452 Pyrenomyeetoic, SpliaM i:iccf<.', Allantosporae, Valsa. 



rihus; peritheciis 5-8 circinaulibus, glolmlosis, 'y^, nirn, iat., ostio- 

 lis cyliudi-aceis, breviusculis, in discuni subcircularGin nigruni 250 

 IX. (liam., ievein epidermide arcte cinctum desineutibus; ascisfusoi- 

 deis, subsessilibus, 45-60^10-13; sporidiis distichis, ailantoideis, 

 18 = 2,5, liyalinis. 



IIoO. in ramulis emortuis Viburni Opuli in silvis pr. Pa- 

 Iroschilowo Sibiria?. — Valsw salicincn affinior. 



12. Valsa betullcola Schulz. F^.ot. Centr. 1883, XV, pag. 3. — Stro- 

 mate valseo, sub epidermide nidulante, parenchymati corticis inte- M7a 

 rioris immerso, ab ejus substantia parum mutata, infuscata, com- 

 posito, friabili, subinde sterili; peritheciis in quoque stromate pau- 



cis, s?epG laniura singulis, monostichis, atris, corneis, subsph.Tsroi- 

 deis, ad basim quandoque applanatis aut impressiSj 300-550 ■;.. lat., 

 cum ostiolo 500-050 ^x. alt., ostiolis cylindraceis, 200-300 = 70- 

 150, noc prominulis; ascis cylindraceo-clavatis, subsessilibus, 8- 

 spori^', S(d-92 -• 13-14, aparaphysatis; sporidiis cylindraceis, sa^pe 

 curvulis, 16-20::: 4, hyalinis, irregulariter guttulatis. 



Uab. ad lamos dejectos Betulae alba^, Djakovar Slavonise. 



13. Vaisa cornina Peck in 38 Rep. St. Mus. p. 102. — Stromatibus i«7i 

 miiiutis, sparsis. primum epidermide tectis dcmum, eA longitudi- 

 naliter ruptd, nudis; peritheciis 2-5 in quoquo stromate, in parte 

 interiore corticis nidulantibus, nigris; ostiolis vix exsertis ; ascis 

 clavatis, sursum rotundatis, 50::; 10; sporidiis in asci parte supe- 

 riore congestis, allantoideis, 15-17=; 4. 



Hab. in ramis emortuis Corni pa n i cu la tae, Albany in Ame- 

 rica boreali. 



14. Valsa fraxinlna Peck in Torr. bot. Club. 1884, p. 28. — Pustulis i872 

 parvis; peritheciis miuutis, in quoque stromate 3, cortice interiore 

 nidulantibus; ostiolis minutis, punctiformibus, nigris; ascis subclava- 



tis, 50-60=; 8. sporidiis allantoideis, stipatis, 12-17:^4-5, hyalinis. 

 llab. in ramis emortuis Fraxiiii a m e r ica n a.', Canada in 

 America boreali (MAcouNr). 



15. Valsa prunicola Peck in 33 Rep. St. Mus. 1883, p. 33. — Pustu ih?^ 

 lis sparsis, leniioi- [trominulis, tpidei"midem perforaiitibus vel trans- 

 verse erumpentibus ; peritheciis i()-12 ligno imraersis vol cortico 

 interiore nidulantibus; ostiolis stipatis, vix exsertis ; ascis fusifor- 

 mibus V. subcylindraceis, rectis aut vix curvulis, quadrinucleatis, 

 hyaiinis, lJ-15 :; 4. 



Hah. in rarais emortuis Pruni pensi 1 va n i ca^ , Sandlake 

 Amer, bor. 



