^50 Pyreiioiiiycclote, Sphu;i ifeif.G;*, AIlaiito.sporu;, Valsa. 



bus p.iivi.s; peritlieciis 4-'") in quoqiio .stromate, iii cortici! iiitu- 

 rioro niiliilantibus, collis convergentibus atque discuin orbiculanjni, 

 ininutum, erumpeiitem, griseum ve! brunneura perforantibus; ostio- 

 lis punctiformibus, nigris; ascis clavatis, 50-60 y.. longis; sporidiis 

 allantoidei?, 10-12 (x. longis, hyalinis. 



Ilab. in ramis emortuis Fraxini americanaj et Aceris 

 rubri, Canada Amer. bor. (Ma.coun). 



3. Valsa leucostomoides Peck 38 Ftep. St. Mus. pag. 103. — Stro- 1862 

 matibus numerosis, minutis, epidermide, disco orbicularl, albo vol 

 griseo perforata, tectis; peritheciis 2-6 vel magis, in quoque stro- 

 mate; ostiolis punctiformibus, nigris; ascis clavatis vel subfusifor- 

 raibus, 40-50:^8,5-10; sporidiis stipatis, allantoideis, 12-15 :; 4-5, 

 liyalinis. 



Ilab. in ramis emortuis Aceris saccharini in montibus 

 Ilelderberg Amer. bor. — Valsa; leucostomce affinis. 



4 Valsa dlatrypoides Rehm Beitr. in Hedw. 1882, p. 117. — Stro- \m 

 raatibus, c. o mm. diam., e basi orbiculari convexo-protuberantibus 

 et in discum coron;e instar protractis; disco plaiio, rotundo, fusco- 

 albido, 1 mm. lat. ; peritheciis in singulo conceptacnlo 4-10, iru)- 

 nostichis, globosis; ostiolis minutissimis, punctiformibus, rotundis, 

 atris, discum nonnihil superantibus et orbiculariter ordinatis; ascis 

 teneris, clavatis, 8-sporis, 40^:6; sporidiis cylindricis, obtusis, sub- 

 curvalis, hyalinis, 9:^1,5, distichis. 



Hab. ad ramum siccum Alni incana} juxta ripam fluvii pr. 

 Augustam Vjndelicorurn seu Augsburg (Britzelmayr). — Forma 

 stromatis et sporidiorum diametrb a ceteris diversa species. 



5. Valsa dlatrypa Fr. — Syll. 1, p. 141. — Post k octosporis )> lin. 

 18 ad.Je: 80-10:^8-16; sporidiis distichis cylindraci3is, 



0. Valsa agnostlca Cooke et llarkness in Grevillea Xlll, p. 17. — 18G4 

 Erumpens, subrotunda, convexa; ccspitulis in cortice nidulaiitibus, 

 primo tectls, deraura disco suborbiculari nudo; peritheciis 8-12, 

 subglobosis, atris, in slromate pallido aggregatis; ostiolis brevi- 

 bus rectis, obtuso-rotundatis, nitidis; ascis subclavatis, octosporis ; 

 sporidiis allantoideis, rectis vol curyulis, biserialibus, hyalinis, 0- 



7c:l,5. 



Hah. iii ramis Ribis in California (Harkness). 

 7. Valsa minutella Pock in Torr. bot. Club. 18S4, p. 27. — Pustu- mh 

 lis miiiutis; |)eritheciis 6-20 in quaque pustula, coi-tice nidulanti- 

 bus nigris; ostiolis in discuin minutuin, subferrugineum, epidermide 

 rupta cinctum, erumpentibus, nigris; ascis brevibus, clavatis vd 



