904 Hymenomycetffi, Tremelli bb, tMatygloea 



media inter Septobasidiiim et Ilelicnbasidium. I Labitu et consisten- 

 tia membranacea Septohasidium refert, sed basidiis primitus non 

 ovoideis ad Helicohasidium vcrgit. De cetero forsan nota generica 

 vere differentialis inter duo ista genera nondum satis elucet. 



2. Septobasidium Mariani Bres. in Sacc. Notae Mycol. III in Syd. 718 

 Ann. Mycol. 1903, n. 1. p. 24, IL/pochnus Michelianus Cald. var. . 

 quercinus Sacc. olim. — Resupinatum, longc lateque effusum, con- 

 textu spongioso-molli, fusco-tabacino, ex hyphis fasciculatis, ere- 

 ctis, sub micr. fulvis, 4-4 '/., ;j.. crassis, confiato; hymenio mem- 

 branaceo, levi, pallide umbrino vel subspadiceo, margine fibroso- 

 strigoso; basidiis ex obovato cylindraceis, erectis vel subcurvulis, 

 3-septatis, 30-40 » 4 '/ 2 -5 ; sporis cylindraceo-subclavatis, curvulis, 

 hyalinis, demum 1-septatis, 13-18 » 3 '/ 2 -5. 



Ilah. in truncis vivis junioribus adhuc levigatis Quercus ,pe- 

 dunculatae, Montello (Treviso) 1870 (Saccardoi; in ramis vivis 

 Piri communis, quam valde vexat, Miane (Treviso) 1902 (Ab. 

 P. Canello); in ramis Piri et Crataegi in silva Cisterna prope 

 Romam (Mariani). 



3. Septobasidium paulense P. Henn. F. S. Paulens II, p. 197 (Hedw. 71 1 

 1904). — Resupinato-effusum, cinereum , pruinosum, contextu 

 molle coriaceum, floccosum; hyphis ramosis, septatis, 3-4 ;j.. crassis, 

 saepe cirratis, fuscidulis; sporis subglobosis v. ovoideis. 13-18 <)... 

 epispprio subfuscidulo. 



Hah. ad ramos arborum, Alto da Serra S. Paulo Brasiliae. — 

 Sept. velutino affine. 



PLATYGLCA Schroet. — Syll. VI p. 771. XI p. 146, XIV p. 247, 

 XVI p. 216. 



1. Platyglcea miedzyrzecensis Bres. Fungi Polonici in Ann. Mycol. 715 

 1903, p. 113, t. III, flg. 3. — Pulvinata; pulvinulis gelatinosis, 

 gregariis, subrotundatis vel oblongis, levibus vel demum rugoso- 

 cerebriformibus, albis, 2-4 mm. diam. aut 2-4 « 1 '/ 2 -3 mm. in sicco 

 collapsis et fuscescentibus ; contextu ex hyphis intricatis. laxe septa- 

 tis, ad septa interdum nodosis, 12/, ;j.. crassis, ramosis, apice basi- 

 diophoris, conilato ; basidiis cylmdraceis vel subclavatis, rectis vel 

 subarcuatis, 75-200^4-6, 3-5-septatis ; sterigmatibus 50-60^4, 

 a]tice ventricoso-cuspidatis; sporis hyalinis, obovatis, apiculatis, 10- 

 13 ^ 7-9, lateraliter germinantibus ; conidiis subglobosis, 4-5 » ^ 1 /,-^. 

 Hab. ad corticem Ulmi, in Polonia. 



2 Platygloea nigricans Schrot. — Syll. VI ]>. 771. — JLuc, teste v. :ie 



