antherae lineares filamentis breviores; stilus 

 brevis. Fructus tepala externa aequans, ovatus, breviter mucro- 

 natus, ruscus; semina ut in /. filiformi. 



Auf Torfmooren in Gebirgen und Tundren, Ostsibirien: im 

 Gebiete des unteren Amur und Ussuri (Maximowicz etMaack); 

 im Gebiete des Ob in der Nähe des Polarkreises (Sommier). 



