Spliasriaceas, Hyalodidymse, Melaneonis. 605 



8. Melanconis thelebola (Fr.) Sacc. Reliq. myc. Lib. II, n. 138, Dia- 2350 

 porthe thelebola (Fr.) Sacc. Myc. Ven. n. 224, Sphceria thelehola 



Fr. S. M. II, p. 408, Aglaospora thelehola Tul. Carp. II, 166. — 

 Circinata, pustulata; peritheciis globosis decumbentibus, ostiolis 

 exsertis subglobosis confertis laevibus, primo papillatis ; ascis ob- 

 longo-fusoideis 110-120^20, octosporis; sporidiis distichis cylin- 

 draceis curvis, I-septatis, vix constrictis, 45-50 ^ 8, subhyalinis, 

 initio utrinque setigeris. — Status conidicus, sistit Siilhosporam 

 theleholam Sacc. Status spermogonicus, teste Tul., sistit Cytispo- 

 rce formam. 



Hah. in cortice Alni glutinosEe etc. in Italia bor., Helve- 

 tia, Gallia, Germania, Britannia et America boreali. — Perithecia 

 subsena, conferta, valde decumbentia, collis convergentibus subjun- 

 ctis. Ostiola valde prominentia, incrassata, perithecia minuta re- 

 ferentia, inaequalia, primo papillata, dein umbilicata nitida, rigida, 

 unde rami, quibus innascitur, ad tactura asperi. 



9. Melanconis occulta (Fuck.) Sacc. Calospora occulta Fuck. Symb. ~^^^ 

 myc. p. 190, t. IV, fig. 25. — Peritheciis subcorticalibus, 4-10 in 

 greges orbiculares oblongosve dispositis, oblique stipatis, antice sub- 

 connatis, e maximis, ovatis, in collum breve attenuatis, nigris ; 

 ostiolis lato-connicis, majusculis, aterrimis, demum per epidermi- 

 dem longitudinaliter fissam prominulis, nucleo albo; ascis oblongo- 

 ovatis, in stipitem brevera, crassum attenuatis, Ssporis, 144^^68; 

 sporidiis couglomeratis, oblongis, quandoque curvatis, uniseptatis, 



ad septum constrictis, locuUs l-2guttulatis etiam multigranulosis, 

 hyalinis vel dilutisiime flavescentibus, utrinque appendiculis latis, 

 sporidiura dimidium fequantibus, subtilissimis, vix conspicuis (sed 

 extantibus !) primo sporidio ipso adpressis, demum patentibus ; spo- 

 ridiis sine appendiculis, 44-58 ^ 14-16. — Status sperraogonicus 

 Cytisporam sistit, teste Fuck. l. c. 



Hab. in rarais emortuis Populi tremula? prope OBstricb 

 Rhenogoviae, raro. 



HERCOSPORA Tul. Carp. II, p. 154, nec Fries. (Etym. ab hercos, 

 septum, ob sporidia 1-septata). — Perithecia stromate corticali co* 

 nico-truncato imraersa, discuraque erumpentem crassura penetran- 

 tia. Asci paraphysati octospori. Sporidia bilocularia, hyalina. — 

 Status pycnidicus Rabenhorstiam sistit; st. conidicus Exospo- 

 rium; st. spermogonicus fere cytisporoideus. 



1. Hercospora Tiliae (Fr.) Tul. Sel. Fung. Carp. II, p. 154, t. XVIII ^352 



