melleus , laevis glaber ; caro alba subsuccosa tenuis 

 (1-2'" crs.) ; lamellae confertiusculae, membranaceae sub- 

 tenues, antice attenuato-acutatae, postice adnato-sub- 

 sinuatae (4-5"' Ig. X 0,5-1"' It.) saepe denticulo minuto 

 subdecurrentes, albae v. pallidissime fulvescentes, acie 

 integerrimae ; stipes teres incurvulus (30-50'" Ig.), antice 

 attenuatus (2"' crs.), postice obclavato-incrassatus (5"f 

 cras.), basique -3-20 connato-coespitosus, extus albo- 

 fulvescens, glaber laevis v. saepius eximie fibroso-tortus, 

 intus albus farctus v. strictissime subfistulosus ; anulus 

 albus ad quartum v. quintum superum stipitis adnatus, 

 minutus submenbraneceus, lacerus saepe mox evanescens; 

 sporae e globoso ovoideae inferne minute apiculatae 

 (9-10 X 7-8 y), non v. granuloso-farctae Jaeves, in vivo 

 hyalinae, in sicco perdilute fulvescentes. 



6. Armillaria procera Speg. (n. sp.) 



Diag. Pileus submembranaceus , liemisphaerico-expansus, 

 ex albo fulvescens, centro primo umbonatus, dein depres- 

 sukis infuscatusque, minute adpresseque squamulosus, 

 margine striatulus, per aetatem rimosus ; lamellae albo- 

 pallescentes, latae, decurrentes ; stipes badio-rufescens, 

 minute adpresseque fibrillosus, basi saepius incrassatus, 

 superne anulo amplo albo membranaceo fisso ornatus ; 

 sporae ovoideo-ellipticae, hyalinae. 



Hab. Ad truncos dejectos putrescentes prope Apiahy, Jul. 

 1888 (sub n. 2901-2). 



Obs. Coespitosus ; pileus primo ovatus v. conoideus phis 

 minusve umbonatus, dein explanatus (3-8" dm.), centro 

 saepius depressulus, in juventute dense minuteque furfu- 

 raceo-subsquamulosus, per aetatem subglabratus, radia- 

 tim grosse parceque rimoso-fissus, margine glaber stria- 

 tuhis, medio fusco-rufescens ambitu pallescenti-subful- 

 vus ; caro flocculosa alba vix ad centrum evohita ; lamellae 

 subconfertae membranaceae polymacriae latae (4-5'" It.), 



