Monographia Juncacearum. 323 
Juncus 
basilaria infima cataphyllina, sequentia (4—2) et caulina (2—3) frondosa, caule breviora ; 
vagina longa, laxiuscula, superne in auriculas duas oblongas obtusas producta; lamina 
erecta, plerumque rigida, stricta, teres vel subcompressa, diam. 4 usque fere 2 mm, 
unitubulosa, septis completis intercepta, apice obtusiuscula. Inflorescentia com- 
posita vel decomposita, umbelloides vel anthelata, ramis primanis plerumque erectis, 
strictis, rarius plus minus conglobata; capitula pauca (2, 3 usque 10, rarius 46) sphae- 
rica, densa, quasi echinata, diam, 6 usque 40 mm, multi- (45- usque 90-) flora, viridia, 
rarius fuscescentia. Bractea infima frondescens parva, inflorescentiá minor, ceterae 
hypsophyllinae; bracteae florum late ovatae, aristato-mucronatae, fere toto albo-mem- 
branaceae, flore breviores. Flores fere semper angusti, prismatici, 2,5 usque 4 mm 
longi. Tepala plus minus rigida, lineari-subulata vel lanceolato-subulata, uni- vel in- 
distincte trinervia, externa dura, fere pungentia, nunc omnia aequilonga, nunc externa, 
nunc interna longiora, plerumque viridia, rarius externe pallide rubescentia sive fusces- 
centia, Stamina 3, perigonium nunc superantia, nunc aequantia, nunc eo breviora ; 
filamenta longa, filiformia, alba; antherae plerumque ovales, parvae, filamentis pluries 
iter, quater vel ultra) breviores, raro antherae lineari-oblongae, filamentis 21/2 plo bre- 
viores. Pistillum exsertum; ovarium e basi ovatå triquetro-pyramidatum, superne 
sensim in stilum longiorem brevioremve attenuatum; stigmata longa, erecta, probabiliter 
purpurea. Fructus perigonium aequans, vel plus minus, interdum longe, superans, 
triqueter, e basi angustä (rarius latiore) pyramidato-rostratus (in var. meridionali inferne 
ovato-trigonus, superne longe rostratus); pericarpium tenue, nitidum, vitellinum sive 
ferrugineum, raro subfuscum. Semina parva, 0,3 usque 0,5 mm longa, elongato- 
obovata, breviter apiculata, ferruginea, apice et basi fusca, regulariter reticulata, areis 
magnis quadratis laevibus. 
Var. J. scirpoides Lam. var. genuinus Fr. B. Caules erecti, plerumque 
25 usque 60 em alti, rigidi, plus minus stricti. Folia stricta vel plus minus 
curvata. Capitula pauca vel plura, minora, diam. plerumque ca. 6 us- 
que 8, raro 40 mm, multiflora, fere semper viridia; inflorescentia plerumque 
anthelata, rarius conglobata. Flores rarius 2,5, plerumque 3 usque 4 mm 
longi, plerumque angusti, virides. Tepala lineari-subulata, nunc aequilonga, 
nunc (saepius!) externa, nunc interna longiora. Stamina nunc tepala supe- 
rantia, nunc iis (interdum conspicue) breviora; antherae fere semper parvae, 
ovatae, filamentis pluries breviores, raro fere lineares, filamentis 2!/, plo 
tantum breviores. Stilus longus vel brevis. Fructus e basi ovatà triqueter, 
pyramidato-rostratus, nune perigonium paullo, nune conspicue (usque fere 
dimidio) superans. J. scirpoides J. n Lamarck, 1. c. J. polycephalus B tenui- 
folius F. A. Micnaux, l. c... J. echinatus Henr. MünLexser, Descriptio uberior 
graminum et plantarum calamariarum Americae septentrionalis, 1817, 
p. 207!) (flores speciminis authentici vidi). J. polycephalus J. Gav, pro pte 
et J. macrostemon J. Gay in: J. DE Lamare le J. scirpoides Lam. var. ma- 
crostemon A. macrostylus et B. brachystylus G. ExceLm., l. c., p. 467 et 468. 
J. scirpoides Law. var. B echinatus ExarLw., l. c., p. 468. Caules 
erecti, 40 usque fere 100 cm alti, rigidi, strieti; folia erecta, rigida (rarius 
subcurvata). Inflorescentia plerumque umbelloides, rarius anthelata. Capi- 
1) »Co-species« in p. 208 ejusdem operis enumerata testimonio autoris »Junco poly- 
cephalo crassifolio Micux.« respondet ; » Co-species« secunda» J. polycephalo tenuifolio Micux.« 
21* 
