Ueuteromycetfe, Dematiacese, Cercospora. 1427 



remote septatis, non ramosis, olivaceo-fuscis, 3-5 ix. crassis ; coni- 

 diis cylindraceis, rectis, utrinque obtusis, i-3-septatis, non con- 

 strictis, primo subhyalinis, dein dilute olivaceo-brunneolis, 25- 

 35 « 5-7. 



Hab. in foliis Oardui altissimi, Lebanon, Kansas Ame- i 



ricix; bor. (E. Bartiiolomew). — Cerc. ferruginecu et Cerc. Absin- 

 thii habitu similis-. 



61. Cercospora sublateritia P. Henn., in Fl. du Bus- Moy. Congo, 8660 

 Ann. Mus. du Congo, v. II, fasc. II (1904) p. 104. — Maculis 

 obsoletis v. subpallidis rotundatis; ctespitulis hypophyllis rotun- 

 datis vel effusis, lateritiis; hyphis usque ad 250 tj.. lougis, 4-7 [i. 



cr., ramosis, septatis, hyalino-Iateritiis; conidiis clavatis vel sub- 

 fusoideis, pluriguttulatis dein pluriseptatis, 40-80 « 3,5-4, pallide . 



lateritiis. ^ r-\ y \L 



Hah. in foliis Vernoniae sp., Sonso Congo Africa (Van- 

 deevst). 



62. Cercospora Rudbeckiae Peck, N. Y. St. Mus. Bull. 131 (1909) 8661 

 p. 19. — Maculis irregularibus, subconfluentibus brunneis v. vi- 

 ridi-brunneis; hyphis hypophyllis, c;pspitosis, 75-100« 5-6, flexuo- 



sis, leniter septatis; conidiis subcylindraceis v. sursum attenuatis 

 1-3-septatis, 20-90 * 5-6. 1 i 



Hah. in foliis viventibus Rudbeckise laciniatne, prope 

 Painted Post, Steuben co. Amer. bor. — Caespituli Ramula- 

 rice Rudbeckice similes, vero hyphse longiores, magis congestte, co- 

 loratie. 



63. Cercospora brunnea Peck, BuII. Torr. Bot. Cl. XXXVI (1909) 8662 

 p. 156. — Csespitibus hypophyllis, minutis, dense effusis, macu- 



las angulares, stepe confluentes, brunnescentes, 2-5 mm. latas oc- 

 cupantibus; hyphis confertis, flexuosis, 1-3-septatis, brunneis, 60- 

 100 «5-6; conidiis cylindraceis v. subclavatis, siepe curvatis, sub- 

 hyalinis, 40-60 « 5-6. 



Hah. in foliis Prenanthis altissimse, Rogers Arkansas ^ ^ 



Amer. bor. (E. Bartholomew). — Differt a C. Prenanthis hyphis 

 brunneis et conidiis septatis. 



64. Cercospora Rhagadioli Bubak, Bull. Herb. Boiss. 2 ser. VI 8668 

 (1906) p. 487. — Maculis rotundis v. oblongis ad margines fo- 

 liorum irregularibus, usque ad 8 mm. lat., brunneis, indistincte 

 marginatis; c;espitulis minutissimis, brunneolis, hypophyllis; co- 

 nidiophoris fasciculatis e stomatibus erumpentibus,- undulatis su- 

 perne 3-denticulatis, dilute brunneis, sursum dilutioribus, conti- 



