636 Hyphomyceteoe, DematieaB, Phragmosporee, Cercospora. 



Amphigeiia; caespitulis indefinite limitatis vel folii venulis partim 

 limitatis, dense confertis, subnigris; hyphis simplicibus, atro-brun- 

 neis, brevibus, 15-25 a. long. ; conidiis sublanceolatis, brunneis, 

 multiseptatis, 70-80 =; 4-5. 



Hab. in foliis dejectis Ascle piadorse sessilis, Kansas Am. 

 bor. (Kellerman et Swingle). 



88. Cercospora Serpentariae E. et E. Journ. Mjc. 1887, pag. 13. — 7658 

 Maoulis amphigenis, griseis^ 1-1,5 mm. diam., margine angusto atro 

 cinctis zonisque fuscis ipsisque atro-raarginatis circumdatis, totis 

 3-4 mm. diam.; hyphis solito hypophyllis, caespitulos sparsos fu- 

 mosos formantibus, curvis, denticulatis, pallide brunneis, 50-75 s 

 4-5; conidiis fusoideis, 1-3-septatis, 40-60 s 4-5 vel subaciculari- 

 bus, elongatis, 75-80 /x. long., 3-5-septatis, fumoso vel flavido- 

 hyalinis. 



Eab. in foliis vivis Aristolochige Serpentariae, Faulkland 

 Dei. Amer. bor. (Commons). 



89. Cercospora Oxybaphi EIl. et Halsted Journ. Myc. 1888, p. 8. — 7559 

 Hyphis amphigenis, pallidis, brevibus, 25-30^3, tortuosis, parce 

 septatis, saepe ex stomatibus oriundis et caespitulos rainutos atros 

 cum basi tuberculari formantibus; conidlis filiformi obclavatis, 3- 

 4-septatis, hyalinis, 30-50 s 3. 



JTab. in fbliis vivis Oxybaphi nyctagi nei, Jowa Cily Am. 

 bor. (A. S. Hitchock). — Csespituli hinc inde aggregati. 



90. Cercospora furfurella Speg. F. Guar. H, d. 194. — Maculis nul- 7660 

 lis v. indeterminatis, vix paliescentibus ; caespitulis epiphyllis, den- 

 siuscule latissimeque aggregatis, vix perspicuis, plagulas ex albo 

 cinerescentes, furfurellas, latiusculas, irregulares efficieQtibus; hy- 

 phis 5-20 in quoque ccespitulo, cylindraceis, reetis vel vix subar- 

 cuatis, continuis, apice obtuse acutatis ac 3-4-nodulosis, 40-60 



s 5, pallide olivaceis; conidiis obclavulatis, basi subtruncato-rotun- 

 datis, sarsum longe attenuatis, 1-5-septulatis, non constrictis, 50- 

 ]20ii4-5, rectis v. insequilateralibus, hyalinis. 



Hab. ad folia viva Boerhaavise discoloris in silvaticis 

 pr. Guarapi Brasilise. — Species pulchella inter Cercosporam et 

 Cercosporellam nutans. 



91. Cercospora anthelmintica Atk. Cerc. Alab. pag. 17. — Maculis 7661 

 parvis, araphigenis, 1-3 mm. lat., albis, margine elevafo, atro cin- 

 ctis; hyphis epiphyllis, fascicuiatis, efTusis, subflexuosis, subnodo- 



8is, profuse dentatis, septatis, fuligineis, vix subinde tinctis, 30-100 

 5:4-4,5; conidiis hyalinis, teretibus, 4-lO-S0ptatis, 25-100 «? 4-4,5. 



