— 393 — 



canescenti-pruinulosus,basi incrassatus sed saepius rayce- 

 lio parco subfeiTugineo strigosule ornatus ; sporae ovoi- 

 deo-inaequilaterates (10X6 y), laeves, granulosü-farctae, 

 hyalinae. Species Marasmiis próxima, lamellarum tamen 

 natura Collybiis adscripta. 



19. COLLTBIA? VIOLACELLA SpCg. (n. Sp.) 



Diag. Pileus orbicularis tenui-membranaceus subpellucidus 

 glaber striato-subsulcatus violaceus; lamellae remotae 

 crassiusculae adnatae rugís transversis densis junctae; 

 stipes erectus rectus teimis sordidefusco-víolascens glaber 

 laevis ; sporae e globoso ovoideae hyalinae. 



Hab. Ad folia dejecta coacérvala putrescentia in sylvis prope 

 Apiahy, Maj. 81 (sub n. 1542). 



Obs. Solitaria, inodora ; pileus tenui-membranaceus subpel- 

 lucidus rigidulus fere tremelloideus (in sicco), convexulus 

 V. applanato-expansus (12-15'" dm.) centro e depresso 

 subumbilicatus, margine subcrenulatus acutus rectus, gla- 

 ber, laevis, modice laxeque radiatim costulatus in vivo 

 pulchre violaceus, in sicco pallide fulvescens : lamellae 

 remotae substrictiusculae (0,5-0,8'" lat.) crassiusculae 

 subpellucidae, pileo vix pallidiores, antice attenuatae po- 

 stice acute adnatae v. dentículo subdecurrentes, polyma- 

 criae, rugis v. plicis transversis centro crebriusculis maju- 

 sculisque marginem versus gradatim remotioribus ac 

 tenuioribusregulariterfenestratim junctae; stipes teres gra- 

 cilis rectus (60-70'" Ig. X 1-1,5'" crs.) sordide fusco-viola- 

 scens, opacus rigidulus subfistulosus glaber laevis ápice 

 non V. vix incrassatus, ima basi nodulosus ac mycelio 

 parcissimo albicante vestitus : sporae ovoideae (6-7 X 

 4-5 //) inaequilaterales, 1-guttulatae, laeves, hyalinae. 

 Species pulcherrima Col. ? Iiymenücephala Speg. affinis, 

 satis tamen distincta, generi Heliomyceti accedens. 



20. Mycena puxicella Fr. ? — Sacc, 1. c. f. 257. 



