434 Fr. Buchenau, 
Juncus 
margines vaginae angusti ; auriculae desunt; facies supera e cellulis teneris composita. 
Inflorescentia erecta, composita usque supradecomposita, umbelloides vel repetito- 
umbelloides vel rarius anthelata; rami breves, rarius elongati; capitula A usque 42 (raro 4 
usque 30), sphaerica vel hemisphaerica, plerumque 8- usque 40flora, diam. ca. 8 mm. 
Bractea infima frondescens, inflorescentiä plerumque brevior, ceterae hypsophyllinae; 
bracteae florum hypsophyllinae, lanceolatae, acutatae, floribus plerumque breviores. 
Flores breviter pedunculati, 2,5 usque 3 mm longi. Tepala glumacea, aequilonga vel 
externa subbreviora, externa oblongo-lanceolata, acuta, sive acutata, sive mucronata, in- 
terna late lanceolata, obtusa, omnia medio dorsi viridiuscula, lateribus ferrugineis sive 
pallide membranaceis, interna albo-membranaceo-marginata, Stamina 3, tepalis ca. 1/4 
usque 1/3 breviora; filamenta filiformia, albida; antherae ovales, filamentis pluries bre- 
viores (rarius fere lineares, filamentis breviores). Pistillum perigonium subaequans; 
ovarium trigono-ovatum ; stilus brevis; stigmata brevia. Fructus perigonium aequans 
vel vix superans, trigonus, obovatus vel turbinatus vel pyriformis, obtusus, longius bre- 
viusve mucronatus, trilocularis; pericarpium nitidum, apice ferrugineum sive fere casta- 
neum, basi viridiusculum. Semina numerosa, minora, ca. 0,35 mm longa, ovalia, obtusa, 
mutica, distincte rectangulariter reticulata et transversim lineolata, ferruginea, basi fusco- 
apiculata. 
Var. J. planifolius R. Br. var. a demissus Fr. B. Caulis humilis, 
7 usque 9 (raro 18) em altus, gracilis; folia angusta (plerumque 4 usque 
2 mm lata) ; capitula 1 vel 2 usque 3, approximata, parva, diam. 6 usque 
7 mm; tepala interna paullo longiora; fructus ovato-prismaticus, longius 
mucronatus. — J. demissus E. G. STEUDEL, |. c. — Chile. 
J. planifolius R. Br. var. 3 chathamensis Fn. B., krit. Verzeichnis aller 
beschriebenen Juncaceen, 1880, p. 36 et 87. Gracilis; caulis tenuis 
30 em altus; folia angusta, 1,5 usque 2 mm tantum lata; tepala intense 
colorata, medio dorsi brunnea, lateribus castaneo-nigris. — Chatham-Insel ; 
leg. TRAVERS. 
Formae diversae. J. cantholepis E. G. SrkvpEL, l. c., est forma 
parva plantae typicae. — J. planifolius R. Br. var. tenella G. Bentuam, fl. 
austral., 4878, VII, p. 124 (»Stems mostly under 6 inches, very slender, 
with very narrow leaves; flowerheads small with few flowers, but not so 
small as in J. gracilis. Flowers triandrous and capsules shortly mucronate 
as in the typical J. planifolius. — Mount M'Ivor, F. MüLLer«) vix est varietas, 
sed forma depauperata. 
Distr. geogr. An feuchten Stellen und in Sümpfen: Neuholland, 
Tasmania, Neuseeland; Chatham-Insel (die var. chathamensis Fr. B.). In 
Chile häufig. Bolivia (?). 
Collect. Sinn, N. Holl., 428 (!). Verreaux, N. Holl., 82(!), 460 (!). 
DnuwwoNp, 208, 366. Gunn, tasm., 970, 1441. BRIDGES, Valdivia, 832 (!). 
LEcHLER , 413 1. »J. wantholepis SrEvp.«), 450% (!), 873 (D, 1385 (1), 4457 (!). 
Dunn, 38 (l, var. a demissus). Gunn, tasm., 970, 1444, STEPHENSON, 
N. Z. 442 (1). 
Nota 1. Hooker nennt in der Flora Tasmaniae (l. c.) den J. planifolius geradezu 
»annuus«; dies ist aber sicher nicht correct; die Pflanze ist vielmehr nur in dem Sinne 
(ähnlich wie J. caespiticius und J. gracilis) einjährig, dass die jungen Pflanzen oft schon 
im ersten Jahre zur Blüte gelangen; aber die Pflanzen überwintern (oder überdauern 
