flymeuomycetge, ThelepboracesB, Jaapia. 541 



ruguloso-siibcerebriformi et substantiti ceraceo-cartilagiuea a Tremel- 

 las accedit. 

 23. Peniophora tenuissima Peck in N. Y. State Mus., Bull. 157 (1911) 2001 

 p. 30 et 114 (1912). — Tenuissima late effusa, indetermiuata, ad- 

 nata, siccitate levis vel leniter rimosa, subpruinosa, albida; sporis 

 ellipsoideis, 8*4; cystidiis subcyliudraceis vel conico-elongatis, 

 obtusis, 50-80 * 15-20. 



Hab. ad corticem Betulae luteae, North Elba, U. S. A., 

 Amer. boreali. 



Synon. sec, Cl, Bresadola in 1, c. 



Peniophora citrina P. Henn, = Septobasidium rhabarbarinum (Mont.) 



Bres. 



KNEIFFIA Fr. — Syll. VI p. 510, IX p. 216, XI p. 114, XIV p. 11 2002 

 et p. 210, XVII p. 176. 



Synon. sec. Cl. Ab. Bresadola in 1. c. 

 Kneiffia grisea Berk. et C. = Grammothele grisea Berk. et C, juvenilis 



JAAPIA Bresadola, Ann. Mycol. IX, 1911, p. 428 (Etym. a Cl. my- 

 cologo O, Jaap). — Fungus ex integro resupinatus, effusus, emar- 

 ginatus, flocculoso-pulverulentus, more Gorticiorum plurimum v. 

 Hypochnorum pallidiorum; sporae stramineae, subellipticae, hyalino 

 appendiculatae. 



Habitu ad Corticia flocculosa, sporis ad Goniophoras 

 accedit, a quibus sporis appendiculatis praecipue diversus. 



1. Jaapia argillacea Bresad. 1. c. p. 428. — Late eftusa, subflocculosa, 2003 

 ambitu similari v. pruinoso, luride argillacea, hymenium contiguum, 

 pruinatum ; sporae elliptico-subtunicatae, stramineae, protopla- 

 smate 3-4 guttulato, utriuqne hyalino-apj)endiculatae, 15-17 * 6-7, 

 appendiculis conicis 5 [>■ long., flaccidis, demum contractis v. plus 

 minus obliteratis ; basidia clavata, 45-60 v. ultra =5^ 7-9, 2-4 sterig- 

 matica ; sterigmata 6-9 p. longa ; hyphae contextus tenuiter tuni- 

 catae, flaccidae, septatae ad septa saepe nodosae. 



Hab. ad ligna mucida Triglitz i, d, Prignitz, Austriae (O. Jaap). — 

 Sporae similes nunquam inter Thelephoraceas , ideoque fungum 

 hunc ut novum genus considerandum, de cetero inter Gorticia 

 militari. 



