244 



Syn. HysUrium foliicolum Fr. Syst. myc. II, p. 592. Hyste- 

 rium (Lophodermium) xylomoides CooK. Brit. Fuug. II, p. 762. Lo- 

 phodermium xyJomoides DuB. Hyst. p. 45. FuCK. Symb. myc. p. 256. 



Exsicc. Desm. Orypt. Franc. 995. Karst. Fung. Fenn. 847. 



Hab. In foliis aridis Crataegi coccineae sat rarum. 



5. L. maculare De N. Mem. p. 40. 



Perithecia in macula exarida, pallida dispersa, innata, 

 ellipsoidea, subdepressa, laevia, nigra, demum rima longitu- 

 dinali dehiscentia. Asci cylindraceo-clavati. Sporae filifor- 

 mes, hyalinae. 



Syn. Hysterium maculare Fr. Syst. myc. II, p. 592. Lopho- 

 dermium maculare Dub. Mem. trib. Hyst. p. 45. Fuck. Symb. myc. 

 p. 256. CooK. Brit. Fung. II, p. 762. 



Hab. In foliis Vaccinii uliginosi aridis freqvens. A 

 priori vix diversum. 



6. Oxycocci (Fr.) 



Perithecia epiphylla, epidermidi subinnata, ellipsoidea, 

 apicibus attenuata, obtusa, nigricantia, hibiis tenuissimis, 

 iuflexis, disco, livido, longit. circiter 0,6 mm., latit. circiter 

 0,3 nimm. 



Syn. Hysterium Oxyeoccos Fr. Syst. myc. II, p. 588 et Summ. 

 Veg. Scand. p. 368. 



Hab. In foliis Oxycocci palustris emortuis. Specimina 

 paucissima juvenilia in par. Tammela unica vice sunt iuventa. 



Reperitur etiam triradiatum et trifariam dehiscens. 



XCm. APORIA DuB. 



1. Ap. herbarum (Fr.) Dub. Hyst. p. 52. 



Perithecia sparsa, amphigena, parencbymati innata, ellip- 

 soidea, rarius orbicularia, depressa, submarginata, laeviuscula, 

 nigra, disco subfuligineo, longit. circiter 0,4—0,6 mm., hitit. 



