— 20 — 



Hab. Vulgatus ad truncos putrescentes v. emortuos prope 

 Punta Arenas et Patagones, per ana. 1882-83. 



45. PoLYPORus VAPORARius P. — Fr., Hyru, Eurp. p. 579, 



11.221. 

 Hab. Ad trabein fabrefactam piitresceuteni ia sylvis prope 

 Punta Arenas, X[n\ 1882. 



46. Fistulina atstarctica Speg. (n. sp.). 



Diag. Pileus diiuidiato-ungaiculatus, aiitice margine cras- 

 se rotundatus, repaiidiis v. difformis, postice subcorda- 

 tus V, subcuneatus, sessilis v. stipite crasso tuberculoso- 

 amorfo plus minusve evoluto doaatus, magnitudiue 

 summopere ludens (3-50" diam.), superne convexus, 

 laevis, udus submucosus, siccus siibveriiicosus acnitens, 

 hiuc inde squamulis minutis fimbriatulis inspersus, e 

 fulvo-v. nigro-saiiguiíieus, inferné applanato-undulatus, 

 saepius irregulariter subrimoso-dilTractus ; tubuli inferí 

 elongati (3-6'" long.), dense constipati, a pileo facile 

 secedentes, liberi, sordide v. pallide sanguinei, tactn 

 nigrescentes, gracillimi, ore irregulari, sublacero con- 

 colore donati. Caro compacto-moUis, succosa, tenax, in 

 senectute subspongiosa, pileo pallidior v. subfulvescens, 

 ñbris crassis obscurioribus v. pallidioribus, raaioso- 

 anastoniosantibus dense percursa. Sporae globoso-ovoi- 

 deae v. subellipticae (5-7 X 3-4 [j), inferné inaequila- 

 teraliter apiculatae, granuloso-farctae e hyalino pallidis- 

 sime rubiginosae. 

 Hab. Ad truncos Fagi antarcticae vulgatissima prope 

 Punta Arenas et in sylvis totius Patagoniae austra- 

 lioris, per ann. 1882-84. 

 Obs. Pileus quandoque glaberrimus, quandoque squamu- 

 lis densis (ad marginen! praecipue) vestitus. Basidia 

 obo\ato-clavata, ápice obtusissime rotundata (15 X 

 5-6 ;;.) 3-4-sterigniatopliora; fusco-rubiginosa. 



