Sphseriaceas, AUantosporse, Valsa. 115 



breve attenuatis ; ostiolis niinc in stromatis disco vix exsertis, mi- 

 nirais, atris, nitidis, poro angustissimo apertis, plus rainus dense 

 stipatis, nunc contra (sed multo rarius) elongatis, cylindricis, fa- 

 sciculatim erumpentibus, flexuosis ; ascis sessilibus, anguste cla- 

 vatis V. oblongis, octosporis, 40-48 ^: 6-7 ; sporidiis cylindricis, non- 

 nihil curvatis, hyalinis, 8-12 ^^-^^/^. — Spermogonia cytisporoidea, 

 spurie multilocularia ; spermatiis allantoideis 4-5^1, longe stipi- 

 tatis, 



Hab. in ramis corticatis Salicis Capreae et fragilis in 

 Germania et Italia. — ((Affinis V. Verruculce )) . 



20. Valsa Syringae Nits. Pyr. Germ. p. 189. — Stromate exiguo, 448 

 per peridermii rimas minutas ac longitudinaliter directas erum- 



.pente, e basi orbiculari late ac depresse conico v. subhemisphse- 

 rico, in disculum orbicularem v. rarius fere ellipticum subito at- 

 tenuato, plus rainus protuberante et pustulas periderraio pleruraque 

 . arcte adhaerente lateribus obductas, in ramis raraulisque gregatira 

 sparsas formante; peritheciis in singulo stromate plerumque 8-12, 

 rarius 4-7 tantum, perexiguis, globosis v. corapressis, monostichis 

 et in collum pro situ plus minus longura attenuatis; ostiolis pun- 

 ctiforraibus, raox pertusis, abbreviatis, truncatis denseque confertis 

 disculi fuscescentis partem mediam occupantibus ; ascis subfusifor- 

 mibus, sessilibus, octosporis, 40;; 6; sporidiis subdistichis, cylin- 

 dricis, curvulis v. subrectis, hyalinis, 8-12 i;2. — Spermogonia cyti- 

 sporoidea multilocularia ; spermatiis allantoideis, 5::;1, longe sti- 

 pitatis. 



Hab. in rarais Syringse vulgaris in Germania et Italia 

 boreali. 



21. Valsa Vitis (Schw.) Fuck. Fung. rhen. n. 607. Nits. Pyr. Germ. 449 

 190, y. mtigera Cooke. Cfr. Mich. I. 19, 7. Yiih Schw. p. p. — 

 Stromatibus alte imraersis, e basi orbiculari v. ovata per corticem 

 superiorem fibrosura, ductu lineari longitudinaliter parumque emer- 

 gentibus ; peritheciis monostichis, minutis, iu singulo stromate 10- 

 16, angulatis, collo brevi instructis; stromatis substantia albida; 

 ostiolis abbreviatis, cylindricis, truncatis, poro angustissimo per- 

 tusis, atris nitidis, in disculum ovalem v. subrotundum, stromatis 

 substantia fuscescente plerumque cinctura, planura v. nonnihil con- 

 vexura stipatis; ascis sessilibus, anguste clavatis, octosporie, 48:=; 

 7-8 ; sporidiis conglobatis, cylindricis, curvatis v. subrectis, hyali- 

 nis, 10-12 i; 2-3. — Sperraogonia cytisporoidea, raultilocularia; sper- 

 raatiis allantoideis 4-5 t;l, longiuscule stipitatis. 



