Monographia Juneacearum, 337 
Juncus 
4 usque 4,5 mm longi. Tepala aequilonga, ferrugineo- straminea sive ru- 
bescenti-viridia. Stamina plerumque 3, rarius 4, 5 (vel 6 ?). Fructus pe- 
rigonium aequans vel paullo superans, trigono-ovatus, faciebus planis vel 
subconvexis, brevissime apiculatus, superne castaneus vel ferrugineus. 
Litt. J. oxycarpus E. Meyer in sched. pro pte! J. acutiflorus K. SPREN- 
GEL, Species plant. minus cognitae, in: neue Entdeckungen im ganzen Um- 
fang der Pflanzenkunde, 1821, II, p. 107. Fr. Bucnexau, Monographie der 
Juncaceen vom Cap. in: Abh. Nat. Ver. Brem., 1875, IV, p. 431. 
Descr. Perennis, caespitosus. Radices capillares vel filiformes, diam. usque 
A mm. Rhizoma horizontale brevissimum. Caules erecti, stricti, usque inflores- 
centiam 20 usque 40 cm alti, etiam superne foliati, teretes, laeves, diam. 4 usque 2 mm, 
medullä continuà parenchymatosä serius evanescente repleti, denique cavi. Folia basi- 
laria infima cataphyllina, usque ca. 7 cm longa, sequentia (1—2) et caulina (2—3) fron- 
dosa; vagina longa, laxiuscula, superne in auriculas duas oblongas producta; lamina 
teres vel subcompressa, unitubulosa, septis completis externe manifestis intercepta, 
superne sensim angustata, apice acuta, Inflorescentia erecta, composita vel decom- 
posita, umbelloides vel anthelata, ramis erectis, elongatis; capitula pauca vel plura, 
distantia (rarissime approximata), hemisphaerica vel sphaerica, diam. 9 usque 11 mm, 
multi- (circa 20-) flora. Bractea infima (vel rarius 2 infimae) frondescens, inflores- 
centià multo brevior; bracteae florum ovatae, acutatae, fere toto membranaceo- 
hyalinae, flore breviores. Flores 4 usque 4,5 mm longi, breviter pedunculati. Tepala 
glumacea, lanceolata, acutata, aequilonga, ferrugineo-straminea vel rubescenti-viridia, 
trinervia, tenuia, externa anguste, interna late membranaceo- marginata. Stamina 
plerumque 3, rarius 4, 5 (vel 6?), tepalis ca. !/4 breviora; filamenta e basi triangulari 
linearia, alba; antherae lineari-oblongae, flavidae, filamentis breviores. Pistillum 
(perigonium vix aequans?); ovarium trigono-ovatum; stilus brevis; stigmata longa, 
erecta ?. Fructus perigonium aequans, vel paullo superans, trigono-ovatus, faciebus 
planis vel subconvexis, brevissime apiculatus, unilocularis, nitidus, superne castaneus 
vel ferrugineus, basi pallidior. Semina 0,5—0,6 mm longa, ovata, apiculata, vitellina, 
basi et apice fusca, rectangulariter reticulata, areis transversim lineolatis. 
Distr. geogr. In Gräben, an Flüssen und feuchten Stellen: Capland; 
Angola. (Vielleicht bis Marocco verbreitet, wo Scnovsnor eine ähnliche aber 
kleinere Form sammelte, welche aber an manchen Blüten deutlich stachel- 
spitzige äußere Perigonblätter besitzt.) 
Collect. Wrrwirscu, Angola, 3008 (!). Eckrow et Zeyuer, cap., 782 (!). 
Renmann, Austro-afr., 2256 (!), 2551 (!). Borus, Austro-afr., 4217 (!). 
Icones. Fr. Bucnenau, Le Tab. VIII. 
88. J. exsertus Fn. Bucnenau, Monogr. der Juncaceen vom Cap, in: 
Abh. Nat. Ver. Brem., 1875, IV, p. 435. Caules erecti, cum inflorescentià 
25 usque 55 em alti. Inflorescentia decomposita usque supradecomposita, 
ramis primanis erectis; capitula numerosa, plerumque hemisphaerica, 4- 
usque 14-flora. Flores cum fructu maturo fere 5 mm longi. Tepala aequi- 
longa (rarius interna sublongiora), superne ferrugineo-castanea. Stamina 
6 (raro 3). Fructus perigonium longe (fere dimidio) superans, trigono- 
prismatieus, apice plus minus angustatus, breviter mucronatus, superne 
castaneus. 
Botanisehe Jahrbücher. XII. Bd. 22 
