624 nyphomj'cetoco, Domatiese, F*hragmosporse, Corcospora. 



phigena; maculis indefinitis, inconspicuis, vix rubiginosis, y^-Yo cm. 

 diam., supra distioctioribus et plus rainus confluentibus; caespitulis 

 paucis, effusis, e folii stomatibus saepius exsurgentibus; hyphis cou- 

 tinuis, 15-20 :i 2,5-3, subfuscis, supra subdenticulatis et subundu- 

 latis V. fere integris; conidiis gracilibus, obclavato-linearibus, fla- 

 vido-hyalinis, 2-4-septati3, saspius 40-55:^2,5-4. 



TTab. in foliis vivis Penthori sedoidis, Manhattan, Kaosas 

 (W. T. Swingle) et Jowa (Doct. Halsted) Amer. bor. M 



30. Cercospora Apii Fres. — SvU. IV, p. 442 — var. Carotse Pas- ^poo 

 ser. Diagn. F. N. IV, p. 15. — Amphigena; maculis parvulis, in 

 folii lobulis fuscis, dein expansis ; hyphis brevibus, fasciculatis, re- 

 ctis, septulatis, hyalinis; conidiis bacillaribus vel vix ciavulatis, 

 rectis, hyalinis, integris vel interdum endoplasmate diviso, spurie 

 seplatis, 30-65 c^ 3, .5-4. 



Hab. in foiiis languidis et mox consumptis Dauci Carotas in 

 hortis, Parma Ital. bor. 



31. Cercospora Sii Ell. et Ever. Journ. Mycol. 1889, p. 71. — Saj- 7601 

 pius hypophylla; maculis in hypophylio flavidis, in epiphyllo ni- 

 gris; caespitulis densis, demum confluentibus 2-3 mm, lat. ; hyphis 

 laxe fasciculatis, fumosis v. olivaceo-hyalinis, 40-60:^5, supra den- 

 tatis et sinuatis, continuis v. parce septatis ; coiiidiis acro-pleuro- 

 genis, oblongo-cylindraceis, saepius 1-septatis, vix curvulis, granu- 

 losis, 20-45 s 5-7. 



Hab, in foliis Sii cicutifolii, Racine, Wisconsin Amer. bor. 

 (Doct. J. J. Davis). 



32. Cercospora Polytaenise E. et E. Journ. Myc 1887, p. 104. — Cae- 7602 

 spitulis densis, sphferaBformibus, maculis atris, 3-1 mm. lat , subor- 

 bicularibus vel eilipsoideis, centro sordide albis; conidiis hyalinis, 

 granulosis, dein 1-3-septatis, 70-100 s 4-5. 



Hab. in foliis Polytaeniae Nuttallii, Manhattau, Kansas 

 Amer. bor. (W. T. Swingle). 



33. Cercospora OsmorrhizsB EII. et Ev. Proc. Acad. Phil. 1891, p. 89. 7603 

 — Maculis amphigenis, grisoo-albis, 2-3 mm. diam., in areis emor- 

 tuis indefinite limitatis sitis; hyphis laxe fasciculatis, 60-70=; 3, 

 parce septatis, subolivaceis, sursum flexis denticulatisque in quo- 

 que fasciculo paucis; conidiis angustis, multiseptatis, hyalinis, 80- 

 120=; 3-4. 



ffab. in foliis Osmorrhizae longistylae, Newark Del. (Com- 

 MONs), Racine Wis. Araer. bor. (Davis). ' 



34. Cercospora Hydrocotyles E. et E. Journ. Myc 1887, p. 16. — 7604 



I 



