664 Theluphorete, Exobasidiura. 



Spiloma roseum Raddi. — Effusus,- ainbitu,hyssiiio, saiiguineo-coc- 

 cineo; pellicula hymeniiia albo-pruinosa; sporaruin globulis flocco- 

 sis, roseis expalliiiisve. 



Hab. iu corticibus Mag.TolicC etc. in Brasiiia, Suriuam, Vene- 

 zuela, America boreali, iiis, Cuba, Australia. 



EXOBASIDIUM Woron. in Verhandl. Nat. Ges. Freib. IV, fasc. IV 

 (1807). [Etym. e.vo extus et basiclium]. — Fungus effusus, incru- 

 stans, ceraceus, tenuis, typice biogenus et vegetabilium partes, qui- 

 bus innascitur, defortnans. Basidia stipata, tereti-clavulata, apice 

 4-spora. Sporse ovato-oblongae, ssepe insequilaterales, continuif, 

 hyalinfe. — Est quasi Corticium biogenum, deformans. Nonnullse 

 species parum distinotse et verisimiliter merae forrafe. Ci. Schroter 

 prope Exobasidium locat genus Microstroma hucusque Hyphomy- 

 cetibus relatum. Cfr. Syli. IV, p. 9. 



1. Exobasidium Vaccinii (Fuck.) Woron. in Nat. Ges. z. Freib. B. IV. ^m 

 Heft. IV, Sorauer Pflanzenkr. 2 ed. II, p. 257, f. 11-13, Fusidium 

 Vaccinii Fuck. Fung. rlien. 221. — Innatum, eft'asum, forma va- 

 rium, vulgo orbiculare vei oblongatum, sajpe confluens, carnosum; 

 hyraeiiio in pagina folii inferiore vel in caulibus protrudente, iii- 

 carnato, albo-pulveruiento; sporis fusoideo-elongatis, hyaiinis, re- 

 ctis, 5-8=; 1-2. 



Hab. in foliis, rarius petiolis caulibusque, vivis Vaccinii Myr- 

 tiiii et Vit. idaja^ in Fennia certe tota obviura, in Itaiia bor., Au- 

 stria et in silvis prope fluvium Inja Sibirife asiaticaj. In pagina 

 folii quoque superiori in conspectum veniens ibique maculas ru- 

 bras vel purpureas formans. Forma macrior lecta est circa Mu- 

 stiala in Vaccinio uliginoso, Andromeda polifolia et Arctostaphjio 

 Uva-ursi. 



2. ExobasidiuiTi Ledi Karst. in Grevillea 1878, n. 42, p. 05. — Re- 7790 

 ceptaculo efl^uso, parenchymau foiiorum innato, in pagina supe- 

 riori raaculam flavescenti-pallidara efficiente, in inferiori liymeninm 

 flavescens, albo-pulverulentum explicante, orbiculare, ellipsoideum 



V. oblongatum, sparsum, raro confluens, latit. 1-4 inm.: sporis fusoi- 

 deo-elongatis, rectis. 4-6 s 1 circiter. 



Hab. in foliis Ledi palustris pr. Mus'iala in Fennia m. julio. 7797 



3. Exobasidium Rhododendri Ciamer in Rabh. Fung. Lur. n. 1910. 

 Gard. Chron. 1879, p. 119, 182, Hartig Baumkr. p. 76, fig. .31. 

 — Nodulns gaiiffiformes sistens nitide rubescentes; sporis cylindri- 

 cis. 8 fj. iong. 



