no TTvmenomycGtfT, AgnrioncerR, Leiicosporfp, roll.vliin. 



splondontibus punctato, pruinoso; stipite griseo-fusco, fistuloso, 

 gracili, doorsum tenuato, fissili, apice albo et farinoso; lamellis si- 

 nuatis griseo-glaucis; sporis pruniformibus, hyalinis, 7-8 ;j,. long. 

 Hab. circinatim in pascuis siccis collinis .luru'. 



18. Collybia atratoides Peck, in Harcl Muslirooms, p 116, fig. 86. — 198 

 Pileo tenui. convexo umbilicato, glabro, hygrophano, udo nigro- 

 brunneo, sicco griseo-brunneo et nitido, 12-20 mm. lato; lamellis 

 latiusculis, subdistantibus, adnatis, griseo-albis, siepe supra trans- 

 verse venosis et venoso-connexis; stipite a^quaii, cavo, levi, gri- 

 seo-brunneo et basi tomento mycelioideo tecto, 2.5 cm. circ. longo; 

 sporis subglobosis, 5 |i. circ. diam. 



Hdb. ad terram in ligno dejecto, Amer. bor. — Coll. atratcv 

 affinis, difFert pilei et lamellarum colore. 



19. Collybia hirticeps Peck, Bull. Torr. Bot. Club, XXXIV 1907) 199 

 p. 98. — Pileo tenui, submembranaceo, convexo, umbilicato, sicco, 

 dense et minute s;epe radiatim brunneo-tomentoso et in speciem 

 sulcato-striato, margine fortiter incurvato ; lamellis moderate con- 

 fertis, postice rotundatis, leniter adnexis v. liberis, diu albis; sti- 

 pite longo, tenaci, lequali, fibrilloso-farcto, tomentoso, pileo con- 

 colori V. pallidiori ; sporis globosis v. subglobosis, 4-5 * 4. 



Ilab. ad truncos v. ramos dejectos in silvis prope Pigeon Lake, 

 Ontario, et Pennsylvania Amer. bor. (C. Guillet, R. Sumstinej. — 

 Plerumque ca^spitosa. Pileus 1,5-2,5 cm. latus; stipes 5-7 cm. 

 longus, 4 mm. cr. Coll. zonato' affinis. 



20. Collybia muciflua v. Hohn., Stzb. k. Ak. d. Wiss. Wien, CXVIII 200 

 4909^ Abt. I. p. 276. — Late et dense ca'spitosa; pileo plano- 

 hemispha^rico plerumque 1(> mm. lato, griseolo, centro et margine 

 albido, strato mucoso hyalino, diaphano tecto, membranaceo ; con- 

 textu pilei medio 700. margine 100-150 \i. cr. ; ex hyphis densis 

 gelatinosis coniiato; stipite cavo 2-4 cm. longo, apice 600-800 u,. 

 cr., deorsum sensim clavato et 1 mm. crasso ubique strato gela- 

 tinoso hyalino tecto. sursum albo, deorsum griseolo; lamellis late 

 denticulato-adnatis 1,3-2 mm. latis, 200-'250 ;j,. cr. ; cystidiis nul- 

 lis; basidiis cylindraceis 12-16 »4; storigraatibus quaternis 3 ;j.. 

 long. ; sporis cyliudraceo-ellipsoideis, hyalinis, basi apiculatis, 5- 



6 « 2-3. 



Ilah. ad caudices arborum putres, eos fere omuino obtegens, 

 in silvis Tjibodas Ins. .lavye. 



21. Collybia capillaris A. Blytt, Norges Hymen. in Vid.-Selsk. Skr. 201 

 ,19u4) n. 6, p. 33. — Piloo minutissimo, primitus sphairico, dein 



