28 - 



Hab. A(l palos vftustos putrescentes in hortis prope Apiahy, 

 Mijj. 1888 (sincn.). 



50. Pani s iiv.MExoRHYzus Spoii:. (n . sp.) 



Diag. (iandidus ; pilcus diniidiato-rcniformis^ postice non 

 V. vix marj^inatus laovis glabor ; lamollac subconfertae 

 strictissimac ex albo pallcscentcs ; stipcs dcfinitc laleralis 

 brevis teres albus glaber laevis basi in mycelium glabrum 

 tenuissime mcmbranaceum subpcllucidum allnim latis- 

 simc arctissimeque per matricem serpens expansus ; 

 sporae e globoso ovoideae, lacves, hyalinae. 



Ilab, Ad folia ramontaque arborum coacervata putrescentia 

 in sylvis prope ^j9/a/i7y, Apr. 1888 (sub n. 2467). 



Obs. Mvcelium submuccdineo-mcmbranaceum anhistum la- 

 tissime expansum (5-50'' diam.), arctissime matrice adna- 

 tum quandoque tenuissimum pellucidum quandoque sub- 

 crassiusculum opacum, album subnitens glabrum laeve 

 V. spurie tuberculosum v. bullosum ; pileus primo regu- 

 laris hemisphaericus margine integer ac invoiutus, dein e 

 latere tantum evolutus ac subdimidiatus, suborbicularis 

 V. subreniformis (5-20'" dm.), e latere manco non v. plus 

 minusve strictc marginatus lacvis glaber albus; lamellae 

 lineares tenuissimae strictissimae subconfertae polyma- 

 criae ex albo pallesccntcs, acie integerrimae ; stipes teres 

 brevis (3-10'" Ig. X 0,5-1'" crsj pileo concolor laevis 

 glaber, deorsum lcnissime incrassatus. Species pulcher- 

 rima nobilissima, mycelii natura mox dignoscenda. 



51. Panus laciniato-crenatus Speg. Sacc, 1. c. f. 621. 

 Hab. Ad truncos emortuos v. languentes in sylvis prope 



Apiahy, Jun. 1881 (sub n. 1537J. 

 Obs. Specimina brasiliensia parvula sencscentia, speciei 

 sequenti proxima; sporae elliptico-cylindraceae (6-9 X ^ f^) 

 laeyes hyalinae. 



52. Panus eugrammus (Mntgn.) Fr. Sacc, 1. c f. 626. 



