475 



Sphaeriacese, Allantosporae, Valsa. 123 



corticis strato suprerao immerso, superne protuberante et in discu- 

 lum late ellipticum v. rarius suborbicularem sensim attenuato, exi- 

 guo, peridermio facile solubili, transversim fisso v. lacerato erum- 

 pente lateribus sordide fuscescente; stromatibus sine ordine, sed 

 plerumque dense sparsis, basi haud raro connatis ; peritheciis in 

 singulD stromate paucis tantum 4-10, monostichis v. radiatim di- 

 spositis, minutissimis, subglobosis v. angulatis in collum pro ra- 

 tione longum, tenue attenuatis ; ostiolis abbreviatis semper ac per- 

 exiguis, plus minus dense confertis in disculi ex cinereo sordide 

 lutescentis, immo fuscescentis medio erumpentibus nec exsertis, 

 truncatis, poro pertusis ; ascis anguste clavatis v. subfusiformibus, 

 sessilibus, octosporis, 32 s 5 ; sporidiis conglobatis v, subdistichis, 

 subrectis v. parum curvatis, cylindricis, hyalinis, 5-7 ^ 1-1^2' ^^' 

 rius 8 i; 2. 



Hab. in ramis crassioribus Carpini prope Miinster, Germa- 

 nia. — A Vatsa decorticante sporidiis ascisque minoribus differt. 



47. Valsa Dubyi Nits. Pyr. Germ. p. 187. Valsa coronata Duby p. 

 p. — Stromate e basi orbiculari depresse convexo, parum protu- 

 berante peridermio arcte adhserente tecto; peritheciis in singulo 

 stromate 10-20, monostichis, mutua pressione varie angulatis, den- 

 sissime stipatis, majusculis, in coUum breve attenuatis ; ostiolis 

 plerumque parum exsertis, abbreviatis, cylindricis, aterrimis, ni- 

 tidis, poro pro ratione lato pertusis, laxiuscule in disculum a stro- 

 matis substantia cincto, confertis, rarius plus minus elongatis, cras- 

 siusculis, subcylindricis, nonnihil flexuosis; ascis auguste clavatis, 

 sessilibus octosporis, 36 =; 6 ; sporidiis subdistichis, cylindricis, cur- 

 vulis V. subrectis, hyalinis, 7-10 ^2. — Spermogonia cytisporoi- 

 dea: spermatiis allantoideis, 5sl, breve stipitatis. 



Hab. in ramulis et foliis Juniperii communis in Helvetia 

 et Germania. 



48. Valsa decorticans Fr. Summ. Veg. Scand. p. 412 pr. p. Nits. 476 

 Pyr. Germ. p. 194, Sphceria decorticans Fr. S. M. II. 396 p. p. 



— Stromate e basi suborbiculari v. saepius ovali depresse conico 

 V. convexo, in ostiolorum discum abrupte attenuato, majusculo, pe- 

 ridermio facile solubili erumpente ejusque laciniis fissis cincto, fu- 

 scescente immo tandem nigrescente ; peritheciis in singulo stroma- 

 te, cortici interiori parum tantum immerso 6-22, monostichis den- 

 se stipatis mutuaque pressione e globoso angularibus, in collura 

 longiusculum attenuatis; ostiolis plus minus exsertis, cylindricis, 

 tenuibus, atris, nitidis, discura orbicularem v. stromate transver- 



