Sphseriaceae, Allantosporae, Valsa. 139 



Hab, in ramis Sorbi Aucupariae in Gallia, Gerraania , 

 Italia. 



108. Valsa excipienda Karst. Myc. Femi. 11. p. 144. — Forma quasi 536 

 raedia inter V. Massarnanam et V. ieucosio?nam, ab illa sporidiis 

 minoribus, ab hac stroraatibus majoribus, ostiolis marginalibus raa- 

 joribus, sperraogoniis centrura stromatis perithecigeris ut pluriraura 

 occupantibus, et sperraatiis longioribus differens ; ascis 50-60 s 9- 

 12, octosporis, sporidiis 9-12-14 :; 3-4; spermatiis 5-8^:1. 



Hab. in ramis Sorbi aucupariae per totara Fenniara et Lap- 

 poniara, frequens. 



109. Vaisa ieucostoma (Pers.) Fr. Summ. Veg. Scand. p. 411. Sphce- 537 

 ria leucostoma Pers. Syn. p. 39. Valsa Persoonii Nits, Pyr. Germ. 

 222. — Stromate conico-truncato, erurapente, plus minus protu- 

 berante, periderraio adhaerente, 1,5-2 raill. cr.; disco rotundato vel 

 subellipsoideo, niveo-pulverulento ; peritheciis 3-10, rarius- 20 in 

 quovis stromate, raouostichis vel circinantibus, sphgeroideis, raajus- 

 culis, collis longis ostiolisque rotundatis, raro oblongatis, atris pa- 

 rura vel nonnihil exsertis, sparsis; ascis fusoideo-elongatis, 8-spo- 

 ris, 48-56 s 6-8; sporidiis subdistichis, cylindraceis, curvulis, chlo- 

 rino-hyalinis, 10-18^2,5-3,5. — Sperraogonia {Cytispora leuco- 

 stoma (P.) Sacc. C. nivea Fuck.) stromatibus perithecigeris simi- 

 lia, plerumque multilocularia, poro in disco ut plurimum unico; 

 spermatiis fUsoideo-elongatis, curvulis, 4-5 sl, deraura in cirrhos 

 rubros expulsis. 



Hab. in ramis Pruni Cerasi, Padi, domesticse (etiara 

 Persicae, Oxyacanthae sec. Fabr.) Sorbi Aucuparije in 

 tota fere Europa et Amer. boreali. 



110. Valsa Kunzei Fr. Summ. Veg. Scand. p. 411, Sphceria Kunzei 538 

 Fr. Sph. Fini a Schm. et Kunz. — Stromate minuto, e basi ovali 



in discum ellipticura, rarius subrotundum planiusculum sensim at- 

 tenuato, per peridermii rimas, transversim directas, erumpente, 

 protuberante, ex substantia e luteo tandem expallente composito; 

 peritheciis in singulo stromate 8-15, raonostiche v. fere radiatim 

 nidulantibus, minutis, confertis, subglobosis, coUis breviusculis in- 

 structis; ostiolis exiguis, atris, nitidulis, nonnihil exsertis, rotun- 

 datis V. truDcatis et poro angustissimo pertasis, in disco mox fu- 

 scescente confertim sparsis ; ascis anguste clavatis v. oblongis ses- 

 silibus, octosporis, 28;; 4-5; sporidiis conglobatis, cylindricis, cur- 

 vulis, hyalinis, 7-8 - IV,. — Spermogonia cytisporoidea ; spermatiis 

 allantoideis 5-1, longiuscule stipitatis. 



