214 Fr. Buchenau. 
Juncus 
24. J. balticus C. L. WırLıLpexow, Fünf neue Pflanzen, in: Berliner 
Magazin, 1809, II, p. 298. — Laxe caespitosus, gracilis. Caules laeves, 
teretes, strieti, tenues, vel crassiusculi, 25—75 em alti, diam. 0,75—2 mm; 
medulla indistinete vel distinctius asterisciformis, serius saepe araehnoidea. 
Cataphylla basilaria mutiea vel mueronata. Inflorescentia pseudolateralis, 
pluri- usque multiflora, regulariter brachiata; bractea infima inflorescentiam 
longe superans, gracilis, saepe curvata. Flores 3—4 (raro fere 5) mm longi. 
Tepala externa distincte longiora. Stamina sex. Fructus perigonium 
aequans, vel paullo superans, brevius longiusve mucronatus. Semina 
magna, ferruginea vel griseo-ferruginea. 
Litt. J. helodes H. Fr. Link, Enum. plant. horti berol., 1821, I, p.305. 
E. Meyer, Junci generis Monographiae Specimen, 1819, p. 35. E. MEYER, 
Synopsis Juncorum, 1822, p. 15. J. pe Lanarpe, Monographie des vraies 
Joneées, 1895, p. 114. C. S. Kuxrn, Enum. plant., 1844, IU, p. 317. 
J. arcticus Wip. var. balticus E. R. v. TnaurvETTER, Plantae Sibiriae bor. 
ab A. CzekANOwsky et F. MürrEm lectae, in: Acta hti. bot. Petropol., 1878, 
V, p. 149. J. glaucus Enmn. var. yokoscensis A. Fraxcner et L. SAvATIER, 
Enum. plant. in Japonia sponte crese., 1879, p. 79 (test. auctoribus ipsis, 
l. e. p. 533). 
Descr. Perennis, laxe caespilosus, viridis. Radices teretes, pallide fuscae, 
fibrosae, diam. 0,5—2 mm. Rhizoma horizontale, internodiis longis, raro brevibus, 
diam.4—4 mm. Caules erecti, stricti vel graciles, teretes vel rarius compressi, laeves, 
cum bracteä infimá 25—75 mm alti, diam, 0,75—2 mm, medullä continuä plus minus 
distincte asterisciformi, serius saepe arachnoideä repleti. Folia basilaria cataphyllina, 
plus minus nitida, straminea vel ferruginea, supremum eorum usque 10 (rarius 12; cm 
longum, muticum, vel brevissime aristato- mucronatum ; folium unicum frondosum 
turionis sterilis cauliforme, teres, subulatum, caule brevius. Inflorescentia pseudo- 
lateralis, composita, pluri- usque multiflora, plerumque anthelata, ramis. elongatis, 
floribus ultimis saepe secundis. Bractea infima erecta, stricta vel curvata, elongatio- 
nem caulis simulans, 5—45 (rarius 20) cm longa, sequentes hypsophyllinae; prophylla 
floris late ovata, obtusa, fere toto scariosa, flore ca. duplo vel triplo breviora. Flores 
3—4 (raro fere 5) mm longi. Tepala glumacea, medio dorsi viridiuscula, lateribus 
fuscis, sive castaneis, marginibus albo-membranaceis, externa lanceolata, acutata, 
distincte longiora, interna lanceolato-ovata, obtusiuscula, latius marginata, Stamina 6, 
longitudine et proportione partium valde variabilia. Pistillum exsertum, ovarium 
trigono-conicum, vel trizono-ovatum ; stilus cylindricus, ovarium fere aequans ; stigmata 
longa erecta. Fructus perigonium aequans vel plus minus superans, trigono-ovatus, 
vel anguste trigono-ovatus, fere pyramidatus, longius breviusve mucronatus, trilocularis 
vel triseptatus, nitidus, superne castaneus vel fulvus, basi vitellinus, Semina magna, 
0,8—1 mm longa, oblique-obovata, apiculata, ferruginea vel griseo-ferruginea, in- 
distincte longitudinaliter reticulata et transversim lineolata. 
Var. J. balticus Wun. var. œ europaeus G. ExcryuaNN, Rev. N. Amer. 
Species Genus Juncus, in: Transact. St. Louis Acad., 1866, II, p. 441 et 
1868, p. 490. Medulla indistincte asterisciformis. Inflorescentia multiflora, 
anthelata, regulariter brachiata. Stamina tepalis externis fere dimidio 
breviora; filamenta e basi latiore linearia, albida; antherae lineares, flavidae, 
filamentis vel sublongiores vel usque duplo longiores. Fructus perigonium 
