_ 4 — 



Obs. Caro pilei tenuis vix centro bene evoluta, alba, sub- 

 exsucca, llocculosa, sub sectione dilute fuscescens ; illa 

 stipitis fibrosa tenacella, alba ; vehun nulluni ; cutis 

 pileo facile separabilis ; odor funginus gratus saporque 

 acidulus parum nianifestus. 



Species notis nonnuUis Cortinario talo Fr. acce- 

 dens, sed characteres sporologici deficiuut. 



3. Agaricus (Clitocybe) tehuelches Speg. (n. sp.). 

 Diag. Cyatliiformis ; pileus bcinisphaericus v. lenticula- 



ris, centro j)Ius minusve uml)iiicatus (10-15'" diam.), 

 extrius, testaceus v. testaceo-rubcscons, margine inte- 

 gro, obtusulo, repandulo, hygrophanus (?). Lamellae 

 paucae, distantes, crassiusculae, non raro deorsum con- 

 fluentes, arcuatae, dimacriac, antice obtusiuscule acu- 

 tatac, postice acutato-decurrentes, albo-ceraceae v. sub- 

 roseolac, acie integra, crassiuscula, saepius fuscescentc 

 donatae. Stipes saepius deorsum attcnuatus, laraellis 

 concolor, glabcrrimus, laevissimus, vix pruinuloso-ra- 

 dicatus, farctus (10-1 2'" long. X 2'" crass.). 



Hab. Ad terram muscosam in Gregory bay in Freto ma- 

 gellanico, April. 1882. 



Obs. Caro stipitis et pilei lamellis arcte adnata, hygro- 

 phana, carncola, succosa. Sporae albae. 



Species ad Omphalias nonnihil vergenset ^(y. pyxi- 

 dato Bull. proxima. 



4. Agaricus {Clitocybe) patagoiMclm Speg. (u. sp.). 

 Diag. Pileus primo hemis{)hacricus dein explanato-um- 



bilicatus (1-2" diam.), lacvissiuius,. glabcrrimus, niar- 

 giue intcgcr plus minusve undulato-rcpandus, laxe et 

 vix manifeste striatus (non plicatus), sordide albus v. 

 albescenti-cinerascens, hygrophanus. Lamellae subcon- 

 fertae, polimacriae, arcuatae (2'" lat.), antice obtu- 

 sato-rotundatae, postice attcnuato-dccurrentes, a sti- 



