- 150 — 



34. Agaricüs {stropharia) stercorarius Fr. — Speg., 

 FuDg. pat. n. 21 . 



Hab. In fimo vaccino putresceate ia pratis prope L/'s/ik- 

 vaia, Maj. 1882. 



35. Agaricüs (hypholoma) APPENDrcuLATus Bull. — Fr., 

 Hym. eurp. p. 296. 



Hab. Ad truncos vetustos putrescentes ad marginem 

 sylvarum in Ushuvaia, Beagle Channel, Maj. 1882. 



Obs. Pileus primo ovatus, obtusus, ambitu repandus, 

 stipite adpressus, griseo-fuscus, glaberrimus, margine 

 tela albicante appendiculatus; stipes proratione curtus, 

 crassus, ñstulosus. 



36. Agaricüs (psilocybe) coprophylüs Bull — Fr., Hym. 

 eurp. p. 299, n. 1130. 



Hab. In fimo viccino vetusto in pralis prope Ushuvaia, 

 Maj. 1882. 



Obs. Mediocris, solitarius v. saenius 3-12 laxe gregarius; 

 pileus hemisphaericus, varié ac plus minusve uudulatus 

 depressusve, laevissimus, glaberrimus, non v. vix ob- 

 tusissime umbonatus castaneus v. testaceus, udus am- 

 bitu plus minusve evidenter striatus; lamellae cras- 

 siusculae, subdistantes, latiusculae, polymacriae, in 

 juventute pileo pallidiores, in senectute fusco-lividae, 

 antice obtuse acutatae, postice latae truncatae, adnatae, 

 dentículo subdecurrentes (rarius subsinuatae), acie 

 integrae, crassiusculae; stipes farctus, rectus v. flexuo- 

 sulus, teres plus minusve elongatus, pileo concolore, 

 laevissimus, glaberrimus, basi mycelio late expanso, 

 albescente ornatus. Caro pileo concolor, succoso- 

 ílaccida. 



Forma fuegiana a typo ut videtur nonnihil recedens. 

 Sporae ellipticae v. ovoideae (18 X 10 ;;.), utrinque 

 acutiusculae, laeves, sordide fusco-ferrugineae. 



