DiscoMiyceteto. Gvfniioascaceie, Kxonscus. 69 



EXOASCUS iMick. — Syll VIII. p. ^\C>. 



1. Exoascus Celtidis (SadHb.) Sacc. Taphriaa S.nlob. Krit. Uutor.s. 4731 

 p. 20. t. V (1890). — Maculis irregulai-ibus, brunncis, amphigoiiis, 



vix uitlatis 0,5-1 cm. lat.; ascis cylin<iraceis, obtusis, octosporis, 

 2r)-28 ^ 8-10; cellula basilari epidennidem uon intranie, valde lata, 

 S-10 ','.. aita, 25-30 a. lata; .sporidiis globosis 1-guttulatis, 3-li,5 

 u. diaai. 



Ilah. in foliis Celtidis australis, cui valde noxius, prope 

 Lugano. — I^xoasco Ulmi subafflnis. 



2. Exoascus /Emiliae Passer. F. N. IV. n. 35 CTun. 1890).— Maculis 4732 

 subdiscoideis variis, primo albido-griseis, dein exaridis, fuscis, tan- 

 dem circurascissis elabentibus; asois in macula plaoa hypophyllis, 

 sparsis vel subgregariis, tubulosis vel basira versus plus minus 

 angustatis, utrinqne rotundatis, cellula basilari non visa, 12-15 - 

 (5-7,5; sporidiis octonis, globosis, distichis v. conglobatis. hyalinis, 

 2,5-3 a. diani. 



Hah. \n foliis Coltidis australis, Vigheffio prope Parraa 

 Ital. bor. — ((Etsi cellulaj basilares non visae, species verisiiniilirae 

 eadem ac priipcedens ». 



3. Exoascus Alni-incanae Kuhn in liit. (ut var.), Taphrina Alni- 4733 

 incance (Kiihn) Sadeb. Krit. Unters. p. 17, t, IV, f. 1 «, et 1 b, 

 ExoaKcus alnilorquus Auct. (p. p. in amentis), Taphr. amp.nto- 

 rum Sad'^b. in Centralb. 188S, p. 349. — Ascis cellula basilari 

 carentibus, 40-45^:10, tereti-clavatis, 8-sporis; sporidiis subdisti- 

 chis. globosis, 5 [j.. cr. 



Hab. in amentis femineis Alni incanae in Germania etc. — 

 Plerumque colorem atro-rubrum araentis affert. — Asci nunc epi- 

 dermidi profunde immersi , nunc leviter. Ascomyces endogenus 

 Fisch Bot. Zeit. 1885, p. 33, t. I, verisirailiter est eadera species, 

 prieterviso raycelio. 



4. Exoascus Cerasi Fuck. Symb. p. 252 (ut var.) Exoascus et Ta- 4734 

 phrina dcformans Auct. (pr. p. in Ceraso), Taphrina Cerasi 

 (Fuck.) Sadeb. Krit. Unters. Taphr. pag. 26, t. IV, f. S. — Ascis 

 angustis 35-50^5-7, octosporis; cellula basilari 10-16^5; spori- 

 diis 3-5 y.. diam. 



Hab. in foliis Pruni Cerasi et P. avium, frequens. — E. 

 deformans (Berk.) Tul. typicus viget in Amygdalo Persica et 

 praebet ascos crassinres. 3>5-40 - 9-10, cellulas basilares 6-8 •/. 

 lat. et alt. 



