Uredinacese inferiores, .Eeidium. 379 



vinatis dein cupulatis, pallide fuscis, margine revoluto, fimbriato, 

 pallido; vel gecidiis caalicolis irregulariter explanatis, pseudoperidiis 

 confiuentibus, subimmersis, plus niinus pustulaiis dein cupulatis; 

 secidiosporis subglobosis v, oblongis, acutangulis, h yalino-fuscescen- 

 tibus, 16-24 ^ 14-22, intus granulatis. 



Hab. in foliis caulibusque Agerati conyzoidis in Africa 



trop. (VOLKENS). 



50. ^cidium pachycephalum Diet. Hedw. 1897, p. 34. — Mycelio lUQ 

 omnes partes plantse nutricis penetrante; secidiis prtesertim cau- 

 Jicolis, aequaliter sparsis, singulis foliicolis, margine albo denticu- 

 lato, caduco; sporis polyliedricis, subglobosis v. ovoideis, 23-29 ^ 

 19-23, membrana verrucosa, apice valde (usque ad 11 c .) incras- 

 sata prteditis. 



Hab. in Baccliaride megapotamica, Serra Geral Bra- 

 siliae (Ule). 



51. ^cidium baccharidicoluni P. Henn. Hedw. 1896, p. 262. — ^ci- 1347 

 diis caulicolis; pseudoperidiis solitariis vel aggregatis cortice fisso 

 erumpentibus, cupulatis, pallide flavis; secidiosporis globosis, ovoi- 

 deis vel eliipsoideis, hyalinis, levibus, 16-23 ^ 14-20; contextu cel- 

 lulis oblongis vel elongato-ovoideis, acutangulis, hyalinis intus fla- 

 vidulis, granuloso-tessellatis, 20-30 « 14-24, 



Ilab. in caulibus Baccharidis spec. pr. Buenos Ayres Ar- 

 gentinse (Lorentz). — ^cidiis Puccinim evadentis Harkn. affinis. 



52. /Ecidium Baccharidis Diet. Hedw. 1897, p. 33. — Maculis irre- laiS 

 gularibus; pseudoperidiis hypophyliis, irregulariter dispositis, se- 

 rniimmersis, margine recto; aecidiosporis ellipticis vei pol^^-hedricis, 

 subtiUssime verruculosis, 20-24 p. diam. 



Hab.m foliis vivis Baccharidis cujusdam, Serra Geral Bra- 

 silise (Ule). 



53. /Ecidium Montanoae Diet. et Holw. Bot. Gaz. 1897, pag. 36. — 1349 

 Pseudopcridiis in petiolis et ramis junioribus, distorsiones efiicien- 

 tibus, confertis, alveolatis, margine irreguiariter et profunde den- 

 ticulato, cellulis 40-60 p.. longis; sporis polygonalibus, subglobosis 



V. irregulariter ovatis, 20-30 « 17-23, membrana tenui, hyalina, 

 verrucosa. 



Hab. in petiolis ramisque Montanoai spec. pr. urbem Me- 

 xico (Holwat). 



54. ^cidium Niederleinii P. Henn. Hedw. 1896, p. 261. — Maculis 1350 

 •Jlavis vel brunneolis, irregularibus vel rotuudatis; secidiis hypo- 

 phyllis ; pseudoperidiis gregariis orbiculariter dispositis, palliclo 



