116 Sphairiacoae, AUantosporae, Valsa. 



Ilab. iii sarmeutis Vitis viniferae in Germania, Italia, Gal- 

 lia, Amer. boreali. 



22. Valsa Verrucula Nits. Pyr. Germ. p. 178. — Stromate e basi or- 

 biculari hemisphrerico, verrucajformi, intus griseo-flavescente peri- 

 dermio arctissime adha^rente, hinc inde fisso, tecto, disco libero, 

 suborbiculari, ex ostiolis numerosissimis stipatissimisque formato 

 coroaato; peritheciis in singulo stromate numerosissimis submono- 

 sticho densissimeque stipatis, minutis, su])globosis v. mutua pres- 

 sione angulatis, in collum longiusculum attenuatis ; ostiolis plerum- 

 que plus minus elongatis et in disculi ambitu subdivergentibus, cy- 

 lindricis, Lievibus, obtusis, poro minutissimo perforatis, aterrimis, 

 interdum abbreviatis nec stroma superantibus ; ascis anguste ob- 

 longis v. clavatis, sessilibus, octosporis, 40-44 s 6; sporidiis sub- 

 distichis, curvulis v. subrectis, cylindricis, hyalinis, 10, rarius 

 12:^27,. 



Hah. in ramis Salicis fragilis, Nienberge, Gerra. et Sali- 

 cis vitellina} in Ital. bor. — Rami fungo invasi dense verru- 

 cosi fiunt. 



23. Valsa cristata Nits. Pyr. Germ. p. 182. — Stromate e basi or- 

 bioulari conico, rarius depresso, subhemisphaerico, pustulato, valde 

 protuberante, peridermio arrecto, plerumque haud fisso arctissime- 

 que adhffirente lateribus tecto, ostiolorum fasciculo coronato; pe- 

 rithecis in singulo stromate 10-20, monostiche confertissimeque sti- 

 patis ac mutua pressione angulatis, corticis substanticT, specie im- 

 mutata) insculpatis, collo longiusculo instructis, in stromatibus mi- 

 noribus sa?pe radiatira fere ordinatis; ostiolis plerumque plus mi- 

 nus elongatis, cylindricis, apicem versus parum attenuatis, v. no- 

 dulosis, basi conjunctis, ceterum divaricatis, flexuosis (rarius ostio- 

 lis omnibus abbreviatis), discura minutum, suborbicularem ac pe- 

 ridermii formam vix superantem, planum, atrum formantibus; ascis 

 anguste clavatis, octosporis, 40 ^; 5 ; sporidiis subdistichis, allantoi- 

 deis, curvulis v. rectis, 5-6 i;l, hyalinis. 



Hah. in ramis Tilia!, Cappenberg (Germania). — Affiiiis 7. 

 ceratophorcv. 



24. Valsa Spegazziniana Sacc. Mich. I. p. 20 et M. V. n. 749. — Pe- 

 ritheciis hinc inde monostiche aggregatis, cortice nidulantibus epi- 

 dermi.demque pustulatim elevantibus, globulosis, atris ; collis elonga- 

 tis convergentibus in ostiola rotundata disculum subcircularem vix 

 exsertum efficientia, desinentibus; ascis fusoideis, 40-50^7-8, apa- 

 raphysatis, octosporis ; sporidiis distichis, botuliformibus, 10-13 ^ 



