SpliEeropsidacefe, Sphferioidacefe, Etyalosporse, Cytospora. 917 



300 [x. diam., apice erumpentibus, ostiolo miniito, rotimdo, aimulo 

 albo circumdato, loculis obsoletis; sporulis aliantoideis, 4-5^^1'/^; 

 basidiis fasciculatis, 12 «^ l y^, supra ramosis. 



Hab. in cortice emortuo Fraxini Americanfe. S. Dakota 

 Amer. bor. 



19. Cytospora opulina Allesch Ber. Bayr. Bot. Gbs. lY, 1S96, p. 34. 3535 

 — Stromatibus subcutaneis, subpulvinatis, pluriiocularibus, 0,5-0,7 

 mm. latis, disco erumpente, griseo-albido, circulari, ostioio centra- 



li, nigro, vix prominente; sporulis cylindraceis, utrinque obtusis, 

 leniter' curvulis, hyalinis, 6-7 ^:* 1-1 V^ ; basidiis .simpHcibus, acicu- 

 laribus, dense csespitosis, hyalinis, 30-45 v 1 '/^. 



Hab. in ramulis emortuis Yiburni Opuli Miinchen, Bava- 

 ria, socia. Valsd opulind cujus status spermogonicus' probabili- 

 ter est. 



20. Cytospora Elsagni Aliesch. Hedw. 1897, p. (162). — Stroma- 3537 

 tibus' subcutaiieo-erumpentibus, extus nigris, intus griseis, ostiolo 

 unico prominulo ; peritheciis vel loculis in basi stromatis radiatim 

 dispositis, minutissimis ; basidiis caespitosis, basi ramosis, brevibus, 

 filiformibus, continais, ca. 15-20 v 1 ; sporulis cylindricis, continuis, 

 utrinque obtusis, rectis v. leniter curvutis, ca. 7-8 ^ 1, hyalinis. 



Hah. in ramuHs Gorticatis Elseagni a hg us ti f o 1 i i pr. Be- 

 roHnufn Grermanias (Sydow). 



21. Cytospora subclypeata Sacc. Malpighia 189G, p. 273, tab. YI, 3538 

 fig. 1. — ■ Stromatibus sparsis, pustulatis, '/,-V^ mm. diam., tumi- 

 duHs, epidermide atrata nitida velatis, intus insequaliter pluri-lo- 

 Gulatis, griseis, disco minuto griseo; basidiis verticiilato-ramo.s'is, 



25 « 1, ramuUs acutis; sporuHs allantoideis, curvis, 4-5*^1. 



Hdb. in rg^muHs emortuia Rhododendri dahurici in Si- 

 biria. — Similis C. ch/peatce. 



25. Cytospora Sassafras EU. et Ev. Fieid Columb. Mus. IX, 1896, 3539 

 p. 112. — Stromatibus dense sparsis, conicis, baei orbicularibusf 1 

 mm. diam., apice atro, nitido. erumpente, primo multilocularibus, 

 dein unilocularibus; sporulit?! allantoideis, hyalinis, leniter curvuHs, 4- 



5 i^ 1 ; basidiis simpHcibus, 12 fj. longis. erectis. 



7Za6. in ramulis igne necatig Sassafras officinalis, Jamai- 

 ca, Long Island Amer. bor. (Stewart). 



26. Cytospora Maclura Ell. ©t BarMi. Erytliea 1897, p. 48. — Stro- si4o 

 matibns subcutilaribus, irregulariter sparsis v. interfhmi subcon- 

 tliieiitibus, J -L Vi mm. diara., convexis, coriico immutato immor- 



sis, 4-^ cellulanbus; osiiolis atris, nitidis, eJ'umpontihn.~\ -ov.Ti/^^i-: 



