— 121 — 



CYTTARIEAE Speg. 



Fungi globosi v. obovati, vivi carnoso-tenaces, sicci 

 subcornei, farcti v. cavi, peripherice loculiferi, cortice 

 mucedineo deliquescenti-evanescente tecti, mycelio pe- 

 renni in ramis viventibus arborum plus minusve late 

 innato-effusu ac illos tuberculoso-hypertropliicos effi- 

 ciente donati; loculi sphaerici majusculi superne laci- 

 niatim v. ostiolatim (obturaculp mucoso-fatiscente ) 

 dehiscentes, pulpa ascigera mucosa repleti; asci cylin- 

 dracei,octospori, longe denseque paraphysati; sporidia 

 elliptica laevia hvalina. 



Familia vegetatione natura ac fabrica longe a Disco- 

 mycetibus abhorrens, cum nulla alia comparanda. 



312. Gyttaria DARwmii Berk. — On an edib. fung. f. Tierra 

 del Fuego n. I . 

 Hab. Vulgata in ramis vivis Fagi antarcticae ubique 



per Fuegiam totam, aut. et hiem. 1882. 

 Obs. Alba v. albo-pallescens, globosa (2-4" diam.), ubi- 

 que rotundata uon v. vix basi umbilicata, sessilis v. vix 

 brevissime crassiusculeque stipitata, semper farcta, 

 primolaevisdein favosa, glabra, cortice primo coriacea- 

 membranaceo, dein liquescenti-evanescente tecta; loculi 

 globosi (2-3'"diam.), primo clausi, dein obturaculo mu- 

 coso evanescente late ostiolato-aperti immarginati , 

 pulpa flavescentepellucida farcti ; asci cylindraceilonge 

 pedicellati (p. sp. 90-100 X 10 -a— ped. 50-70 X 5-9 [>.), 

 apice truncato-rotundati crassiusculeque tunicati, iodi 

 ope nuUa, paraphysibus filiformibus subaequilongis den- 

 siuscule obvallati ; sporidia recte v. oblique monosticha, 

 recte elliptica, utrinque obtusiuscula (14-16 X 8 \i), 

 laevia nubiloso-farcta hyalina. 



Species edulis, insipida, gummosa, per aetatem nigre- 



