kd 
Monographia Juncacearum. 303 
Juncus 
(in formà rarà dubià angustifolià unitubulosa, perfecte septata?). Inflores- 
centia composita vel decomposita, anthelata vel conglobata; capitula plura, 
pluri- usque multiflora, fusca sive castanea. Flores 3,5 usque 4,5 mm longa. 
Tepala plerumque aequilonga, externa lanceolata, interna oblonga, obtusius- 
cula, late membranaceo-marginata. Stamina 6; antherae longae, filamentis 
multo longiores. Stilus et stigmata longa. Fructus trigono-ovatus, longius 
breviusve rostratus, superne castaneus vel fere ater. 
Litt. S. Warson, Botany of California, 1880, II, p. 209. Fr. BucukNav, 
Krit. Verzeichnis aller Juncaceen, 1880, p. 86. 
Descr. Perennis, laxe caespitosus. Radices capillares vel filiformes, diam. 
usque 4 mm, pallidae, fibrosae. Rhizoma elongatum, stoloniforme, diam. usque 4 mm, 
plerumque horizontale, in arenä mobili interdum perpendiculare. Caules erecti, usque 
inflorescentiam 20 usque 60 cm alti, etiam superne foliati, compressi, usque ancipites, 
laeves, diam. 1,5 usque 3, raro 4 mm, medullä continuá parenchymatosá repleti, serius 
cavi. Folia basilaria infima cataphyllina, interdum fuscescentia, usque 5 cm longa, 
sequentia (2 vel 3) et caulina (plerumque 2) frondosa, supremum caulem saepe sub- 
aequans; vagina longa, superne laxiuscula, dorso acuta, basi late, superne anguste mar- 
ginata; auriculae plerumque desunt, rarius minimae adsunt; lamina compressa, pluri- 
tubulosa, septis incompletis externe vix manifestis intercepta, superne sensim angustata, 
apice subulata. Inflorescentia erecta, composita vel decomposita, umbelloides, 
anthelata vel conglobata, ramis nunc erectis, evolutis, nunc abbreviatis; capitula plura 
(in var, paniculato usque 40), hemisphaerica, diam. 8 usque 10 mm (in var. o plus 
minus conglobata), pluri- usque multi- (8- usque 25-) flora, fusca sive castanea. Bractea 
infima frondescens, inflorescentiá plerumque brevior, ceterae hypsophyllinae, ferru- 
gineae; bracteae florum lanceolatae, longe acuminatae, hypsophyllinae, ferrugineae vel 
fuscae, flore breviores, Flores 3,5 usque 4,5 mm longi, plus minus pedunculati, fusci 
vel interdum fusco-atri, raro pallidiores. Tepala glumacea, aequilonga (vel interna 
paullo breviora, raro sublongiora), externa lanceolata, acuta sive acutata, interna oblonga, 
late membranaceo- marginata, obtusiuscula, mucronata, sed ob margines involutos haud 
'aro acuta. Stamina 6, tepalis paullo usque 1/3 breviora; filamenta trigono-linearia, 
albida; antherae lineares, magnae, flavae, filamentis multo longiores. Pistillum longe 
exsertum ; ovarium trigono-ovatum, sensim in stilum cylindricum subaequalem attenua- 
tum; stigmata longissima erecta. Fructus trigono-ovatus, longius breviusve rostratus, 
perigonium plus minus superans, unilocularis, nitidus, interdum lucidus, superne casta- 
neus vel fusco-ater, basi pallidius. Semina 0,5 usque 0,6 mm longa, obovata vel sphae- 
rico-obovata, obtusa, vel obtusissima, apiculata, ferruginea, arcte rectangulariter reticu- 
lata, areis laevibus. 
Var. J, phaeocephalus var. o glomeratus Exaxra., l.c. Caules 20 usque 
40 em longi. Capitula in glomerulos 4 vel 2 (raro 3) conglobata. 
J. phaeocephalus var. D panniculatus ExaxLw., l. c. Caules 30 usque 
60 em longi. Inflorescentia anthelata, ramis erectis, evolutis ; capitula discreta. 
Distr. geogr. In Dünenthälern und auf kiesigen Plätzen in Californien 
und wahrscheinlich bis Oregon. 
Collect. Var. glomeratus. EnseLmann hb. norm., 96 (l). KerLocc et 
Harrorn, Cal., 1054 (1). M. E. Jones, Calif., 2387 (?, v. infra). 
Var. panniculatus.  ENGELMANN, hb. norm., 97 (!). BorawDprm, Cal. 
Survey, 6036 (1). Puanisu, Calif., 849 (!). Jones, Calif., 2343 (!). 
Nota. J. phaeocephalus wurde zuerst von TuappaEus HAENKE im Jahre 4794 bei 
