236 Spbserioidefe, Hyalosporje, Dothiorella. 



rainus papillata, coriaceo-membranacea. Sporulas ovoideaB vel ob- " 

 longai, continuse, hjaiinae, ssepius stipitellatae. — Habitus Boiryo- 

 sphcericu, cujus spermogonia habenda sunt. Boihiora pyrenophora 

 Berk. et sphcerioides Berk., sec. Cooke et Capron, Boiryodiplo- 

 diam spectant. 



I. Species minores. 



1. Dothiorelila gregana Sacc. Mich. II. p. 343, Doih. Berengeriana 1390 

 Sacc. in Rev. Mycol. 1880, p. 190, ex errore, nec Mich. II. p. 271. 



— Peritheciis subcutaneo-erumpentibus, in acervulos binc inde ag« 

 gregatis vel gregariis, intus pallidis ; sporulis oblongo-fusoideis, 18- 

 22 ^ 6-6Y2, nubiiosis, hyaiinis, basidiis acicularibus, 25-30 xi 3, suf- 

 fultis. 



Hab. in ramis corticatis Populi canadensis, Corni, Sa- 

 licis etc. iu Grallia et Italia. — Forte pycnidium Physalosporce 

 gregarice Sacc. 



2. Dothiorelia Ribis (Fuck.) Sacc. Podosporium Ribis Fuck. Symb. 1391 

 Myc. p. 205, t. I. f. 27, Diaporthes Siriwieilce siatus spermog. — 

 Peritheciis 1-6, aggregatis, in stromate nidulantibus, seminis Pa- 

 paveris magnitudine, globosis, perforatis, atris, semper tectis, pu- 

 stulas valde prominulas formantibus, demum evacuatis; sporulis 

 pedicellatis, dein liberis, ovato-oblongis, saepe curvatis, simplicibus, 



30 i; 14, hyalinis, ut raassa candida expulsis. 



Hab. in ramulis exsiccatis Ribis nigri, Grossulariae, 

 rubri, alpini, floridj in Germania. 



3. Dothioreila fraxinea Sacc. et Roum. Reliq. Lib. IV. n. 90. — Pe- 1392 

 ritheciis caespitoso-erumpentibus globulosis, V4 mill, diam., vix pa- 

 pillatis, atris; nucleo albido-griseo; sporulis oblongo-eilipsoideis, 

 utrinque obtusiusculis, 12 5; 5, hyalinis; basidiis non visis. 



Hab, in cortice Fraxini in Arduennis (Libert). — Forte huc 

 spectat Sphceropsis Fraxini Lamb. Fl. Myc. Belg. II., quae lecta 

 est in ramis Fraxini prope Liege Belgii. 



4. DothioreJla Liriodendri (Cooke) Sacc. Cfr. Syll. I. p. 465. — Pe- 139? 

 ritheciis in stroraata applanata rimose erumpentia dense aggrega- 



tis, albo-farctis, vix papillatis; sporulis oblongo-fusoideis, 30=^5, 

 granuloso-hyalinis, breve stipitatis. 



Hab. in cortice Liriodendri, Aiken in Carolina inf. Ame-' 

 ricae bor. 



5. Dothlorella Betulae (Preuss) Sacc. Sphcerocisia Betulce Pr. Fungi 13^ 

 Hoyersw. n. 44. — Gregaria erurapens; peritheciis corneis, supra 



