Hyphomycetese, Dematiese, Phragmosporse, Cercospora. 649 



amphigenis, nigris, subangulosis, 1-2 mm. diam.; Cfespitulis mirm- 

 tis; hyphis hypophyllis, e basi tuberculari exsurgeatibus, 40-75 s 

 3-4, continuis, atris, supra denticulatis et subgeniculatis; conidiis 

 obclavatis, curvis, olivaceis, 2-3-septatis, 35-55 « 3. 



Hab. in foliis vivis Diospyri virginianae, Faulkland, De- 

 laware Amer. bor. (A. Commons). — « An satis diversa a prace- 

 dente?» 



152. Cercospora Lycii E. et Halst. Journ. Myc. 1888, p. 7. — IMa- 7719 

 culis arnphigenis, flavido-brunneis, dein tenuibus, centro-albis, 2-4 

 mra. diam., disciformibus, raargine elevato, definito cinctis; hyphis 

 saepius epiphyllis, flavido-brunneis, supra pallidioribus, septatis, 80- 

 120 »4, subrectis, supra plus minus denticulatis, caespitulos rectos, 



e basi tuberculari exsurgeutes eff"orraantibus; conidiis gracilibiis, 

 80-150=; 4, hyalinis, coatinuis v. vix 3-4- v. pluriseptatis. 



Hab. in foUis Lycii vulgaris, Ames Jowa Amer. bor. (B. 

 D. Halsted). 



153. Cercospora CaricaB Speg. Guar. I, p. 168. — Maculis amphi- 7720 

 genis, pallescentibus, subdeterrainatis, rainutis, 0,5-1 mra. diam.; 

 acervulis hypophyllis, maculas totas occupantibus, centro excepto, 

 circinatim v. concentrice dispositis, dense aggregatis, globosis, 50- 



70 a. diam., obscure e fuiigineo olivaceis, ex hyphis basi in sporo- 

 dochium hyalinura, rainute parenchyraaticum coalitis, superne ex 

 toto liberis ac unilocularibus, articulo elliptico v. fusoideo-clavulato, 

 20-30 - 7-8, apice obtusato saspeque subtruncato, ad angulos cica 

 tricoso, pallide viooso-chlorino donatis, compositis; conidiis eliipti- 

 cis vel piriformibus, continuis, non vel 1-guttulatis vel raedio 1- 

 septatis, mou constrictis, 10-20=; 7-10, episporio minute ssepe sub- 

 imperspicue ruguloso-papillaloso donatis, pallide rubiginoso-oliva* 

 ceis, in hyphis solitariis vel 2-3 acrogenis. 



//a^. ad folia viva Caricae Papayae pr. Guarapi Brasiliae. 



154. Cercospora Vasconcelliae Speg. Guarg. I, 168. — Maculis nul- 7721 

 lis V. amphigenis, pallescentibus, parura raanifestis, eflFusis, indeter- 

 minatis; acervulis hypophyllis, hinc inde densiuscule aggregatis, 

 plagulas parvulas 0,5-5 mm. diara., sparsas v. confluentes, irregu- 

 lares, olivaceas, velutinas efficientibus, ex hyphis cylindraceis, dense 

 stipatis, sed non coalescentibus, breviusculis ac crassiusculis, 2-3- 

 septatis, ad septa constrictis, 50-80 » 7-8, apice obtusissirae rotunda- 



tis V. subtruncatis, articulis superis verruculoso-rugulosis, guttu- 

 latis, olivaceis compositis; conidiis fusoideis vel elliptico-clavula- 

 tis, 20-30 3 6-7. fere subpiriformibus, 3-4-septatis, loculo infero 



