br a 
208 ]. Bresadola. 
8. Ascochyta Pteridis Bres. n. sp. 
Maculis amphigenis, luteo-fuscis, in junioribus saturatius margi- 
natis, irregularibus; peritheciis epiphyllis, gregariis, subglobosis, erum- 
pentibus, membranaceis, poro pertusis, contextu distincte parenchy- 
matico, 100—120 u diam.; sporulis hyalinis, elongato-subcylindraceis, 
interdum curvatis, vel subflexuosis, medio, vel infra 1-septatis, ad 
septa demum subconstrictis, 15 —20 — 4—6 u. 
Hab. in frondibus Pteridis aquilinae „Königstein“ Saxoniae. 
9. Stagonospora Heleocharidis Trail in Scot. Nat. I. p. 76. 
_Sacc. Syll. X. p. 335. 
Peritheciis laxe gregariis, subepidermicis, dein suberumpentibus, 
subglobosis, vel subellipsoideis, 150—200 = 100— 140 u; sporulis vix 
coloratis, subfusoideis, vel subclavatis, 4— 7-septatis, 27—35 — 5-6 u. 
Hab. in culmis Heleocharidis palustris „Königstein“ Saxoniae. 
Obs. Species haec pro Germania nova; insuper forma perithe- 
ciorum a typico desciscit. 
10. Dothichiza populea Sacc. et Br. m. Sacc. Syll. II. 
pag. 672. 
Hab. in ramis Populi nigrae, socia Cryptosporellae populinae 
(Fuck.) Sacc. „Königstein“ Saxonia. Species pro Germania nova. 
11. Colletotrichum Sanguisorbae Bres. n. sp. 
Acervulis laxe gregariis, in maculis subochraceis, fuscescentibus, 
insidentibus, hypophyllis, demum erumpenti superficialibus, 160 bis 
180 « diam.; setulis olivaceis, prope acervulis caespitoso -aggregatis, 
subcylindraceis, apice subcapitatis, vel rarius attenuatis, basi ventri- 
cosis, SO—110 —= 3—6, basi usque ad 9 «u; conidiis clavatis, vel 
subfusoideis, hyalinis, 9—10 — 2—21, u. 
Hab. in foliis Sanguisorbae offieinalis „Königstein“ Saxoniae. 
12. Cylindrosporium acicolum Bres. n. sp. 
Acervulis variis, subcutaneis, punctiformibus vel elongatis; 
conidiis hyalinis, cylindraceo-acicularibus, demum protrusis, 54— 70 
— 1—1’l, u, rectis vel subcurvalis; basidiis filiformibus, concolori- 
bus, 30—45 = 1 u. 
Hab. ad acus Pini silvestris „Königstein“ Saxoniae. 
Obs. Conidia protrusa massam luteolam, tremelloideam supra 
acus efformant. 
13. Phleospora Trifolii Cavara var. recedens Mass. Contr. 
Mic. Ver. p. 96. Sacc. Syll. X. p. 399. 
Maculis amphigenis, irregularibus, demum totum folium occu- 
pantibus, cinnamomeo-fuscis; acervulis amphigenis, pallidis, dense 
