Discomycetfe, Tubenicoa;, Tiiber. 207 



texto; ascis plenunquo trisporis; sporidiis ellipsoidois, castaneis, 

 30 V 22 (siue sculptura), singularibus 49 *j 45; reticuli alveolis 4,5- 

 5,6 (A. diam., 3-4 |j-. alt. 



Hdb. sub Tilia in silvis et hortis Michailowskjanis gub. Mo 

 squensis RossisB. — Var. albidum Buch. Ann. Myc. 1903, p. 154, 

 tab. IV, fig. 1-10 et Beitr. Hypog. pag. 107: hypogseum valde 

 irregulare, sublobatum, pisi magnitudine aut majus, candidum, 

 deindo maculis lutf^o-griseis, excipulo tenui, molli, aerifero, levi 

 prainoso, venis externis structura excipuU simiHbus, venis inter- 

 nis non distinctis; ascis 1-4-sporis; sporidiis ellipsoideis, singula- 

 ribus 50 ==; 36, sine sculptura, binis 40*30, quaternis 31 « 26, re- 

 ticuli alveolis 7,2 [x. diam. et ultra, alt. 5,3 |j..; fungi odore spe- 

 cifico nullo. Sub foliis putridis BetuUe, Quercus, Alni in Li- 

 vonia et gub. Mosquensi Rossifc. 

 3. Tuber ferrugineum Vitt. — Syll. VIII, p. 897. — var. baisamioi- 3884 

 des Bucholtz, Hedw. 1901, p 310. — Habitu externo Balsamuu, 

 excipuU contextu pseudoparenchymatico; ascis saapius 3-sporis, sed 

 etiam 1-2-4-sporis; sporidiis intense brunneo-rufis 26-46*20-34; 

 sine sculptura; reticuU alveoUs 6-8 jj.. diam., 4,5-5,5 [j.. alt. 

 Hab. pluribus locis, Michailowskoje gub. Mosquensis E.ossi8e. 



