Sphseriaceae, Allantosporse, Valsa. 131 



Hab. in ramis Sambuci in Britannia et Rubi in Carolina. 

 — Sec. Berk. hsec est genuina species Friesiana ; e contra Currey, 

 Nitschke, Fuckel etc. ad hanc ducunt Dmporthes speciem, et re- 

 vera descriptio Friesii ad hanc postremam potius pertinet. Exera- 

 plaria homonyma anglica Plowrightii et Cookei Euiypce hetera- 

 canthce meae peraffinia sunt. 



B) Macrosporce: sporidiis majoribus (14-28 f*. long.). 



84. Valsa ambiens (Pers,) Fr. Summ. Veg. Scand. p. 412. Sacc. Myc 512 

 Ven. Sp. t. XIII, f. 5-7. Sphceria ambiens Pers. Sph. capsularis 

 Pers. Sph. deplanaia Nees (p. p. in Pyro) Sph. sphincirina Fr. 



p. p. — Stromate conico, truncato, depresso, plus minus protube- 

 rante, peridermio vulgo fisso adhserente tecto ; peritheciis 4-20 in 

 singulo stromate, fere monostichis, sphaeroideis vel mutua pres- 

 sione angulatis, majusculis, collis tenuissimis ostiolisque incrassa- 

 tis, subsphaeroideis vel subovoideis, depressis, Isevibus, majusculis, 

 atris, discum primo albidum, dein cinereum, demum fuscescentem 

 vel atrum ambientibus vel cingentibus instructis; ascis elongatis 

 vel clavatis, 8-sporis, rarius 4-sporis, 40-88 ^ 10-16; sporidiis con- 

 globatis vel subdistichis, curvulis vel subrectis, octonis, 16-18 - 

 3-4; quaternis 20-26^5-6. — Spermogonia {Cytispora carpho- 

 spei^ma Fr. etc.) stromatibus perithecigeris sat similia, disco ro- 

 tundato sordido, papilla vulgo unica, atra, pertusa instructo, mul- 

 tilocularia; spermatiis elongatis, curvulis, 5-7 j; 1, tandem in cirrhos 

 albolutescentes propulsis. 



Hab. in ramis corticatis arborum plurimarum, Pyri, Aceris, 

 Carpini, Coryli, Alni, Pruni, Ulmi, Quercus, Crataegi, 

 Populi, Castanese, R o s se, T i 1 i 8e in tota Europa. — Cfr. quoad 

 formas varias Nits. Pyr., Sacc. Mich. etc. : '?/ - -'^ ^ ■ , it^; .' ^^" - ''-■ 



85. Valsa populina Fuck. Symb. Myc. App. I, p. 314. — Fungus sper- 513 

 mogonicus Ncemaspora populina Pers. Syn. F. p. 109. Cirrhis 

 flavis; spermatiis cylindraceis, curvatis, SslVo- Fungus ascopho- 

 rus Valsce salicince valde similis; ostiolis punctiformibus, in di- 

 sco sordide albo, pulveraceo, aterrimis; ascis oblongis, substipita- 

 tis, 4sporis, 54 :i 8 ; sporidiis cylindraceis, parum curvatis, conti- 

 nuis, 20=^4. 



Hab. in ramis exsiccatis Populi nigrae, CEstrich, Rhenogo- 

 via. — Praecipue ob sperraogonia a Valsa sordida, salicina et ain- 

 biente tute dignoscitur. 



86. Valsa salicina (P.) Fr, Summ. Veg. Scand. p. 412. Nits. Pyr. 514 



