Sphaeriacese, Hyalosporae, Trabutia. 449 



Sporidia continua, hyalina, oblongo-lanceolata, in caudaiu longe 

 attenuata. 

 1. Urospora CocciferaB H. Fab. Spher. Vaucl. pag. 75, fig. 1. — Pe- 1732 

 ritheciis sparsis, punctiformibus, minimis, globosis, atris, iu cortice 

 nidulantibus et epidermidem pustulatim inflantibus, ostiolo erum- 

 pente, papillato; ascis cjlindraceo-clavatis, breve et crasse stipita- 

 tis, 8-sporis, 50-55:^6-8; sporidiis distichis, hyalinis, plurigutta- 

 tis, oblongo-lanceolatis, antice acuminatis, postice in setam vel cau- 

 dam hyalinam multo longiorem productis, 10-15 ^ 3-4 (absque seta). 

 ifa^. ad ramulos emortuos Quercus cocciferae prope Oran- 

 ge, Vaucluse Galliae. 



TRABUTIA Sacc. et Roum. Rev. Mycol. 1881, p. 27, t XIV, fig. 2. 

 (Etym. a cl. Doct. L. Trabut, Florse Algeriensis indagatore). — 

 Stroraa phyllogenum, atrum, radioso-asteromatoides, applanatura. 

 Perithecia stromati adnata, discreta protuberantia, ostiolo pertusa. 

 Asci octospori, obsolete paraphysati, facile fluxiles. Sporidia ovoi- 

 deo-oblonga, continua, subhyalina. Genus habitu Phf/llachorce vel 

 Rhi/tmnatis, sed characteribus HypospilcB magis affine, ideoque 

 Pyrenomycetibus sphferiaceis genuinis adscribendura. 



1. Trabutia quercina (Fr. et Rud.) Sacc. et R. Rhijtisma quercinum 1733 

 Fr. et Rud. in Linnaea (1830), Asteroma parmelioicles Desra. (1847). 

 Rhytisma riccioides Let. Ghamp. Bull. t. 629, fig. 4 (1831). Sphce- 

 ropsis riccioides Lev. A. S. N. 1848, IX, 257. — Peritheciis he- 

 misphaericis, subcarbonaceis, atronitentibus, ostiolo rotundo minu- 



to pertusis, denique collabascendo umbilicatis v. subplicatis; nun- 

 quam vero disco aperta ut in Rhyiismate ; ascis cylindraceo-cla- 

 vatis, 100-1 10 i; 18, paraphysibus vagis obvallatis, tunica apice in- 

 tegra praeditis, breve stipitatis mox resorptis; sporidiis distichis, 

 oblongo-navicularibus utrinque obtusiusculis, 28-30 s; 8-10, granu- 

 losis e hyalino pallidissirae melleis. 



Hab. in pag. sup. foliorum Quercus Ilicis in Gallia. Italia, 

 Germania, Algeria, Q. laurifolise. Florida Amer. bor. — Var. 

 Terraciani Erb. cr. ital. II. n. 646 ; sporidiis utrinque paulo acu- 

 tioribus (ascis' vero similibus). In foliis Quercus sessilifloras 

 V. affinis in Italia meridionali. 



2. Trabutia? cayennensis (DC.) Sacc. Xyloma cayennense DC. Mera. 1734 

 Mus. 11, p. 321, t. III, fig. 6. Sphceria Ca yannensis {DC.) Fr. S. 



M. II, 438, Linnsea 1830, «p. 546. — Innata, suborbicularis, con- 



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