730 
Bactriexta Preuss. 
Peridium dnplex, membranose - erustaceum (stipitatum) 
demum sıpra fissum. Columella intra peridium capitata. Ca- 
pillitium, melins stylidia geniculata radiatum, columellam et 
peridium interins jungens. Sporae glomeralae, verrucis styli- 
di adfixae, simplices. 
18. Bactriexta alba. 
Albida; peridio hemisphaerico, eernuo, subtus nmbilicato, 
lobato-substellato fisso; stipite firmo nigrescente; speridiis 
afro-purpureis, nucleis repletis. 
Habitat in ramulis dejectis, 
Fam. XLIIL, Sphaeroenemeae Cori. 
Leptothyrium Fries, Kunze. 
19, Leptothyrium Brassicae, 
Erumpens, hemisphaerico-rugosum; peritheelis earbona- 
ceis, atris, intus dilnie-fuseis, secedens; sporis elongatis, 
utringue rotundatis, albis, diaphanis, continuis. 
Fabitat in foliis Brassicae oleraceae, 
Hercospora Fr. 
Peritheeium immerso -innatum, ostiolo simplici. Sporidia 
septata, opaca, globulo cirshoso erumpentia, 
%. Hercospora stromatn, 
Stromate atro, cortiei insidente; peritheeia plurima, sphae- 
riea, atra includente; subhasidiis (e floceis strati suffaltoril 
orlis) albis; sporis oblongis, transverse et longitndinaliter 
septatis, eellulosis, fuscis, 
Habitat in cortiee arborum frondosarım. 
Septoria Fries. 
Poritheeium innatum, ostiolo simpliei; Sporidia eylindriea, 
septata, pellucida, eirrho rudi erumpentia, 
