136 CONTRIBUTIONS 
marginata. Caryopsis magna, ‘/, squama brevior, ovoidea, triangularis, angulis 
obtusis prominulis, lævis vel obsoletissime longitudinaliter striolata, pallida vel luteola, 
sursum constricta, basin attenuata. Stylus sabbrevis, deciduus, basi triangularis, 
dilatatus, stigmatibus rufis, vix exsertis. Filamenta tria, longa, antheris ovalibus. 
apiculatis, exsertis. Setæ caryopsin subæquantes, pallidiores, retrorsum scabridæ, 
quinque. 
Tabula XL, C : 4, facies; 12, spicula; 43 pistillum; 14, squama; 15, stamen. 
E. nigrescenti Steud. valde affinis sed caryopsi majore, spiculis amplioribus, satis 
distineta; proxima quoque ÆE. fusco-sanguineæ Bcklr., ÆE. subtili Bcklr., E. chætariæ 
R. et Sch. 
Assomption, in fossis siccatis, August., n. 688. 
E. capiLLacEA Kunth, L. c., p. 139; Bôckeler, L. c., XXXVE, p. 434. Chætocyperus 
capillaceus Nees ab Esenb., L. e., p. 93. 
Caaguazu, in paludosis, Nov., n. 437; in ripis humidis rivali Y-Acan, prope Valen- 
zuela, Mart., n. 4591. 
Specimina culmis elongatis, debilibus. 
Area geog. Brasilia. 
E. RorxiaNa Bôckeler, in Regensb. Flora, 1860, p. 3 et L.e., XXXVL p. #44. — 
Scirpus sulcatus Roth, Nov. pl. spec., p. 30:;—-Chætocyperus tenuiculus Nees ab Esenb., 
ep 00 
Var. nuda, culmis compressis, planiuseulis; spiculis 1 em. longis; caryopsi nitida, 
lævi, rostro albido distincto; setis deficientibus. 
Assomption, ad ripas fluminis Paraguay, Jan., n. #38 ; Paraquari, in locis humidis, 
Decembr., n. 438; in planitie ad Piraqu-bi, inter Paraguari et Stage, Decembr., 
n. 438. 
Insula Apipe grande. G. Niederlein, v. s. 
Area geog. Guiana, Brasilia. 
E. suzcaTa Nees ab Esenb., in Linnæa, IX, p. 294; Bôckeler, L. c., XXXVI, p. 
445. — Scirpidium sulcatum Nees ab Esenb., Cyp. Brasil, p. 98; Eleocharis filiculnus 
Kunth, 4. c., p. 144. 
In ripis humidis rivuli Y-Acan, prope Valenzuela, Mart., n. 4523. 
Area geog. America meridionalis. 
E. QuiNquaNGuLaRIS Bcklr., Beitr. zur Kenniniss der Cyperæ., Het. I, Cyperaceæ 
novæ, p. 15. 
