 scentes, minuts, in glomerulum polyedrice regularem liberum _ 
arctius connate. Apothecia nucleis thallinis similia. Spore 
hyaline v. praeipue ad septa vix sensibiliter nigritulae, paullo 
applanat:ie, 4-loculares v. septatione loculorum mediorum ob- 
solete submurales, 0,010—15 m. m. long, 0,005—6 m. m. 
late. Paraphyses nulle v. parc® subdifluentes. Gelatina 
parca hymenii jodo levius Em v. vix aflfecta, asci flaves- 
centes. 
Hab. in insula Tromö irequenter copiosius ad Betulas, 
praeeipue ad latus superius ramorum juniorum, indumento & 
epidermide primordiali vestitum. 
6. Morvola ethalea NORM. 
Syn. Spheconisca sp. NorM. in hb. 
Speciei praecedenti omni re sat similis praeeipue differt: 
1) gelatina intercellulari nucleorum sine ulla caerulescentia 
praecedente jodo rubente, 2) acervulis cellulosis propriis in 
thallo sparsis, irregularibus, vulgo longitudinaliter productis, 
quorum cellule® saturatius brunnex, corticalibus nuclei majores, 
eruciatä divisione propagats, parenchyma submurale efliciunt. 
Hab. in we Mromsi ad Salices, speciatim ad ramos 
juniores pilosos. | 
7. Morvola blattaria NORM. 
Syn. Spheconisca sp. NORM. in hb. | 
Praecedentibus similis distinguitur! 1) gelatinä inter- 
cellulari thalli jodo non reagente, 2) erusta atra latius expansa 
& contigniore, 3) non distinetis nucleis thallinis, cellulis 
corticalibus saturatius brunneo-nigris & laxius cohserentibus, 
4) hyphis basilaribus perithecii crebrioribus unacum hoc 
multo saturatius coloratis. 
Hab. in Alten Finmarki® ad Salices. 
ll. Bifrontia n. gen. 
Thallus erustaceus (nucleis thallinis & gonioeystis desti- 
tutus), cellulis corticalibus coloratis, gonidiis viridulis parvulis. 
cum cellulis incoloribus mixtis. Peritheeium integrum hyphas 
levius coloratus emittens. Paraphyses non distinete. Spore 
elongato fusiformes, acutate, 8—pluriloculares, hyalinse v.in 
‚massula vix sensibiliter nigritulae. 
1. Bifrontia compactior NORM. 
Crusta nigra v. fusco-nigra, tenuis, compactior, leviuseula 
v. levius rugulosa, cellulis minutis, omnibus globosis, cortica- 
libus fuseis, interioribus incoloribus, paucioribus viridulis go- 
 nidia reddentibus, gelatina intercellulari jodo passim cseru- 
 lescente. Apothecia 0,12 -14 m. m. v. ultra lata, sicca 
urceolata-patelliformia, margine spurio elevato dilutiore. Spore 
Pe singillatim pallide, in massula levissime nigritulee, vulgo 
eurvule, 8 —16-loculares, ad septa demum levius constrictae, 
[2 
ee 
