300 Sphaeriacere, Phoeosporoe, Aiithostoma. 



pra^sertiin in superficie, ut videtur (fungi stromate), exalbescente 

 ac tubercula sistente ininuta orbicularia elevata albida, haud raro 

 confluenlia, perithecioruin ostiolis pulchre nigropunctata; perithe- 

 ciis in tuberculo (stroinate) nunc singularibus nunc contra grega- 

 tim sociatis, globosis, confertis, 2-6, plerumque seriatim ordinatis, 

 minutis, v. depressis, mati-ici oinnino immersis, coUo brevi, pro 

 ratione crassiusculo, ostiolo aterrimo, ininuto, hemispha^rico, in- 

 tegro, poro tandem pertuso, parum v. vix exserto; ascis cylindri- 

 cis, breviter basim versus attenuatis, octosporis, parapiiysibus fi- 

 liformibus, tenuissimis, simplicibus stipatis, 100:;:; 10; sporidiis obli- 

 que moiiostichis, late ovalibus, rectis, utrinque rotundatis, obtusis- 

 simis, rarius acutiusculis, fuscis, 18-22^10-14. 



Hab. in ligiio putrescente Crataigi, Ulmi, Piiii in Suecia, 

 Gerinania, Gallia et Britannia. 



23. Anthostoma syciospermum (l)ur. et Mont.) Sacc. Sph. syciosper- ni'» 

 ma Dur. et Mont. Syll. Crypt. n. 838, et Fl. Alg. p. 519. — Sub- 

 globosum, erumpens, uniloculare, stromate ligneo extus aterrimo 

 tectum; perithecio simplici sphierico, membranaceo, nigro-farcto, eva- 

 cuato fulvo, ostiolo nullo; ascis clavato-cylindricis, sporidia oblon- 

 go-attenuata, peponis seminibus simillima, brunnea, opaca, 25^:15 

 foventibus. 



Hab. in ramulo Quercus cocciferce, Alger (Dtjrieu). 



24. Anthostoma sustentum (Plow.) Sacc. Sph. sustenia Plowr. Calif. 1120 

 Sphier. Grevill. VII, p. 73. — • Peritheciis immersis; ostiolis inter 

 fibras dealbatas matricis erumpentibus; ascis cylindraceis, 150 s 10- 



15; sporidiis ovoideis, atrofuscis deih nigricantibus, 20-25 s 10-11. 

 Hab. in ramis dealbatis Arctostaphyli in California. — Stro- 

 ma minus manifestum, ligni fibras dealbans. 



25. Anthostoma Oxyacanthae (Mont.) Sacc. Sph. Oxjjacanihce Mont. n^i 

 Syll. Crypt. n. 830 et in Cast. Supplem , p. 48. — Obtectura; peri- 

 theciis sphaericis in ligno albescente semiimmersis confertis, extus 

 intusque nigris opacis, ostiolo conico-acuminato; sporidiis ellipticis 

 continuis brunneis, a latere visis cofi^eaiformibus. 



Hab, in ramis Crataegi Oxyacantha? in Gallia australi 

 (('astagnr). 

 20. Anthostoma Xylostei (Pers.) Sacc. F. ital. t. 162. Sph. Xylostei 1122 

 Pers. Disp. p. 1. A/uph. Xylostei Pers. De Not. Sfer. ital. p. 71, 

 t. LXXIV. — Peritlieciis sparsis vel adproximatis seriatis, ligno 

 V, cortice insculptis, peridermio nigrificato tectis, dein emergenti- 

 bus. sphaeroideis, ostiolis conoideis, apice subtruncatis, prominulis, 



I 



