Discom\ cetse, Phacidiacese, Abrothallus. 747 



Sect. 3. Didyniosporae. 



ABROTHALLUS De Not. - Syll. VIII p. 739, XVIII p. 161. 



1. Abrothallus Parmeiiarum (Sommf.) Nyl. — Syll. VIII, p. 739— 5813 

 var. dothideaeformls (Fckl. in herb. sub AbrotJiallus) Eehin, Ann. 

 Mycol. V (1907) p. 635. — Ascomatibus in superficie thaili orbi- 

 culariter vel striicformiter usque ad 1 cm. longi, convexe tumidis, 

 demum maculatim denigratis, arcte congregatis, innatis, per rimas 

 reticulatas nigras prorumpentibus, ca. 150 [x. diam. j ascis cylin- 

 draceis, apice rotundatis, 80 «^ 9, octosporis, jodi ope nulla; spori- 



diis subclavatis, utrinque obtusis, medio septatis et subconstrictis, 

 utraque cellula guttam magnam oleosam includente, cellula supe- 

 riore latiore, subfuscis, 12^*5-6, monostichis; paraphysibus arcte 

 conglutinatis, hyalinis. 



Hab. in thallo Peltigerie canincie, Budenheim, Germania 

 (FucKEL in herb. Boissier). 



2. Abrothailus Moorei Lindsay, Observ. on new Lichen. Microfungi 5814 

 (1869) p. 546, t. 24, f. 18-21. — Ascomatibus . . . . ; ascis (ex icone) 

 tereti-clavatis apice rotundatis, deorsum sensim et breviter tenua- 

 to-stipitatis, octosporis; sporidiis monostichis oblongis continuis (?), 

 hyalinis (?) dein 1-septatis, brunneis. 



Hdb. in thallo Cladoniie bellidi florte, KeIIy's Green Hi- 

 bernia (Ireland; Verrucariae Taylori, Verr. fusiformis 

 et Graphidis script:e in Britannia. — Descriptio 1. c. deside- 

 ratur et species videtur perdubia. 



3. Abrothallus caeruiescens Kotte, Centralbl. f. Bakter. etc. II Abt. 5315 

 XXIV Bd. (1909) pag. 86, tab. III, fig. 31. — Mycelio jodi ope 

 cyaneo tiucto; sporidiis 13-15,6^4,9-5,9. 



Hdb. in Parmelia conspersa in Germania. 



4. Abrothallus Curreyi Lindsay, Lich. aud Fgi. Otago p. 409, t. 29, 68I6 

 fig. 1-5. — Syll. XIX, p. 1. — Ascomatibus scutellato-disciformi- 



bus rufo-brunneis pallide marginatis; ascis clavatis, 30 * 15, breve 

 stipitatis, paraphysibus clavatis sursum atro-brunneis, stipatis ob- 

 vallatis; sporidiis ellipsoideis v. suboblongis, 7-8 «; 5-6, hyalinis, 

 utriuque obtusis, medio s;epe constrictulis et verisimiliter demum 

 l-septatis et brunneis. 



Hab. parasitice in thallo Parmeliie perforatte ad truncos 

 et ramos arborum in Nova Zelandia. 



