Sphseriaceae, Phagodidymae, Didymosphseria. 709 



ridiis recte v. oblique monostichis, elliptico-subclavulatis v. obo- 

 vatis, superne saepius obtuse rotundatis, inferne attenuato-acutiu- 

 sculis, 12-14 i; 5-6, medio 1-septato-constrictis, loculo iufero mi- 

 nore, primo granuloso farctis, hyalinis, dein guttulatis, olivaceis. 

 Hab. in thallo v. apotheciis languentibus Theloschistidis 

 flavicantis ad palos vetustos, Conchas Argent. Amer. merid. — 

 Species prsedistincta; an sporidia primitus strato mucoso exiguo 

 induta? 



II. Microthelia Korb,, Niessl: peritheciis epidermide circa ostiolum 

 nigrificata tectis. 



34. Didymosphaeria epidermidls (Fr.) Fuck. Symb. myc. p. 141 Sphce- 26n 

 ria epidermidis Fr. S. M. II, p. 499 ex parte, Sphcerice alomaria 

 Wallr. Crypt. n. 3731. Sph. Arauca^Hce Cooke Seem. Journ. IV, 



t. 45, f. 12. — Sparsa; peritheciis tectis vix prominentibus, laevi- 

 bus, minirais, demum collabescentibus depressis, ostiolo minuto erum- 

 pentibus; ascis cylindraceis, 75-100 ;:; 7-8, paraphysibus ramulosis 

 obvallatis, octosporis; sporidiis monostichis, rarius subdistichis, el- 

 lipsoideis, uniseptatis, dein constrictis, rectis curvulisve, 2-guttu- 

 latis, 8-11 s 6, fuligineis. — Spermogonia et pycnidia nota teste 

 Fuck. 1. c. 



Hab. ad ramos corticatos subvivos Berberidis vulgaris, 

 Salicis, Eucalypti, Sambuci in Suecia, Belgio, Britannia, 

 Lusitania, Gallia, Italia, Amer. bor. — Adest forma ascis tetra- 

 sporis. Varietates sequentes, quas distinxi in F. Vea. Ser. II. p. 323, 

 forte specifice distinguendie sunt. Var. Coryli Avellance : ascis 

 85-90 i; 8; sporidiis 14-16^:7,5, fuligineis. Pr. Treviso Italia bor. 

 — Salicis babylonicce : ascis 110 i; 9; sporidiis 15-18^8-9, oliva- 

 ceo-badiis. Ibidem. 



35. Didymospliaeria brunneola Niessl Neue Kernp. p. 201. — Peritheciis 267s 

 sparsis vel laxe gregariis, sub epidermide pallescente nidulantibus, 

 macula fusca vel atro-purpurea tectis, majusculis, depresso-hemi- 

 spha^ricis vertice umbilicatis, papillatis, atro-fuscis, coriaceis, du- 

 riusculis ; ascis subcylindraceis stipite brevi, octosporis 60-90 s 

 6-8; sporidiis monostichis, ovoideo-oblongis, medio septatis paulo- 

 que constrictis, olivaceis, 7-12-4-6; paraphysibus numerosis, ele- 

 gantissime ramosis, angustis. — Spermogoaia punctiformia, spar- 



sa, hemisphperica, atro-fasca, submembranacea; spermatiis angu- 

 stissimis, cylindraceis, rectis 2-4 i; y^ hyalinis. 



Hab. in caulibus siccis Verbasci, Artemisi:^, Hyperici, 



