— 23 - 



Hab. Ad terram iii pratis in Stciten island vulgatissimus, 

 Mart. 1882. 



47. CoRTiNARius [mijxacium) aivtarcticus Speg. (u. sp.) 

 Diag. Delibutus, solitarius v. hinc inde 2-3-gregarius ; 



pileusprimo hemisphaerico-subglobosus, obtuse rotun- 

 datus, margine involutus, fusco-carneus, dein appla- 

 nato-expansus (4" diam.), centro vix depressus, margine 

 proniinulus obtusus, subinvolutus, centro paliide sor- 

 dideque fusco-carneus, ambitu aJbus, laevissimus, gla- 

 berrimus, in juventute strato mucoso hyalino vestitus; 

 lamellae candidae acie integerrimae (vix in juventute 

 subpruinuloso-denticuhitae), antice acutato-attenuatae, 

 inedio hitiores, postice attenuato-rotundatae, a stipite 

 discretae, cum pileo continuae; stipes teres, sursum 

 vix leniter attenuatus (5-5,5" long. X 1" crass.) 

 deorsum attenuato-acutatus, farctus, albus, laevissimus, 

 basi tenuiter gossypino-pruinulosus, radicatus; velum 

 mucoso-opalinum, ex apice descendens e medio ad- 

 scendens ac usque ad pilei marginem productum ad- 

 natumque, per aetatem mox evanescens. 



Hab. Inter muscos hepaticasque subinfossus in pratis 

 uliginosis collinis v. aipinis prope Port Cook, Staten 

 islancl, Mart. 1882. 



Obs. Caro pilei alba, compacta, immutabilis, subtenuis 

 centro excepto. 



48. CoRTiNARius (myxacium) Darwinii Speg. — Fung. 

 pat. n. 33. 



Hab. In sylvis prope landagaia et Ushuvaia, Maj. et 

 Jun. 1882. 



49. CoRTiJNARius (myxacium) tarnewsis Speg. — Fung. 

 pat. n. 32. 



Hab. In sylvis iuter folia putrescentia prope Walla- 

 m&tu, Shammacus et Ushuvaia, Maj. 1882. 



