564 DOTHIDEA. 



50. D. Hederm Moug. ! epiphylla, sparsa, subro- 

 tunda, inaEqualis, glabra, opaca, nigra, intus 

 cinerascens. 



Inquirendum an tuberculum demum poro per- 

 tusum 1. totura secedit, ut Leptostroma. In fotiis 

 vivis Hederce Mougeot. (v. s.) 



51. D' alnea, amphigena, sparsa, subrotunda, ni- 

 gra, nitida, collapsa rugoso-plicata» 



Xyloma alneuixi, Pers^ ! syn^ p, 108. Wahl^ Lapp* 

 p. 524» (ScU Suec. exs. n, 288. Moug* ! & Nestl. 

 n. 78.) 



Multa cum Sph. Artcereate quod formam 

 communia. Ad folia viva Alni glutlnosce & incance 

 cest, (v. V.) 



52. D' ifnpressHy epiphylla, sparsa, umbilicata, ni- 

 gra, nitida, collabescendo concava leevis, 



(Scl* Suec- ex», n. 152.) 



Subrotunda, regularis, primo convexula» Adfo- 

 tia viva Ruhi Ckamcemori, cest. aut. (v. v.) 



53. D. Robertiani, epiphylla, subsparsa, hemisphs- 

 rica, laevis, nitida, nigra, intus alba. 



Gregatira sparsa, sed numquam confluens, Sphae« 

 riam referens, sed tuberculum immediate (absque 

 perithecio) cum folii parenchymate confluit ; hinc 

 major affinitas cum Sclerotiis v. c, ScL Caladi, spei- 

 reo, Ad folia Geranii Rohertiani (v. v, , etiam Kunz^ 

 Moug. Nees, Schubert &c. mis. ) 



54. D. Polygoni, amphigena, subgregaria, minima, 



atra, subnitida, collabescens, intus concolor. 



MaculsE subexpallenti, non exaridx, insidet, ad 

 foliorurn nervos in crustam passim confluens, Ad 

 folia Polygonorum. (v. s. ) 



Dothideae epiphyllse psene innumerse & si Xyloma- 

 tis nomen servandum huic generi imponendnm. Quoad 

 ideam hQnQ differunt & a Sphseriis & Sclerotiis , ab his 



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