21 



glaber, margine integro incurvulo ; caro alba succosa pa- 

 rum evoluta; lamellae membranaceae confertae polyma- 

 criae latiusculae (1-2'" It.) antice attenuatae postice ad- 

 natae, acie integerrimae albae v. vix pallescentes ; stipes 

 incurvulus teres (20-30"' Ig. X 2-4'" crs.) glaber laevis 

 albus basi non v. parce incrassatus ac saepius tenuiter 

 albo-puberulus v. subhispidulus, intus e farcto cavus 

 albus; sporae subsphaeroidae v. ovoidae (4-6 X 4 /^), 

 laeves, non v. i-guttulatae hyalinae. Species Pl. ulmario 

 Bull. affinis satis tamen distinctus. 



32. Pleurotus coMMisciBiLis B. etC. Sacc, 1. c. f. 353. 



Hab. Ad truncos dejectos putrescentes in umbrosis prope 

 Apiahy, Apr. 1888 (sinen.). 



Obs. Species pulchella rigidula tenacella et forsam statum 

 juvenilem Pani lacimato-crenati Speg. sistens, alba gla- 

 bra; pUeo dimidiato-spathulato repando-lobato carno- 

 sulo ; stipite obconico plus minusve evoluto crassiusculo 

 concolore laevi ; lamellis subconfertis membranaceis 

 latiusculis decurrentibus albis ; sporis ellipsoideis (8-1 X 

 3,5-4,0 /J-) laevibus hyalinis. 



33. Pleurotus pulmonarius Fr. Sacc.,1. c. f. 362. 



Hab. Ad rarnos dejectosputrescentes in sylvis prope Apiahy, 

 Jun. 1881 (subn.1o34). 



Obs. Dimidiatus, solitarius v. subcoespitosus ; pileus hori- 

 zontalis e reniformi spathulatus (30-60'" dm.) carnosulus 

 laevissimus glaber ex alutaceo fulvescens, margine incur- 

 vulus non v. vix striatulus, postice in stipite brevissimo 

 crassiusculo villosulo albo productus ; caro alba flocculoso- 

 succosa ; lamellae subconfertae polymacriae,utrinque atte- 

 nuatae, postice decurrentes, crassiuscule membranaceae, 

 latissimae (2-4 It"'.), acie integrae ex albido lividae; 

 sporae ellipsoideae (9-1 1 X 3-4 y) laeves hyalinae. 



