— 28 — 



llab. Ad raineuta putrcsccnlia Fagi betuloidis propc 

 Port Cool: iii Staten island, Mart, 1882. 



Ubs. Aii tantuin M. splachnoidis Fr. \arietas?. Hujus 

 speciei forma nonnihil niinor in llope harbour {Cla- 

 rence island) hieme etiam inventa. 



59. Marasmils (rotida) sphaerodeumls Speg. — Fung. 

 pal. u. 36. 



Ilab. A(l folia dcjccta j)utresccntia Berberidis buxifoliae 

 \n Aicina insuht, liearjle Channel, Maj. 1882. 



Obs. In folis dcjectis Pernettiae mucronatae, Fagi 

 betuloidis, Euibotrii coccinei nec non Mayteni 

 magellanicae vulgatissima adest species, iiujus forma 

 tantum facile sed scmper stcrilis ac pileo deficiens. 



POLYPOREAE Fr 



60. Laschia aktarctica Speg. (n. sp.) 

 Diag. Pileus e\ orbicuhiri dimidiatus, parvulus (5-10'" 

 (iiam.i, carnosulus (0,5'" crass.), ap|)lanato-conve\ulus, 

 iiiargine intcgerrimus atque incurvulus, obtusiusculus, 

 postice cordatus v. subreniformis, saepe strictissime 

 marginatus ac dcpressulus, glaberrimus, laevissimus, in 

 vivo albus, opacus, tcncr, in sicco contractulo-subinvo- 

 lutus, spadiceus, rigidulus; stipes breviusculus (3-6'" 

 long. X 0,1-0,7'" crass.), albus teres, apice non v. vi\ 

 compressus, basi abruptc truncato-innatus non v. \i\ 

 fuscescens, glabcr, laevis; liymciiium planum, aequale. 

 albuin V. j)allidissime alutaccum; pori mediocres (0,2- 

 0,4'"diam.), ore e\agono-rotundati, breviusculi, disse- 

 pimcntis crassiusculis acie inlegris donati. Basidia cla- 

 \ulata (25-27 X 8-10 \j.), utrinque rotundata, 2-3-ste- 



