: Monographia Juncacearum. 123 
Luzula 
ginae basilares purpurascentes, folia erecta; lamina plana (raro involuta), 
apice pungenti-subulata (in var. /atifoliá: obtusa). Inflorescentia composita; 
rami plerumque erecti, strieti, interdum abbreviati. Bracteae et prophylla 
apice laceroso-eiliata. Flores 2—2,5 mm longi, fusci vel pallide castanei. 
Stamina sex, filamentis ca. ?/; breviora; antherae ovatae, filamentis ple- 
rumque distincte breviores. Fructus perigonium subaequans, trigono- 
sphaericus, obtusissimus. Semina 4 usque 4,2 mm longa, oblique-obovata, 
castanea, brevissime apiculata. 
Litt. J. arcuatus var. 8 G. WanrENsEnG, Flora lapponica, 1812, p. 88. 
L. hyperborea R. Br. (1821) et aut. multi pro pte. L. hyperborea R. Br. var. 
a J. DE Lananpr, Monographie des vraies Joncées, 1825, p. 171. 172. C. 8. 
Kunta, Enum. plant. 4844, ill, p. 310. ZL. arcuata WAnLENBERG Var. y. 
E. Meyer, Luzularum species, in: Linnaea, 1849, XXII, p. 405. 
Descr. Perennis, plus minus dense caespitosa, Radices capillares, diam. vix 
usque 0,2 mm, pallide fuscae, fibrosae, Rhizoma erectum vel obliquum, multiceps, 
luriones erectos vel curvatos (rarissime plus minus horizontales) emittens. Caules 
erecti, stricti, etiam superne foliati, plerumque 10—25 cm alti, diam. 1,25—2 mm, 
teretes, laeves, medullä continuä parenchymatosá repleti, serius cavi. Folia basilaria 
cataphyllina, cum vaginis basilaribus purpurascentia, sequentia et caulina (4—83) fron- 
dosa, omnia caule breviora (rarius supremum cum superans); vagina angusta, ore plus 
minus penicillatim pilosa; lamina linearis, plana, sensim attenuata, ad apicem compli- 
cato-canaliculata, (in statu sicco interdum involuta) subulata, margines sparsissime 
ciliati. Inflorescentia terminalis composita; rami primani (1—3, raro 4) plerumque 
slricti, erecti, rarissime graciliores curvali, vel abbreviati (ergo inflorescentia conglo- 
merata), glomeruli pluriflori, capituliformes, fere sphaerici, diam. usque 8 mm. Bractea 
infima subfrondescens sive hypsophyllina, ceterae hypsophyllinae, castaneae vel fuscae, 
apice pallidiores, laceroso-ciliatae; prophylla ovata, pallida, apice longe ciliata, flore 
plus quam duplo breviora. Flores 2—2,5 mm longi, pallide castanei. Tepala lanceo- 
lata, externa glumacea, acutala, castanea, interna subbreviora acuta, pallidiora, tenuiora, 
omnia apice sub lente indistincte crenulata. Stamina sex, tepalis ca. 2/; breviora; 
filamenta linearia, alba; antherae ovatae, vel anguste-ovatae, filamentis plerumque dis- 
lincte breviores. Pistillum exsertum; ovarium trigono-sphaericum; stilus brevissi- 
mus; stigmata longa, erecta. Fructus perigonium subaequans, trigono-sphaericus, 
obtusissimus, muticus, nitidus, superne castaneus, basi pallide castaneus, sive strami- 
neus. Semina 4 usque 1,25 mm longa, oblique obovata, obtusa, castanea, brevissime 
griseo-apiculata. 
Var. L.confusa Live». var. latifolia Fr. Buchenau. (An L.arctica X 
confusa?) Dense caespitosa. Folia basilaria lineari-lanceolata, acumi- 
nata, apice obtusa, laete viridia, plana, 3—4 mm lata, erecto-patentia, 
laevia, glaberrima vel margine parcissime pilosa, iis L. Wahlenbergü 
persimilia, caulina 1—2, minora margine et vaginarum viridium ore 
parce pilosa. Bracteae margine laceratae, glabrae vel parce pilosae. 
Anthela congesta vel saepius laxa, ampla, pedunculis saepe plus minusve 
arcuato-nutantibus, glomerulis multifloris subovoideis. Perigonii folia ovato- 
lanceolata, margine late scariosa, quam capsula trigona obsolete-acumi- 
nata longiora. Semina oblongo-ovoidea, scrobiculata (? B). L. arcuata 
WARLENBERG var. latifolia F. R. Kıeıman, Wissenschaftliche Ergebnisse 
