Sphseriacese, Phaeodidymse, Diaporthe. 749 



Fenn. II, p. 55. — Stromate cortici basi imraerso peridermioque 

 tecto, orbiculari, heraisphserico-applanato, substantia corticis fere 

 imrautata forraato ; peritheciis in singulo stroraate 7-25, concen- 

 trice monostichis, plus rainus dense confertis, subsphaeroideis, mu- 

 tua pressione angulatis, atris; ostiolis in discum vel tuberculum 

 disciforme, per peridermium erumpens, plus minus protuberans, 

 atrura, forraa varia, plerumque rotundatum, 0,5-1,5 mill. latum 

 collectis, raro plus minus exsertis, obtuse conoideis ; ascis cylin- 

 draceis, 75-85 ^ 5-6 p. sporif. ; sporidiis octonis raonostichis, oblon- 

 gatis, utrinque obtusis, vulgo rectis, tenuiter uniseptatis vel 2-gut- 

 tulatis, ad septum haud constrictis, fuscis, 10-15:^4-5; paraphysi- 

 bus discretis, filiformibus, guttulatis, gracilibus. 



Hab. in rarais aridis A 1 n i circa Mustiala Fennise. — Sporidia 

 expulsa discura partesque corticis adjacentes ut pulvis olivaceo- 

 ater ssepissime obtegunt. 



31. Valsaria Niesslii (Wint.) Sacc. Phceosperma Niessli Winter in 2837 

 Hedw, 1874, p. 131. — Stroraate cortice interiore immerso, cras- 



so e basi suborbiculari vel ovali hemisphferico, intus fuscescente 

 disco elliptico vel orbiculari, primo fusco, demum (sporidiis expul- 

 sis) nigro, erumpente, ruguloso ; peritheciis in singulo stromate 

 10-40, basi stromatis iramersis, irregulariter dispositis, plus mi- 

 nus dense stipatis, subglobosis vel pressione angulatis, atris, 600- 

 700 a. latis ; ostiolis longissimis, crassis, rugoso-tuberculosis, apice 

 incrassatis, aterrimis, discum papillaeforraiter superantibus, cir. 0,8- 

 1,0 raill. long. ; ascis cylindraceis longissime pedicillatis, 8-sporis 

 70-90^:6-7 p. sporif. ; paraphysibus filiforraibus, tenuissimis, gut- 

 tulatis ; sporidiis raonostichis oblongatis, utrinque rotundatis, rectis 

 vel curvatis, medio septatis, ad septum non constrictis, pallide fu- ^ 

 sco-atris, 8-15 - 4-5. 



Hab. in rarais corticatis Betulae albse, Harth prope Leipzig 

 Gerraanise. — Vaharice foedanii peraffinis. 



32. Valsaria megalospora Auersw. Tauschver. Myrmcecium mega- ^m 

 losporum (Auersw.) Niessl Not. Pyr. p. 55. — Stromate plus mi- 

 nus discreto, valseo, hemisphaerico vel conoideo pulvinato ac pe- 

 ridermio cincto subtectoque, stipato, rarius confluente, extus atro- 

 fusco haud pruinoso, intus fusco; peritheciis in singulo stromate 

 3-5 plerumque 4 monostichis, globosis, vel mutua pressione an- 

 gulosis, collis crassis, brevibus, vertice conicis, parura corapressis, 

 prominentibus et convergentibus; ascis grandiusculis subcylindra- 

 ceis inferne attenuatis et pedicellatis 240-250 i; 24-26, p. sporif. ; 



