70 TEANSACTIOXS AXD PEOCEEDINGS OF THE [Sess. i.viii. 



JULOCROTOy ARGENTEU5, DidricllS. 



Hab. — Eio Pilcomayo, Fortin Page. 



Capeeoxia castaxe^folia, St. Hil. 

 Hab. — Banks of Pdo Pilcomayo. Lat. 24'' 48' S., May 

 1890. 



Capeeoioa coedata, St. Hil. 

 Hab. — Ptio Pilcomayo. 



AcALYPHA APiCALis, X. E. Br. (n. sp.). — Caulibus 

 herbaceis simplicibus, laxe et breviter pubescentibus ; foliis 

 longe petiolatis, membranaceis, basi quinquenerviis, reliqua 

 parte penniner\'iis, ovato-lanceolatis acuminatis, basi late 

 rotundatis leviterque emarginatis vel subcordatis, subtiliter 

 crenato - dentatis, supra glabris vel minute puberulis, 

 subtus bre\'iter pubescentibus, stipulis subulatis ; spicis 

 masculis axillaribus, solitariis, tenuibus, pedunculatis vel 

 subsessilibus densissime florigeris, pubescentibus, infimis basi 

 bractea palmatilida una fo?minea rudimentaria prseditis ; 

 .spica androgyna terminali dense florigera, usque ad f 

 fceminea, apice mascula, breviter peduuculata, pedunculo 

 pubescente ; bracteis foemineis unifloris, accrescentibus, 

 palmatisectis, segmentis 9—11 linearibus, scabris ; calyce 

 foeminea tripartite, segmentis ovatis acutis, pubescentibus ; 

 ovario strigoso-hirsuto, stylis multipartitis, lacinulis 

 filiformibus ovario sub;equantibus ; capsulis non muricatis, 

 .seminibus le\T.bus. 



Hab. — Eio Pilcomayo, Kerr ! 



Petioli \h—2\ poll, longi. Foliorum laminae 3-4 poll. 

 longse, 1— If poll, latfe. Spicce masculse 1-1 i poll, longae, 

 1-1 i lin. crassce, pedunculo 1—3 lin. longo. Spica 

 androgyute pars fceminea li-lf poll, longa, mascula 5 lin. 

 longa. Bracteae fructigene li lin. longie. Capsula IJ 

 lin. diam. 



The specimens have no root, but have the appearance of 

 an annual, or the annual stems of a herbaceous perennial. 

 In general appearance this species is something like 

 A. gracilis, but the terminal androgynous spike at once 

 distinguishes it from all the other South American species 

 (X. E. Brown). 



