216 Hymenomyceteae, Hydno?c, Kneiffla. 



Hab. ad lignum raucidum betulinum prope Mustiala Fennise. 



ODONTIA Pers. - Syll. VI, p. 507. 



1. Odontia tenerrima Wettst. in Bot. Centr. 18S8, n. 38, p. 354. — 8G7 

 Hyrnenio e fibris tenerrlmis contexto, superficicm substrati mem- 

 brana teouissima indefinite marginata, effusa, ochracea obtegente; 

 mycelio sterili eadem forma coloreque, parum evoluto, ex hyphls 

 ramosissirais tenuiter raembranaceis, semper liberis vel anastomo- 

 santibus vel numquam pseudo-parenchyma formantibus composito, 

 ramos breves pluriraos sporiferos edente,* basidiis tetrasporis, sub- 

 clavatis, nonnumquam in aculeos compositis ; sporis globosis, palli- 



de ochraceis, longe setosis, membrana crassiuscula, eguttatis vel 

 1-guttatis 8-10 diara. 



Hab, ad lignum quercinum putridum, Zimmermann. — Mem- 

 brana 15-30 cm. long. et lat., 0,2-0,5 ram. crass. 



2. Odontia livida Bres. in N. G. Bot. Ital. 1891, p. 158. — Latissi- S68 

 me eflfusa, iodeterrainata, crustaceo-membranacea, arcte adnata, 

 albida, mox livido-fuscescens, siccitate rimosa, ambitii pruinoso, 

 albo, verrucis granuliformibus, pUis minusve elongatis, confertisque, 

 concoloribus, apice hyalino-fimbriatis; sporis hyalinis, obovatis, 

 6-8 iJ 4,5-5; basidiis clavatis 30-35^=6-7. 



Uab. ad ligtia mucida Lauri nobilis (?), Firenze alle Cascine 

 (U. Martell:}. 



KNEIFFIA Fr. — Syll. VI, p. 510. 



1. Kneiffia irpicoides Karst. Finl. Basidsv. p. 368. — Receptaculis ?69 

 vage efi^usis vel orbicularibus, indeterminatis, tomentosis, crnsta- 

 ceo-adnatis, ambitu similari, albidis vel pallidis, siccitate ferrugi- 

 nascenti-flavidis; verrucis confertissimis, saepe concrescentibus, vul- 



go complanatis, aculei- vel dentiformibus, acutatis, apice setulis 

 (cystidiis) sparsis vel s^epius fasciculatis strigoso-exasperatis; spo- 

 ris sphseroideis vel subsph<eroideis, 4-5^3-4 vel 3 u.. diam.; cy- 

 stidiis cylindraceis, filiformibus, hyalinis, inarticulatis, saepe fasci- 

 culatim conjunctis, nudis, 6-7 [x. crass. 



Hab. supra corticem, raro lignum, Betulao, Sorbi et Alni Fen- 

 nia^. austr. 



2. Kneiffia subtilis Karst. Tledw. 1886, fasc. IV. — Latissime effusa, 870 

 indeterminata, flocculoso-furfuracea, crustoso-adnata, tenerriraa, 

 albido- vel ligneo-pallens aut cinerescens, ambitu similari, setulis 



