66 K-A. SACCARDO. 



*D. padina Sacc. subsp. nov. (Tab. V, fig. &). A typo recedit 

 prœsertim sporidis paullo majoribus et oblusioribus. 



Hab. — In rarais Pruni Padi pr. Rigny Galliœ (Flageolet). Perl- 

 theciaoblusa, vix 0,5 mm. diam. nigra,subcutaneo-erumpentia.Spo- 

 ridiafuliginea, monosticha, elliptico-fusoidea, obtusiuscula, 24-26x 

 9-Hft, ad septum non vel vix constricta - asci 140x12. 



VIII. Massarina eburnella Sacc. sp. nov. (Tab V, fig. 9). 

 Peritheciis gregariis, globulosis, epidermide tumidula atrata tectis, 

 vix papillatis, 0,7 mm. diam. ; ascis tereti-clavatis brève stipitatis, 

 apice rotundatis, 180x18-19, octosporis, parce spurie paraphysatis; 

 sporidiis distichis brève fusoideis, redis v. curvulis, cuboïdeo-4- 

 nucleatis, demum 3-septatis, non constrictis, 26x9,strato-hyalino, 

 mucoso obduetis (cum muco 30x14). 



Hab. — In ramulis tenellis Carpini Beluli, Rigny Galliae. A 

 Massarina eburnea prœsertim peritheciis sporidiisque crassioribus 

 recedit. 



IX. Leptosphœria curta Sacc. et Flag. sp. nov. (Tab. V, fig. 

 8). Peritheciis subcutaneis vix erumpentibus, hinc indè approxi- 

 matis, 1/4 mm. diam. subgriseis, globosis vix papillatis ; ascis 

 clavatis, brève crasse stipilatis, 50-60x"-8^, parce paraphysatis, 

 8-sporis ; sporidiis distichis fusoideis, redis curvulisve, 3-septa- 

 tis, ad septa prœsertim médium constrictis, 15x4p, 4-guttatis, fuli- 

 gineo-olivaceis. 



Hab.— In ramis emortuis Rhois lyphinœ, Rigny Galliae (Flag.) 

 Videretur Lept. Coniothyrium ascis curtis, sporidiisque distichis. 

 A Clypeosphxria Hendersonia recedit defectu macula? stromaticae, 

 sporidis pallidioribus. 



X. Thyridaria rigniacensis Sacc. et FI. sp. nov. (Tab. V, fig. 

 7). Peritheciis hinc inde pluribus confertis, peridermio atrato 

 tectis lignoque ssepe nigrificato impositis, globosis, atris, 0,5 mm. 

 diam. ostiolo papillato erumpente ; ascis clavatis, apice, rotundatis 

 90x8-9;/. p. sp. in stipitem 40-45/* longum attenuatis, filiformi-para- 

 physatis, 8-sporis, non constrictis, 4-guttatis, olivaceis, 12-14X 

 4-5^. 



Hab. - In ramis emortuis Ulicis Europœi, Rigny Galliae. Affinis 

 Thyridariœ eulypoidi sed asci longissimè stipitati, etc. 



Vialsea Sacc. nov. gen. (Etym. a Pelro Viala, eximio Vitis mor- 

 borum monographo atque mycologo). 



