17 



albae ; stipes filiformis albiis basi vix incrassatulus atque 

 puberulus; sporae ovatae laeves hyalinae. 



Hab. Ad ramenta dejecta putrescentia prope Apiahy, Jun. 

 1888 (sub n. 2908). 



Obs. Pileus tenuissime membranaceus primo hemisphaerico- 

 subglobosus pulverulento-fuscidulus, dein convexo-ex- 

 pansus (2-4''' dm.) plus minusve profunde umbilicatus 

 granulis paucis minutissimis (centro praecipue) subfusce- 

 scenti-succineis nitentibus adspersus, margine non v. vix 

 sulcato-striatus, integer ; lamellae pileo concolores v. pal- 

 lidiores, utrinque attenuatae, postice acute adnato-decur- 

 rentes subremotae strictiusculae tenuiusculae, acie obtu- 

 sulae integrae granulis pellucido-subsuccineis nitentibus 

 ornatae; stipes elongatus rectus gracilis (iO-15'" Ig. X 

 0,5'" crs.) albus glaber laevis basi insititius non v. vix 

 bulbillosus ac albo-pruinohisus; sporae ellipticae v. 

 ovatae (10 X 4-5 y) inaequilaterales laeves hyahnae. Spe- 

 cies lamelhs postice decurrentibus Omphaliis accedens, 

 M. sacchariferae B. et Br. tamen peraifinis, a qua recedit 

 pileo umbilicato stipite longiore sporisque majoribus. 



25. Mycena capillaris Schm. Sacc, 1. c. f. 303. 



Hab. Ad foha ramulosque dejectos putrescentes in sylvis 



prope Apiahij, aut. 1888 (subn. 2462). 

 Obs. Specimina brasihensia varietatem pileo dilute cinera- 



scenti-roseo sporisque elhpticis submajoribus (10 X 6 y) 



laevibus hvalinis donatam sistunt. 



26. HiATULA suBcoESPiTosA Speg. (n. sp.) 



Diag. Pallescens, coespitosula ; pileus subhemisphaericus 

 tenuissimus sublaevis, subpulverulentus ; stipes glaber 

 vahdulus ; lamellae angustissimae subphcaeformes inter 

 se remotae, longioves stipitis apicem attingentes. 



Hab. Ad truncos dejectos putrescentes in sylvis prope 

 Apiahy, Jun. 1881 (sub n. 1647). 



