Monographia Juncacearum. 375 
Juncus 
114. J. anceps J. pe Lanarre, Monographie, 1825, p. 126. Rhizoma 
longum, perdurans, diam. usque 4,5 mm. Caulis et folia teretia vel saepius 
valde (interdum ancipite!) compressa, vagina compressa, interdum dorso 
carinata. Inflorescentia decomposita vel supradecomposita, saepe contracta. 
Flores angusti. Tepala aequilonga, externa plerumque indistincte mucro- 
nata. Fructus trigono-ellipticus, breviter aeuminatus, perigonium paullo 
superans. Caetera ut in J. alpino Vit. 
Litt. C.S. Kuxtu, Enum. plant., 1844, Ill, p.327. J. sylvaticus Reich. 
var. ß anceps E. Cosson et J. Duru, Explor. scientif. de l'Algérie, 1854— 
1867, p. 266. Grexier et Gopnox, Flore de France, 1855—1856, III, p. 347. 
J. Duvar-Jovve, de quelques Juncus à feuilles cloisonnées, in: Rev. des sc. 
nat., 1872, p. 447—150 (v. etiam Bull. Soc. bot. France, 1872, p. 169). 
J. littoralis Salzm. in sched. herb. sui, teste J. Drevar-Jovve, l. c. p. 126, 
adnot. Fn. Bucuexav, eine verkannte deutsche Phanerogame, in: Ber. deutsch. 
bot. Gesellsch., 1883, I, p. 487—493. 
Descr. Perennis, laxe caespitosus, intense viridis. Radices capillares et fili- 
formes, diam. usque 1 mm, pallide fuscae, subfibrosae. Rhizoma horizontale, longum, 
perdurans, diam. usque 4,5 mm. Caules plus minus distantes, erecti, stricti, 20 usque 
50 cm alti (rarius ultra), compressi vel teretes, laeves, diam. 1 usque 2,5 mm, medullä 
parenchymatosä continuá repleti, serius cavi. Folia basilaria cataphyllina, vaginiformia, 
saepe rubescentia sive fusca, usque ca. 4 cm longa, pro parte aristato-mucronata, su- 
premum eorum saepe laminigerum, caulina 2—3 frondosa, caule breviora; vagina angusta 
plus minus compressa, interdum dorso carinata, superne in auriculas duas obtusas 
producta ; lamina teres vel compressa, laevis, diam. 4 usque 2 mm, unitubulosa, septis 
completis conspicuis intercepta, apice obtusiuscula. Inflorescentia erecta, decom- 
posita vel ultradecomposita, anthelata, plerumque contracta, ramis erectis; capitula 
plerumque numerosa, parva, diam. vix 3 mm, rarius ultra, 3- usque 6- (rarius 8-) flora, 
castanea vel fusca. Bractea infima frondescens, erecta, inflorescentiá brevior, ceterae 
hypsophyllinae, angustae, ferrugineae; bracteae florum hypsophyllinae, lanceolatae, 
aristato-mucronatae, pallide fuscae, floribus breviores. Flores parvi, 2 usque 2,5, cum 
fructu maturo 2,5 usque 3 mm longi, intense colorati. Tepala glumacea, aequilonga, 
oblongo-ovata, externa obtusiuscula et indistincte mucronata vel acutiuscula, interna 
obtusa, omnia castanea vel fusca (rarius medio dorsi viridiuscula), interna distincte 
membranaceo-marginata. Stamina 6, tepalis plus minus breviora; filamenta linearia 
albida; antherae lineares, flavae, filamentis longiores, seu ea aequantes. Pistillum 
longe exsertum ; ovarium trigonum, ovato-pyramidatum; stilus cylindricus, ovario paullo 
brevior; stigmata longa, erecta, albo-viridia, Fructus trigono-ellipticus, breviter 
acuminatus, perigonium paullo superans, unilocularis, nitidus, castaneus. Semina 
ca. 0,5 mm longa, anguste obovata vel pyriformia, obtusa, apiculata, vitellina vel vitellino- 
ferruginea, rectangulariter reticulata, areis transversim lineolatis. 
Var. J. anceps Lan. var. genuinus Fm. B., l. c., p. 493. Caulis basi 
anceps, apice teres. Vagina folii compressa, dorso carinata, lamina a latere 
ancipiti- compressa. Inflorescentia decomposita, ramulis capitula pluries 
superantibus. 
J. anceps Lan. var. atricapillus Fn. B., l. c. p. 493. Caulis basi teres 
velcompressus. Vagina folii subeompressa, dorso rotundata vel subcarinata, 
lamina teres vel a latere compressa. Inflorescentia supradecomposita, 
