- 18 — 



34. Agaricus istrojiliarla) stkrcouarius Fr. — Speg., 

 Fung. pat. n. 21 . 

 Ilab. In fimo vacciiio i)utresccntc in pratis prope L's/u/- 

 vaia, Maj. 1882, 



3"). Agauicus (hypholoma) appkndiculatus IJull. — Fr., 



Hyin. eurp. p. "206. 

 Hab. Ad truncos vetustos putrcscentes ad mai-ginem 



sylvarum in Ushuvaia, Beagle Channel, Maj. 1882. 

 Obs. Pileus primo ovatus, obtusus, ambitu repandus, 



stipite adpressus, griseo-fuscus, glaberrimus, margine 



tela albicanle aj)pendiculatus; stipes proratione curtus, 



crassus, listulosus. 



36. Agaricus (psilocybc) coprophylus Bull — Fr., Hyin. 

 eurp. p. 299, n. 1130. 



Hab. In fiino viccino vetusto in pralis prope Ushuvaia, 

 Maj. 1882. 



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

 pileus hemispbaericus, varie ac plus minusve undulatus 

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

 tusissime umbonatus castaneus v. testaceus, udus am- 

 bitu plus minusve evidcnter striatus; lamcUae cras- 

 siusculae, subdistantes, latiusculae, polymacriae, in 

 juventute pileo pallidiores, in senectute lusco-lividae, 

 antice obtuse acutatae, postice latae truncatae, adnatae, 

 denticulo subdecurrentes (rarius subsinuatae), acie 

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

 sulus, teres pliis minusve elongatus, pileo concolore, 

 laevissimus, glaberrimus, basi mycclio late expanso, 

 albescente ornatus. Caro pileo concolor, succoso- 

 flaccida. 



Forma fuegiana a typo ut videtur nonnihil recedens. 

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

 acutiusculae, laeves, sordidc fusco-fcrrugineae. 



