561 
4. R. albida Beklr. 
Radire fihrosa pertenui: eulmis faseieulatis semipedem 
altis filiformi-setaceis feretinseulis, haud suleatis, usque fere 
ad upicem foliatis; laliis setaceis auguste canaliculatis, 
apieem versus margine dentieulatis, superioribus deerescen- 
tibus, inferioribus culmum non raro uequantibus ; corymbo 
singulo composito parvo (3-6 lin. alto et late) quadriramoso ; 
ramis setaceis ereeto-patulis quam bracteae suac capillaceae 
parım longioribus; Spieulis pluribus in ramorım apiee laxi- 
ascnle faseicnlatis suhpedicellatis lanecolato - oblongis obtusis 
trilloris monocurpis; syuamis membranaceis albidis subopacis: 
inferioribus 4 minoribus subovatis mueronalis, inuerone Tener- 
rimo seabrido, superiorihus oblongis ohtusis matieis v. 
hreviter mucronafis; earyopsi perminuta squama 4-plo bre- 
viore orbieulari, infima busi valde attenuuta, angulis vix 
param prominulis, transversim /eviler rugosa, vugis striola- 
tis, einereu, vosivo brevissimo valde depresso, vertici fructus 
aeqnilate, vix conspicue apieulato, brunneo; stylo exserto te- 
nerrimo breviter bifido. -— Perigon, nullum. 
Haloschoenus albidns N. ab R. ]. ce. 122. 
Brasilia. 
42. R. riparia Beklr. 
Viridis; rbizomate elongato pertenui, fibrillis capillari- 
bus; 
gonis leviter compressis, striatis pauei- (3—%-) foliatis; 
culmis caespitoris setaceis (5—2-pollie. ) obsolete tri- 
foliis remotis e vagina longinscula ampliata setaceis canali- 
eulatis, Drevibus (9—5 lin. long.) apice marginibus denticu- 
latis; fascienlis ®—1 (— 3, Nees) parum distantibus bractea 
37,81 6. Het. 36 
