482 Pyrcnomyce+ae, SphaBrlaceEP Alla^itosporfe, Valsa. 



3. Valsa macrocarpa Ell. et£v. Buil. Torr. Bot. Cl. 1897, p. 280, — 18I7 

 Peritlieciis ovato-globosis, circitwr '/^ mm. diam., lb-30 in stro- 

 mate corticali associatis, e rautua pressione subangulosis ; ostiolis 

 erumpentibus, nigris, apice rotandatis, domum applanatis ac um- 

 bilicatis; disco diiute brunneo; ascis clavato-cyiindraceis. p. sp. 

 23-30 ss* 5-G; sporidiis distichis, allantoideis. valde curvatis. hyalinis, 

 6-7^17,-17,. 



Hah. in ramis emortuis Quercus raacrcoarpse, Kansas 

 Amer. bor. (Baetholomew). 



4. Valsa Ceitidls EIl. et Ev. Buil. Torr. Bot 01. 1897, p. 133. — 18I8 

 — Stromatibus corticalibus, junioribus inulticeliularibus ^t orbicu- 

 laribus; peritheciis circinatis, matrif"^ iramutata corticis interioris 

 immersis, ovatis, dense celluloso-et membranaceo-tnnicatis, circiter 



7^ mm. diam., in collum convergens contractis; ostiolib in discum 

 nigrum erumpentem unitis: ascis oblongo-lanceolatis, 40-50 « 13-15; 

 sporidiis distichis, oblongis v. oblongo-ellipticis, lenissime curvulis, 

 14-18 V 5-6, utrinquo rotundatis v. obtusls; spermatiis allantoideis, 

 liyalinis. 5-G«i'7 in cirros subnigros crassos ceraceos protrusis. 

 nah. in ramis emortuis Celtjdis occidentalis, Kansas 

 Amer. bor. (Baktholomew), 



5. Valsa brevls Peck, BuU. Torr. Bot. Club. 1895, p. 210. ~ Stro- 1819 

 matibus numerosis, prominentibus ; peritbeciis 10-20 v. pluribus 



in quoque stromate, in cortice interiore nidulantibus; ostiolis ui- 

 gris, emergentibus, discum orbicularem v. ellipticum, erumpentem, 

 subpulverulentum aspergentibus v. obliterantibus ; ascis 21-26 p. 

 longis; sporidiis allantoideis, G^^-^Y^ u., longis. 



Hdb. in cortice Abietis balsameae, Labrador CWaghorne). 



6. Valsa acericola Ottb, Bern. Mitth. 1870 p. 98. — Pustulis gre- i«2o 

 gariis pulvinatis ambitu leniter colliculosis ; peritbeciis stromate 

 corticali immersis, circinantibus et subdecurabentibus ; collis con- 

 vergentibus, ostiolis incrassatis prominentibus arcte congestis et 

 discum totaliter ohliterantibus; ascis elorgato-ellipsoideis aut sub- 

 fusiformibus, octosporis; sporidiis distichis elongato-ellipsoideis, cur- 

 vulfs, obtusis, 16-26 V 3-4, flavidis. 



Hah. m ramis Aceris Pseudoplatani pr. Bernam in Hel- 

 vetia, socia Cjitosjpora 



Valsa Melanodtscus Ottli, Bern. Mittbeil. 1870, p. 97. — Pustulis jg^i 

 corticolis pulvii)atit<, ambitu aliquar.tuium colliculosis ; stromate 

 minuto fulvo e matrice forraato; peritlieciis congregatis, membra- 

 naceis, globoso-subdepreBsii, eollis convergentibus, ostiolis in disco 



