446 Fr. Buchenau. 
Juncus 
ductus. Inflorescentia terminalis, plerumque composita, diffusa; capi- 
tula 1—7, pauci-(1- usque 5-)flora, diam. usque 8 mm. Bractea infima 
frondescens, inflorescentiam subaequans. Flores breviter peduneulati, 
3,5—4 mm longi, pallidi, apice tepalorum saepe ferruginea sive castanea. 
Cetera ut in var. y Echlonii. J. capensis Tuna. var. angustifolius E. M. pr. pte. 
Crescit in sphagnetis. 
Collect. Dnmnkag, J. cap. var. angustifolius © (!), **(), "UU. forma 
[rondescens). Zrvugm, (7), 47 1, 
J. capensis Tunc. subsp. III delicatulus Fn. B., 1. c., p. 490. Viridis 
sive lutescens. Caulis gracilis, tenuis, in statu sicco compressus, in statu 
humido. subeompressus et obscure triangulus. Folia tenuia, dimidium 
'aulem subaequantia, raro longiora. Auriculae desunt, vel parvae adsunt. 
Inflorescentia gracilis; rami graciles, erecti; capitula 5—15 (raro plura). 
Bractea infima inflorescentià brevior. Capitula parva, diam. 6—8 mm, 
9- usque S8flora. Flores lutei vel pallide ferruginei, 3,5—4 mm longi. 
Cetera ut in subspec. Il angustifolio. J. delicatulus E. G. STEUDEL, syn. 
plant. glum., 1855, II, p. 304. 
Collect. Eckr. et Zeyner, 16 (1). Zeynenr, (?), 405 (!) et 106 (!). Porr, 
37 (!). Dnter, 16044 (1), 4604° (D. Renmann, Afr. austral., 2306 (!). 
J. capensis Tuna. subsp. IV parviflorus Fn. B., I. c., p. 491. Plantae 
varietati y Ecklonti affines, differunt rhizomate elongato horizontali, capitu- 
lis parvis, ca. 4- usque 6floris, floribus parvis, ca. 3 mm longis, tepalis ex- 
ternis brevioribus vel rarius interna aequantibus, aristato-mucronatis. J. 
cephalotes Hocnsrerrer, Flora 1845, p. 342, nee THUNBERG. 
Collect. Am Ufer des Flusses Zondereinde, leg. Fern. Krauss. 
J. capensis Tusc. subspec. V geniculatus Fr. B. l.c., p. 492. Rhizoma 
perpendiculare, breve, multiceps. Caules 20—40 cm alti, diam. 0,5—4 
mm, in statu sicco compressi et saepe sulcati, in statu humido 3—4 anguli, 
laeves. Folia linearia, longitudinaliter complicata, */,—2 mm lata, 10—25 
em longa; vagina in foliis ultimis plerumque in auriculas duas acutas 
vel obtusas producta; apex folii in mucronem nigrum brevem terminans. 
Inflorescentia composita vel supradecomposita, ramis vel rectis vel 
curvatis, saepe geniculato-distantes. Capitula 8—40, hemisphaerica, 5- 
usque 8flora, diam. 8—9 mm. Flores brevissime peduneulati, ca. 4 mm 
longi. Tepala aequilonga, medio dorsi plerumque viridia, lateribus et 
apicibus ferrugineis (in statu sicco pallide castaneis). Fructus tepala fere 
aequans, ovato-trigonus, obtusangulus, breviter apiculatus, vel mucronatus, 
apice pallide-castaneus, basi nitidus. Semina..... 
Clavis analyticus subspecierum et varietatum Junci capensis: 
A. Tepala externa breviora vel rarius omnia aequilonga. 
Subsp. IV parviflorus. 
B. Tepala externa longiora. 
a. Fructus brevius mucronatus sive apiculatus. ` Subsp. V geniculatus. 
