651 Pyrenomycetse, Sphaeriacese, Hyalodldyma, Didymella, 



culatis, eonstrictulo-1-septatis, 14-17 « 4-5 cx hyalino dilute fuscellis, 

 cellula superiori subincle paullo incrassata. 



lldb. in ramis siccis Rubi cavsii, Luxomburg. — A Didymo- 

 sphnjria Idtvi sporidiis subhyalinis, apiculatis mox differt. 



4. Didymella Ricini Ell. et Ev. — Syll. XIV, p. 535. — f. Ailanthi 2218 

 Ell. et Ev. in Jour. of Mycol. 1902, p. 07. — Ascis 45-50*10- 

 12; sporidiis oblongo-ellipticis, obtusis, luteo-hyalinis, curvulis 

 12-15 « 5-6. 



Hab. in ramulis emortuis Ailanthi g landul osae, Alabama 

 Amer. bor. — f. Mucunae Ell. ot Ev. 1. c. — Ascis 40-45*8-10; 

 sporidiis oblougo-fusoidcis, curvatis 12-15*4-5,5 uniseptatis. — 

 In caulibus Mucunae utilis 1. c. — f. Hibisci Ell. et Ev. 1. c: 

 Ascis 50 «10; sporidiis curvatis, luteolis 12-15 » 4-4,5, 2-3-guttu- 

 latis. — In Hibisco esculento ibidem. 



5. Didymella cladophila (Niessl) Sacc. — Syll. I, pag. 545. — var. 2219 

 buxicola Feltg. Vorstud. Pilz. Luxemb. Nachtr. III, 1903, p. 251. 



— A typo differt peritheciis brunneis, nec nigris, ssepe in acer- 

 vulos confertis erumpentibusque; ascis minoribus, 55-75*6-8, 

 soepe 6-sporis et sporidiis oblongo-ellipsoideis 12-13,5 * 4. 



Hab. in ramis corticatis, siccis Buxi semper virentis, Lu- 

 xemburg. 



6. Didymella sambucina Feltg. Vorstud. Pilz. Luxemb. Nachtr. III, 2220 

 1903, p. 252. — Peritheciis gregariis, epidermide omnino tectis, 

 globosis vel basi subapplanatis, nigris 400-500 a. diam., verru- 

 ciformi - papillatis; ascis clavatis, superne rotundatis, deorsum 

 tenuatis, subsessilibus 55-68 * 10-15, octosporis; sporidiis inordinate 

 distichis vel inferne monostichis, oblongo-ellipsoideis, utrinque 

 acutulis, rectis vel curvulis, continuis, dein 1-septatis, non con- 

 strictis, sajpius biguttulatis, hyalinis 10-10*5-0. 



Ilab. in ramulis corticatis Sambuci nigrae, Luxemburg. — 

 Paraphyses non observatse: an orgo Didymellce species genuina? 



7. Didymella Cymbalariae Feltg. Vorstud. Pilz. Luxemburg. Nachtr. 2221 

 III, 1903, p. 250. — Perithociis sparsis vel gregariis, epidermide 

 velatis, globosis, basi applanatis, nigris, 100-200 ;j.. diam., ostiolo 

 minuto, conoideo-emergente ; ascis cylindraceis, breve stipitatis, 

 octosporis 63-72 * 5,5-7; sporidiis monostichis, ellipsoideis v. ovoi- 

 deis, modio constrictulo-1-soptatis, hvaliuis, minute guttulatis, 1 1 - 

 13*4,5 cellula superiore paullo crassiore. 



Hab.m caulibus siccis Linarise Cymbalariae, Luxemburg. 



8. Didymella Quercus Oud. in Ned. Kruidk. Arch. 3 sor. II, 4, p. 869, 2222 



