\ 



18 — 



bicellulares, interdum medio subconstrictae, obscure olivaceae 

 vel subatrae^ 8^5 — 11 ft longao^ 3—4 ft crassae. 



In thallo Placodii gelidi, 



Obige Beschreibung ist Mudd's Manual entnommen. Nach 



Arnold (I. c.) sollen die Sporen 18—23 fi lang, 6 — 8 f* 

 dick sein. 



Ticbothecium perogrinum (Flotow) = Verrucaria 

 peregiiuaFJotow in Botan. Zeitg. 1855. No. 8. — Phaeospora 

 peregrina Arnold in Lichenol. Ausfl. XX. pag. 355. 



Peritbecia punctiforrnia, atra, thallo immersa, vertice 

 tantum prominula. Asci oblongi, 8-spori. Sporae elongato- 

 oblongae^ 4- ccllulares^ ad septa parum constrictae, saepe 

 p^uttulis 4 praeditae, fuscae, 15 ft longae, 5 fi crassae. 

 Parapbyses nullae. 



In tballo Lecanorae Bockii. 



Ticbothecium dccolorans Rebm, Ascomy c. 

 Diagnos. No. 490. — Phaeospora decolorans Kehm, P]xsicc. 



No. 



•^ * ^^ ^k^ ^^ ■ 



Peritbecia gregaria, thalli superficie plus minusve deal- 

 bata insidentia, punctiforrnia, conoidea, atra, glabra. Asci 

 clavati, 8-spori, 60 fi longi, 8 /* crassi. Sporae ellipticae, 

 obtusae, 2—4 cellulares, cellulae mediae guttulis magnis 

 praeditae, ad septa constrictae, rectae, 12 /i longae^ 4 fi crassae. 

 Parapbyses nullae. 



In thallo Biatorae decolorantis. 



Ticbothecium rimosicolum (L eight.) Arnold^ 

 in Flora 1861 pag. 678. — Xenosphaeria rimosicola Korb., 

 Parerga pag. 467. 



Peritbecia numerosaj sparsa confertave, plus minusve 

 immersa J fere globosa, vertice applanato, ostiolo impreseo 

 pertusoque, 0,2—3 mm diam. Asci ovato-clavati vel sub- 

 ventricosi, 8-spori. Parapbyses indistinctae. Sporae ellip- 

 ticae vel cUiptico- oblongae, plerumque utrinque acutatae, 

 4-cellulares, ad septa subconstrictae, dilute fuscidulae, 

 13 — "16 fi lonf^ae, 5 — 6 /< crassae. 



In tballo Rhizoc^)rponis subconcentrici, petraei^ Siegcrtiae 

 calcareae variarumque liclienum aliarunu 



Mullerella Hepp in MulJer, Princlpes de Classif. de 

 Lichens in Memoires de la Societe de Phys. et dTlist. nat. 

 de Geneve t XVL IP°^^' partie. 



Peritbecia plus mimh^ve immersa, globosa, atra, poro 

 pertusa. Asci polyspori. Sporae unitcllulares, fuscae. Para- 

 pbyses indistinctae, 



Mullerella polyspora Hepp, I. c. pag. 80. Peri- 

 tbecia minutissima, globosa, primo fere tota immersa, demum 

 plus minusve prominula, vertice pertuso, ^L — '^L mrn luta^ 



