444 Fr. Buchenau. 
Juncus 
longus; sligmata loaga. Fructus perigonio ca. !/; brevior, trigono-prismaticus, ob- 
tusangulus, trilocularis, plerumque longius mucronatus vel fere rostratus. Semina 
pauca, magna. 
Distr. geogr. Capland. Insel St. Helena (J. Cu. Mzruis, St. Helena, 
1875, p. 349: »No. 789: J. capensis Tune, — Spreading Water Grass or 
Rush, wild and common in some localities in the swampy parts of the moun- 
tain streams at the Briars, Oakbank ete.«). 
Molleet. Howison's Pond, Mac Owan, 2049 (!) et 2020 (1). 
Icones. Bucnenau, l. c., Taf. XI (specimina variet. sírictissimi, Eck- 
lonii, flaccidi et sphagnetorum, nec non analys. numer.). 
J. capensis Tusc., subspecies I longifolius E. M. Plantae glaucae. 
Caules stricti. Folia linearia, in dimidio inferiore dilatata, stricta. Capi- 
tula pauci- usque multiflora. 
Var. a strietissimus Fr. B., l. e. Planta valida, usque 60 cm alta. 
Rhizoma perpendiculare, breve. Caules firmi, diam. usque 2 mm, in 
statu sicco compressi, acutanguli (angulis 2—3), in statu humido obtuse 
trianguli, striato-valleeulosi. Folia usque 30 em longa, stricta, linearia, 
inferne dilatata (usque 6 mm), plana, superne ca. 1,5 mm lata canalicu- 
lata; vagina late marginata, apice longo mucronato, mucrone ferrugineo; 
auriculae desunt. Bractea infima plerumque firma et inflorescentiam 
superans. Inflorescentia supradecomposita, densa (sed non conglome- 
rata), ramis erectis strictis. Capitula 45 — ca. 50, magna (diam. usque 
10 mm), multi-(10- usque ca. 15-)flora. Flores k—5 mm longi, acutan- 
guli. Tepala subaequilonga, medio dorsi viridiuscula, lineis duabus 
lateralibus castaneo- fuscis (in statu sicco pallidioribus), externa aristato- 
acuminata, aristà castaned, fere nigrä. Fructus (immat.) perigonio ca. 
1/4 brevior, breviter rostratus, stramineus, nitidus. Semina ca. 0,6— 
0,7 mm longa. 
Collect. Hottentottsholland ` leg. GurriNzivs. 
Var. 8 gracilior Fr. B., 1. c., p. 483. Planta gracilior, 30—45 (raro 
55) em alta. Rhizoma perpendiculare, breve. Caules stricti, diam. ca. 
4,5 mm, in statu sicco compressi, in statu humido subeompressi et obsolete 
trianguli, plerumque indistincte valleculosi. Folia 45—25 (raro 35) em 
longa, linearia, 4 mm lata, inferne dilatata (usque 3 mm), superne canali- 
culata, vagina saepe (in folio ultimo!) feresemper) in auriculas duas produeta. 
Inflorescentia composita vel decomposita, capitulis 12—20, ramis erec- 
tis. Bractea infima frondescens, plerumque curvata et inflorescentià bre- 
vior. Flores longius breviusve pedunculati, 4,5 mm longi. Tepala sub- 
aequilonga, interna subbreviora, ferruginea vel pallide ferruginea, externa 
longius breviusve aristato- acuminata vel aristato- mucronata, mucrone 
ferrugineo. Fructus et semina desiderantur. J. cymosus K. SPRENGEL (nec 
4) d, i. des letzten Laubblattes vor dem Blütenstengel; der Ausdruck »intimo« l. c. 
p. 483, 485 el 492 künnte leicht missverstanden werden. 
