Sphseriacese, Phaeosporse, Hypoxylon. 371 



sum coiifiiiens, ostiolis annulo depresso circumdatis, stromate ni- 

 gerrimo. 



Hab. \{\ truncis quercinis et populinis in Carolina, Am. 

 boreali. — Globosum 20 raill. diam. subinde lateraliter confluens. 

 Ostiola fere H. marginaii. 



81. Hypoxylon marginatum (Schw.) Berk. Cuban Fungi n. 830, Sph. '^^^^ 

 marginata Schw. Syn. Amer. bor. n. 1176. — Hemisphaericum, con- 

 fluens, donique nigrum, intus concolor, ostiolis singulis in areola di- 

 sciformi marginata sitis; ascis cylindraceis, breve stipitatis, octo- 

 sporis; sporidiis subreniforraibus, sajpe 2-nucleatis, 6-9 a. longis, 

 pallide fuligineis. 



Hab. in cortice et ligno denudato in Britannia, Ceylon, Cuba, 

 Borneo, Amer. bor., Venezuela, Africa occid. prsecipue in Q u e r - 

 cu, Myrica, etc. — Sph. marginata Fr. Elench. fung. II, 69, 

 ni fallor, ad Nummulariam discreta?n est referenda. — Adest 

 forma effusa. 



82. Hypoxylon microstictum Mont. Syll. Crypt. n. 741, Cent. II, n. 50, 1415 

 sub Sphceria, 1. c, p. 358. — Krumpens, orbiculare vel oblongum, 

 applanatum, punctis minutissimis exasperatum, extus albo-pruino- 

 sura, intus nigruni ; peritheciis ovoideis raembranaceis, immerso-la- 

 tentibus, ostiolis papillatis, papilla marginata; ascis linearibus spo- 

 ridia cyrabiforraia utroque fine acurainata, hinc caudata, quater- 



na foventibus. 



Hab. ad cortices dejectos in sylvis Sinnamariensibus (Leprieur). 

 — An Nummularia? 



83. Hypoxylon culmorum Cooke in Rav. Fungi Amer. in Grevill. VII, 1416 

 p. 51. — Parvura, convexum, ellipsoideura, atrum, nitidum; ostiolo 

 papilliformi ; ascis cylindraceis; sporidiis navicularibus, curvulis, 

 nucleatis, brunneis, 15-18^:5. 



Hab. in culrais Arundinaria% Darien, Georgia Amer. bor. 



84. Hypoxylon microsporum Ces. Myc. Born. p. 17. — Pulvinulis ni- 1417 

 gris, opacis, late effusis, minutis 3-4 raill. latis, rarius confluenti- 

 bus, orbicularibus, depressis, peritheciis 10-20 rainutis nisi ostiolis 

 punctiformibus emergentibus; ascis linearibus 50 v.. longis ; spori- 

 diis monostichis, ovoideis opacis, 6-7 ^ 3. 



Hab. ad Sarawak, Borneo, ad lignum nudura durum. 



85. Hypoxylon mauritanicum Dur. et Mont., Fl. Alg., I, p. 45, sub i^is 

 Sphceria, Mont. Syll. Crypt. n. 718. — Tuberculis in crustam cras- 

 sam raargiue repandani subtus productam tandem fusco-nigrican- 

 tem connatis; peritheciis peripbericis ovatis, stromati immersis, 



