728 Pyrenomyceteoe, Sphseriacese, Phseodidymte, Didymosphseria. 



ribiis, cellulis mediis guttulis magnis pracditis, ad septa constrictis, 

 rectis, 12is4; paraphysibus nuUis. 



Hah. \n thailo Biatorae decolorantis in Germania. 

 17. Tlchothecium peregrinum (Flotow) Wint. in Hedw. 1880, p. 18, 2977 

 V^rrucaria peregrina Flotow in Botan. Zeitg 1885, n. 8, Phceo- 

 spora percgrina Arnold in Lichenol. Ausfl. XX, p. 355. — Pe- 

 ritheciis punctiformibus, atris, thallo immersis, vertice tantum pro- 

 minulis; ascis oblongis, 8-sporis; sporidiis elongato-oblongis, 4-ceI- 

 lularibus, ad septa parum constrictis, saepe guttulis 4-praBditis, fn- 

 scis, 15=^5; paraphysibus nullis. 



Hab. in thallo Lecanorae Bockii in Germania. 



SOROTHELIA Korb. Parerga Lichenol. p. 471 et Wint. in Hedwigia 

 1886, pag. 10 (Etyra. a soros et. ihele papilla). — Perithecia ag- 

 gregata, soros rotundatos vel irregulares, inaculiformes forman- 

 tia, superficialia, carbonacea, atra ; asci 8-spori, paraphysibus ob- 

 vallati; sporidia didyma, fusca. 



1. Sorothelia confluens Korber. Par. Lich. p, 471, Wint. in Hedw. 2978 

 1886, p. 10. — Peritheciis rainutis, sessilibus, globosis v. heraisphaeri- 

 cis, aterrimis, conspurcatis, mox lata basi in soros irregulares con- 

 fluentibus indeque deforraibus; spo.ridiis in ascis cylindraceo-clava- 

 tis, octonis, mediocribus, soleaeforraibus, biguttulatis, 15-25 s 6-6, 

 fuscis. 



Hab. \n thallo Phlyctidis argenae in Silesia. 



DIDYMOSPH/ERIA Fuck. — Sacc. Syll. 1, p, 701. 



\. Herbicolse. 



1. Didymosphaeria conoidella Sacc. et Berl. Misc. Myc. II, n. 26. — ?979 

 Feritheciis laxe gregariis, epidermide secedente nudatis e globoso 

 conicis, atris, saepe concentrice, obsoiete plicatis, '/a-Vo nim. diam., 

 ostiolo acutiusculo; ascis clavulatis, modice stipitatis, paraphysa- 



tis, oclosporis, 80-90 s 12; sporidiis distichis, ellipsoideo-oblongis, 

 constricto-1-septatis, 15-18=: 6-7, fuligineis. 



Hab. in ramulis emortuis Capparidis sarmentosae. Teviot 

 Australiae. — A Did. conoidea sporidiis duplo fere longioribus 

 mox distinguenda. 



2. Didymosphaeria subconoidea Bomm. Rouss. Sacc sp. nov. — Ve- mo 

 ritheciis subcutaneis, dein erumpentibus, 150-170 [i. diam., sub- 

 carbonacGis, ostiolo teretiusculo; ascis cylindraceis, 75-100:^6-7, 

 octosporis; paraphysibus tortuosis, siraplicibus vel ramosis, crebre 



