366 Fr. Buchenau. 
Juncus 
§ 43. 
(v. p. 264.) 
Perennis. Rhizoma brevissimum (vel in muscetis elongatum ?). Caules 
erecti. Lamina unitubulosa, perfecte septata. Inflorescentia umbelloides 
vel subanthelata; rami elongati, erecti. Capitula pauci- (2- usque 4- flora. 
Tepala castanea (vel medio dorsi viridiuscula), lineari-lanceolata, vel lanceo- 
lata, interna longiora. Stamina 6. Fructus mucronatus, perigonium superans, 
unilocularis. Semina ecaudata. 
1. Planta parva, plerumque 10 usque 14 cm alta. Antherae filamentis 
paullo longiores. Fructus trigonus, ovato-prismaticus. Oregon, 
Caseade-Mountains . . 2 . . . . . . . 109. J. oreganus Watson. 
2. Planta major, 10 usque 25 em alta. Antherae filamentis paullo 
breviores. Fructus triqueter, ovatus, mucronatus. Sitcha. 
110. J. paucicapitatus Fr. B. 
109. J. oreganus S. Warsow, Some new spec. of plants of the United 
States, in: Proc. Amer. Acad., 4888, XXIII, p. 267. Caules erecti, 40 usque 
12, raro 14 em alti, laeves. Lamina filiformis, perfecte et manifeste septata. 
Inflorescentia e capitulis ? usque 3 distantibus composita, interdum sim- 
plex. Flores 4, cum fruetu maturo usque 5,5 mm longa. Tepala lanceolata, 
interna distinete longiora. Stamina tepalis internis ca. 2/; breviora. Fruc- 
tus trigonus, ovato-prismatieus, breviter mucronatus, perigonium usque 
duplo superans. 
Descr. Perennis, laxe caespitosus. Radices filiformes, diam. 0,2 usque 
0,25 mm, subfibrosae, pallidae, Rhizoma indistinctum; caules plures, dense approxi- 
mati ut saepe in Junco supino (»stems numerous from very slender matted rootstocks«, 
Warson). Caules erecti vel curvati, 40 usque 42, rarius 44 cm alti, etiam superne 
foliati, cylindrico-filiformes vel subcompressi, laeves, diam. 0,5 usque 0,8 mm, medullä 
continuä parenchymatosä repleti, serius cavi. Folia basilaria infima cataphyllina, se- 
quentia 4 vel 2 et caulina (4, rarius 2) frondosa, caule breviora; vagina longa, laxiuscula, 
superne in auriculas duas membranaceas obtusiusculas. producta; lamina filiformis, 
cylindrica vel a latere compressa et curvata, unitubulosa et distincte septata, apice bre- 
viter subulata. Inflorescentia e capitulis 2—3 composita (in caulibus minoribus 
simplex); capitula lateralia longe stipitata. Bractea infima frondescens, sed plerumque 
inflorescentiä brevior, ceterae hypsophyllinae; bracteae florum ovato-lanceolatae, aris- 
tato-mucronatae, floribus breviores. Capitula pauci-(2- vel 3-, raro 4-)flora, inter- 
dum vivipara. Flores 4, cum fructu maturo 5,5 mm longi, brevissime pedunculati, 
variegati. Tepala glumacea, lanceolata, acuta, externa distincte breviora, castanea 
vel medio dorsi viridiuscula, lateribus castaneis, marginibus membranaceis, Stamina 6, 
tepalis internis ca. 2/5; breviora; filamenta linearia, alba; antherae lineares, flavidae, 
filamentis paullo longiores. Pistillum.... Fructus perigonium longe (teste autoris 
usque duplo) superans, trigonus, ovato-prismaticus (acutus vel obtusus), breviter mucro- 
natus, nitidus, castaneus, unilocularis. Semina ca. 0,6 mm longa, obovata, obtusa, 
mucronata, rectangulariter reticulata et transversim lineolata, pallide ferruginea. 
Distr. geogr. Hwasco, S. Oregon; leg. L. E. Henperson, 1886. 
Cascaden-Gebirge, Dr. Let. 1859. 
Nota 4. Warsox vergleicht diese Art mit dem californischen J. supiniformis, mit 
welchem sie in der That den niedrigen Wuchs und die großen Früchte gemein hat; 
