149 
Cyperaceæ quædam novæ imprimis Brasilianæ. 
Descripsit 
0. Bockeler. 
(Societati tradilæ die 3tia Febr. 1870.) 
Heleocharis R. Br. 
1. H. Rabenii\ culmis læte viridibus tenuiter setaceis val de 
elongatis, ad pedem et supra longis, strictis subflexiiosis 
quadriquetris, baud corapressis, laleribus tribus leviter ex- 
cavatis, lævibus; vaginis 2 perangustis membranaceis, ore parum 
obliquis, purpurascentibus, superiore 1 — IV 2 poll. longa, altera 
subsemipollicari; spicula parva (fructifera) late ovato-lanceo- 
lata acutiuscula leniter compressa 8—5-flora IV 2 —l^/a lin. 
longa; squamis chartacco-membranaceis bifariis patulis atropur- 
pureis concoloribus vix nitidulis late ovatis carinato-navicularibus 
acutiusculis uninerviis, infimis quam reliquæ parum minoribus; 
caryopsi minutissima squama Va breviore late ellipsoidea 
æqualiter triangulari, angulis prominentibus, lateribus convexis, 
obsolete slriolato-cancellata straraineo-pallida; rostro stylino di- 
midium fructus fere æquante pyramidato triangulari fusco-brunneo, 
basi triloba margine prominulo; perigonii setis (6) subtilissimis 
caryopsi multo brevioribus rufis; stylo perbrevi, stigmati- 
bus 2—3 brevibus reflexis; staminibus 3 subtilibus brevibus. 
Ex affinitate H. chætariæ R. et S., H. leucocarpæ Bckir. et H. 
viviparæ Link. (Vidi in herb. hort. botan. Hafniens.). 
In Brasilia leg. Gom. de Råben. 
