Hyphomyceteaj, Dematicae, Phfaginosporfe, Cercospora. 639 



Hab. in foliis vivis Vitis vulpiiiae, Manhattan, Kansas Am. 

 bor. (Kelleraiaw et Swingle). 



103. Cercospora truncata E. et E. Journ. Myc. 1887, p. 19. — Ma- 7672 

 culis amphigenis, sordide bruuneis, supra saturatioribus, miuutis, 

 indefinitis, subconfluentibus; caespitulis iiypophyllis, strata subvc- 

 lutina fumose olivacea demum grisea formantibus; hyphis fascicu- 

 latis e tuberculo .minuto oriundis, cylindricis, simplicibus, subrectis 

 apice obtusis, circulariter cicatricosis, 50-90::? 4-5; conidiis aogu- 



ste obclavatis, hyalinis, 3-6-septatis, sursura sensirn cuspidato-te« 

 nuatis, 70-1 12 = 4. 



Hab. in foliis vivis Vitis indivisse, Louisiana Amer. bor. 

 (Langlois). — Distinctissima a C. viticola et C. canescen/i magis 

 affinis. 



104. Cercospora Infuscans EIl. et Ev. Proc. Acad. Pbil. 1891, p. 90. 7673 



— Maculis brunneis, venuiis foiii limitatis, dein confluenlibus ot 

 nigris, folium torquentibus demumque necantibus; hyphis hypo- 

 phyllis, fasciculatis, ereclis, leviter basi bulbosis, sursura subden- 

 ticulatis, septatis, atris, 70-85=; 4; conidiis clavatis voi oblongo- 

 clavatis, subohvaceis v. fumoso-fuscis, 30-00 ^s 4-5, 3-septatis, pas- 

 sim constrictis, 



Tiab. in foliis languidis Rhois venenatae, Wilmington Del. 

 Amor. bor. (Commons). 



105. Cercospora Bartholomael EIl. et KoII. Journ. Myc. 1889, p. 144. 7^74 



— Caespitulis hyp; phyllis, inconspicuis , indeterminatis , fumosis, 

 sparsis v. subconfluentibus; hyphis fasciculatis, rectis v. subundu- 

 latis, guttatis, continuis v. parce septatis, rubro-brunneis, 20-40 « 

 4-6, subinde fere e basi raniosis, apice integris v. subdentatis; co- 

 nidiis subhyalinis ex oblongo graciliter obclavatis, 20-120 '* 2,5 3, 

 guttatis, brevioribus rectis^ longioribus subcurvis. 



Hab. in foliis Rhois Toxicodendri, Rocks County, Kansas 

 Amer. (E. Bartholomew). 



106. Cercospora MelisB E. et E. Journ. Myc. 1887, p. 16. — Macu- 7675 

 lis irregularibus, subconfluentibus vel saepius gregariis, parvis, 2 

 ram. lat., sordide brunneolis v, albidis, supra saluratius margina- 



tis, subtus indistinctis, indefinitis; cajspitulis amphigenis, in macu- 

 larum centro confertis; hyphis subolivaceis v. fuligineo-hyalinis, e 

 basi tuberculari oriundis, grossis, subreciis, supra fere truncatis et 

 demum 3-5-septatis, 30-40 «4-5; conidiis lineari-obclavatis, hya- 

 liuis, 80-120 ^ 4-5, muUiseptatis, 



