622 Hypliomyceto», Domatiese, Phragmospor?e, Cercospora. 



20. Cercospora Dolichl EU. et Ever. Journ. Mycol. 1880. p. 71. — 75:^(1 

 Amphigena sed saepius hypophylla; maculis rubidis; caespitulis par- 

 vis, inaequaliter sparsis, basi tuberculari destitutis; hyphis oliva- 

 ceis, 20-35 s 4-5, simplicibus vel supra subdenticulatis, continuis 



vel obscure 1-2-septatis; conidiis tenuiter obclavatis, hyalinis, o- 

 5- vel pluriseptatis, 50-100^3,5-4. 



riab. in foiiis Doiichi sinensis, Starkville, Missouri Amer. 

 bor. (Prof. S. M. Tracy). 



21. Cercospora flagellifera Atk. Cerc. Alab. p. 19. — Maculis amphi- 7591 

 genis, suborbicularibus v. angulosis, 3-4 mm. lat. v. maguis et in- 

 definite liraitatis, superne atro-brunneis, inferne paliidioribus; hyphis 

 amphigenis, compactiuscule fasciculatis v. effusis, rubenti-brunneis, 

 apice flexuosis et dentatis aut cylindraceis, 40-150 «4-5; conidiis 

 hyalinis, longissimis et gracilibus, multiseptatis, 70-250 » 2,5-3 (basi). 



Hab. in foliis Galactise pilosae et Lespedezse, Auburn, 

 Alabama Amer. bor. (Atkinso^^). 



22. Cercospora Daleae E. et K. Journ. Myc 1888, p. 6. — C^spi- im 

 tulis densis, sphaeraeiformibus et subseriatis aut eiongatia et grega- 

 riis; hyphis simplicibus, brunneolis, rectis, supra subdetiticulatis, 

 25-30 :s 4-5; conidiis obclavato-cylindraceis, brunneolis, l-2-sepla- 



tis, 30-40^3-4. 



Hab. in caulibus emortuis Dale^e laxifiorse, Kansas Amer. 

 bor, (KeltvErman et Swingle). 



23. Cercospora Medicaginis Ell. et Ev. Proc. Acad. Phi!. 1891, p. 91. 751)3 

 — Maculis ferrugineo-brunneis, demum sordide brunneis. suborbi- 

 cuiaribus et subindeiinite limitatis, 3-5 mm. diain.; hyphis amphi- 

 genis sed superne crebrioribus, subhyalinis, dein fiavido-brunneis, 

 continuis, geniculatis, 35-45::; 4-5; coaidiis cylindrico-fusoideis, 3- 

 6-septatis, 40-60 = 3. 



Hab. in foliis Medicaginis denticulatfje, College Station 

 Texas Amer. bor. (H. S. Jennings). — Caespituli late deiise effusi, 

 stratum ferrugineo-brunneum formantes. 



24. Cercospora Davlsil Ell. et Ev. Proc, Acad. Phil. 1891, p. 29. -- ?594 

 Maoulis amphigenis, atro-brunneis, suborbicularibus, 0,2-0,5 cai. 

 diara., inargine subindefinitis; hyphis amphigenis, ca^spitosis, pallide 

 brunneis genicuiatis, curvatis, subseptatis, 40-50 = 5; conidii.s va- 

 riabilibus, oblongo-cylindraceis v. obclavatis, 20-80 = 4-5, multinu- 

 cleatis, dein 5-6-pluriseptatis. 



Hab. in foliis M el i lo ti albae, Racine Wis Amer. bor. — Dif- 

 fert ?L C. MelHoii Oud, 



