Sphaeriaceae, AUantosporse, "Valsa. 117 



P/g -2, 2-guttulatis, perfecte hyalinis. — Peritheciorum contextus 

 laxe cellulosus, olivaceo-fuscus. 



Hab. in ramis corticatis Evonymi europaei, a Conegliano 

 (Ital. bor.), (Spegazzini). 



25. Valsa ribesia Karst. Fung. Fenn. exsicc. 857. Myc. Fenn. II. p. 453 

 138. — Stromate e basi orbiculari depresse conoideo, peridermio 

 fere iategro et ostiolorura fasciculo solum pertuso tecto, corticis pa- 

 renchymate specie iinmutato composito ; peritheciis in singulo stro- 

 mate 6-12, raonostichis vel subcircinatis, collis elongatis, decum- 

 bentibus; ostiolis conferte stipatis, atris, levibus, sphseroideis ; ascis 

 cylindraceo-clavatis, 35-42 a. long. ; sporidiis elongatis, distichis, 

 subrectis, 6-9 ^; 1,5. 



Hab. in rarais Ribis alpini aridis, rara, in Fennia. 



26. Valsa exigua Nits. Pyr. Germ. p. 196. — Stromate in corticis in- 454 

 terioris superficie locum aliquantulum sensimque elevatum sisten- 



te ostiolorum disco minimo, tuberculiformi, peridermio erumpente 

 coronato ; peritheciis in singulo stromate 5-8, ovatis, monostichis 

 V. circinantibus, in corticis interioris substantia immutata dense 

 nidulantibus, collis brevissimis instructis; ostiolis rainutissimis, atris 

 nitidis, rotundatis, poro vix conspicuo pertusis, in corpusculum 

 exiguum, deforme conglomeratis, rarius disculum planum forraan- 

 tibus densissirae stipatis; ascis sessilibus, anguste clavatis, octo- 

 sporis, 40-44 ^ 6 ; sporidiis cylindricis, nonnihil curvatis, hyalinis, 

 9-12 ^ 2-2V2. 



Hab. in ramis Aceris campestris, prope Miinster (Germa- 

 nia). — AflEinis Valsce coronatce, sed peritheciis, sporidiis, ascisque 

 majoribus satis recedit. 



27. Valsa horrida Nits. Pyr. Germ. p. 176. — Stromate e basi ovata 455 

 convexo, depresso, subito in disculura rainutura, ellipticum, pla- 

 num, peridermium tandera transversim erurapentem idque vix su- 

 perantem attenuato, cortici interiori, in superficie, ut stroraata 

 ipsa, colore castaneo tincto adnato; peritheciis monostichis, nume- 

 rosis, minutis, densissime stipatis, rautua pressione angulatis, nunc - 

 omnibus stromate omnino inclusis, marginalibus cohvergentibus, collo 

 longiusculo, ostiolo punctiformi, hemisphperico, poro minutissirao 

 perforato instructis, nunc contra pro parte subliberis, collis lon- 

 gis, subcylindricis, apicera versus sensira attenuatis, nodulosis v. 

 sulcatis, liberis, plerumque radiatira divergentibus et horizontali- 

 ter directis periderraioque tectis; peritheciis paucis hujus indolis 

 ssepe in spermogonii basi oriundis et ab eo coronatis; ascis cla- 



