DiscomyceUe, Patellariacenp, Pliragrnosporae, Patellaria. 179 



vallatis; sporidiis ollipsoideis vel oblongo-ellipsoideis, 7-11 * 3-4, 

 bruimeis, 1-septatis, gclatina hymenaea, jodo e Ccerulescenti viuose 

 rubenti. 



//«6. in thallo Lecanor;o atrynete ad Betulam in Fennia. 



MELASPILEA Nyl. — Syll. X p. 58. 



I. Eu-Melaspilea: asci octospori. 



1. Melaspilea populina (?Crouan) Rehm in Hedw. 1903, pag. (173), 

 ? Patellaria populina Crouan Fin. p. 46, Karscliia populina (Crouan) 

 Sacc. — Syll. VIII, p. 782. — Ascomatibus in ligni cariosi su- 

 perficie dilutissime nigricante dispersis, late sessilibus, primitus 

 globosis, dein patellaribus, disco plano, demum convexulo, acute 

 marginato, fusco nigro, extus glabris, nigris 0,2-0,8 mm. diam., 

 excipulo parenchymatico, subgelatinoso-ceraceo, fuscescente; ascis 

 ovoideo-clavatis, apice incrassatis, sessihbus, 40-45 » 15, octosporis; 

 sporidiis elHjisoideis, medio septatis, haud constrictis, hyalinis, de- 

 mum dikitissime fuscidulis, 2-3-stichis, 12 « 5; paraphysibus fiHfor- 

 mibus 1 ]x. crassis, apice subramosis et fusciduHs, mucose coaUtis 

 4 {X. cr., epithecium formantibus; hypothecio hyahno, hymenio 

 jodii ope valde tincto. 



Hab. in ligno putrescente Populi Tremulte, Prencow Hun- 

 gariae (Kmet). 



II. Spilomela Sacc: asci polyspori. 



2. Melaspilea vermifera Leight. Lich. Brit. p. 437. — Ascomatibus 3739 

 miuutissimis, uigris, innatis, anguloso-oblongis, siccis planis, te- 

 nuiter marginatis, udis convexulis immarginatis; disco pallido; 

 ascis lineari-oblongis, filiformi-paraphysatis, polysporis; sporidiis 

 inordinate spiralibus, tereti-fusoideis, 1-septatis, hyahnis, utrinque 

 acutis curvisque, 22 "^- 2. 



Hdb. in thallo et apotheciis Variolarisa (Pertusaria) di- 

 scoide;n in Britannia. 



Sect. 3. Pliragmospora;. 



PATELLARIA Vahl — Syll. VIII p. 786, X p. 61, XI p. 434, XVI 



p. 795. 

 1. Patellaria callispora Penz. et Sacc in Malpighia 1901, png. 224, 3790 



