676 Sphaeriaceae, Hyalodidyraae, Diaporthe. 



sis, y^ mill. diani,, atris, ostiolis brevissimis epidermidem iion su- 

 perantibus sed minute punctulantibus ; ascis crasse fusoideis, 45- 

 M) i; 12, 8sporis; sporidiis distichis, rarius oblique monostichis, fu- 

 snideis, utrinque obtusiusculis \2 ^ii^/^-b, constricto-tenuiter 1- 

 septatis, -1-guttulatis, hvalinis. 



Hab. in cortice ramulorum Fraxini Orni, Selva prope Tre- 

 viso, Italia» bor. — Cum Diap. scohina Nits. et Diap. coniro- 

 versa Nits. in Fraxino excelsiore quoque degentibus non 

 comparanda. 



232. D. Tetrastaga scobina Nits. Pyr. Germ. p. 293. — Stromate 25^4 

 latissime eflfuso ramosque plus minus longe ambiente, substrato 

 omnino immerso ejusque substantiam haud decolorante, strato solo 

 extimo, profunde in lignum penetrante nec non corticis iuterioris 

 superficie sensim nigricante; peritheciis parvulis, in cortice inte- 

 riore nidulantibus, ordine subaequali ac dense sparsis subgh^bosis 



V. paullo conipressis, haud raro 2-4, immo pluribus arctius stipatis, 

 tunc saipe angulosis, in coUum brevissimum abrupte attenuatis ; 

 ostiolis tenuissime cylindricis, basim versus vix incrassatis, mox 

 breviter tantum mox valde elongatis, rectis, obliquis v. decumben- 

 - tibus, singulatim v. 2-4 gregatim, tunc per majora peridermii fo- 

 ramina v. rimulas erumpentibus, ni:nc parum tantum v. vix ex- 

 sertis, nunc contra longe extantibus, piliformibus; ascis anguste 

 fusiformibus v. clavatis, octosporis, 51-60::i9; sporidiis subdisti- 

 chi?, oblongis, fusiformibus v. subcylindricis utrinque plus minus 

 obtusis, plerumque rectis, quadriguttatis, bi-cellularibus, medio 

 haud constrictis, subhyalinis, 11-12 s 4. 



Hab. m ramis eraortuis Fraxini excelsioris in Germania 

 et in Britannia. 



233. D. Tetrastaga controversa (Desm.) Fuck. Symb. rayc. App. 1. 2585 

 Spluvria cojitroversa Desm. 8 Not. 1841, p. 12 (p. p. Fraxino). 



— Circumscripta, stromate corticali raaculiformi, fusco-nigricante ; 

 peritheciis immersis, ostiolis erumpentibus prominulis; ascis ob- 

 longo-subclavatis, 56^:8; sporidis octonis biseriatis, hyalinis, fu- 

 sifornjibus, uniseptatis, non constrictis, 12 i; 4, 4-guttulatis, hyalinis. 

 Hab. in ramis exsiccatis Fraxini excelsioris in Gallia, 

 Belgio et '"'ermaiiia. 



234. D. Tetrastaga ciliaris (Curr.) Sacc. Sphceria ciliaris Curr. Micr. 2586 

 Journ. Vll. p. 2;J2, t. 11, fig. 15 et Cooke Handb. n. 2639. — Pe- 

 ritheciis subcutaneis, globulosis, minutis (supra Hebninihosporii 

 hyphas gerentibus), ostiolo papillato, perforante ; ascis clavulatis, 



