350 Sphneriacere, PhsBOsporoB, Ustulina. 



e sclerotio exsiirpentibiis, graciliijus, atris, coriaceo-tenacibus, 1-3 

 cent. long., 0,5-1,5 niill. cr., longiusculis, apice abrupte in stro- 

 raata perithecigera dilatato-capitatis ; stromatibus cupulato-patel- 

 laribus, applanatis. v. (in juvontute) subconvexis, superne albis, 

 atque ostioloruni apicibus, laxe scabre atro-punctatis, 2-6 raill. d., 

 margine integro, rotundato, crassiusculo, inferne sordide fusco-ru- 

 fescentibus; peritheciis carne alba stromatis profundiuscule immer- 

 sis, atris, gloljosis v. subelliiiticis sursum in ostiolum longiusculum 

 superficiem attingens ac prominulum desinentibus, Yj-V^ n^ill- <^liii'"M 

 ascis cylindraceis, abrupte breve stipitatis, 150-160 s; 15-25, para- 

 physatis, octosporis; sporidiis monostichis v. subdistichis, ellipsoi- 

 deis V. subrhomboideis, 28^:13-14, fulvo-fuligineis, 1-guttatis, 

 niuco hyalino obductis. In juventute stromata pruinula albo-car- 

 nea, conidiifera obtecta, ex hyphis repentibus crebre ramosis ac 

 toruloso-septatis, hinc inde inordinate in superflciem ramulorum 

 papillosis, ac conidia globosa, hyalina, 3-4,5 a. diara-, gerentibus 

 composita. 



Hab. in fimo equino vetusto in ollis plantarum en el patio 

 del seilor Coni, Buenos Aires, Argent. Amer. austr. — Por. LtJdi- 

 podi valde affinis. 



6. Poronia scutellata Fr. S. V. Scand. p. 382, Lichen-Agaricus scic- 1326 

 (aliis albus Mich. Nov. pl. geu. p. 105, t. 54, II, f. 3. 



Hab. in agris prope Telamonem Etruriae et in Scandinavia. — 

 Sessilis, tota alba, disciforrais, ostiolis majusculis nigris punctata. 



T. ?Poronia cupuiaris (Fr.) Rabh. Deutsch. Crypt. Fl. I, 824. Sph. cu- 1327. 

 pularis Fr. Linna^a 1830, p. p. 530, Sph.pallida Willd. — Stromate 

 carnoso, cupulari, raarginato, luteo, extus villoso, disco depresso; 

 peritheciis periphericis tecto. 



Hab. ad ligna putrida agri berol. (Willdenow.). — Sec. Nits. 

 Pyr. Germ. p. 21 ad Pyrenomycetes non pertinet. 



USTULINA Tul. Sel. Fung. Carp. II, p. 23 (Etym. ustulatus, ob^stro- 

 ma veluti deustum). — Stroma superficiale, suboff"usum, crassis- 

 simum, determinatum, primo suberinum, hymenio conidifero, con- 

 creto undique vestitum ejusque conidiis pulverulentum, albido-ci- 

 nerascens, deinde rigidum, carbonaceum, atrum, nudum, intus de- 

 nique Sfcpius subvacuum. Perithecia immersa, magna, cornea, ostio- 

 lis papillaMbrmibus. Asci pedicellati, octospori, paraphysibus obval- 

 lati. Sporidia ovoideo-fusiforraia, continua, fuliginea. — Genus gegre 



