13(5 Hymenomycetse, Ag-aricaceee, MelanosporsR, Gorophidius. 



riter laxeque sulcatulo, primo pallide sordideque fuscescente, deiu 

 subcinerescente, centro avellaneo; stipite elongato filiformi, 4-5 

 cm. longo, 0,7-1 mm. cra?so, pallide sordideque ex albo avellaneo, 

 apice pallidiore atque subincrassatulo, primo flocculoso-farcto, dein 

 fistuloso, recto v. leniter flexuosulo, rigidulo, tenaci, subcartilagi- 

 neo-iibroso, basi incrassatulo, abrupte minuteque subbulbosulo, my- 

 rrAio denso hispido strigosoque in orbem late expanso albo v. ru- 

 fescente radicato; lamellis confertiusculis, membranaceis, triangu- 

 laribus, 2 mm. latis, late adnatis, primo cinereo-fuligineis, dein 

 fuligineo-atris, acie integris et semper aibis; sporis .... 



Hah. ad terram h.umogam inter folia et herbas in Parque de 

 La Plata Argentinne. — Pileus fragilissimus in juventute furfure 

 araneoso velatus, per aetatem uon liquescens. Ps. argeniince Speg. 

 sat affinis, laniellis acie semper aibis mox tamen dignoscenda. 

 5. Psathyrella aibida Massee, Bull. Miscell. Inform. Eoy. Gard. 444 

 Kew, p. 170 (1899). — Pileo membranaceo, digitaliformi, obtuso, 

 striato, glabro, albido, 5-8 mm. lato; lamellis confertis, postice 

 uncinatis decurrentibus, incarnatis, angustis ; stipite fistuloso, hya- 

 lino-pellucido, basi radicato-strigoso, 1'/^ cm. longo, 1 rnm. crasso; 

 sporis ellipsoideis, pallide brunueis, levibus, 8 v« 5. 



Hab. ad lignum cariosum, Seiangor (E.iDLEy). — Dense caes- 

 pitosa, P. dJsseminatce Pers. afiinis. 



GOMPHIDIUS Fr. — Syll. V p. 1137. XI p. 68, XIY p. 164. 



1. Gomphidius oregonensis Peok, BuII. Torr. Bot. 01. 1898, p. 326. 44J 



— X^ileo primitus convexo, dein subplano v. centro aliquantulum 

 depresso, viscido, brunneo v. atro-brunneo, sicco nigrescente, sa- 

 pore dulci gratoque; stipite brevi, solido, sequali v. sursum leni- 

 ter angustato, pileo concolore ; lamellis numerosis, subconfertis, 

 adnatis v. leniter decurrentibus, in sicco nigrescentibus ; sporis 

 oblongis, 10-127^ V 4-5. 



Hah. ad terram in pinetis, Oregon Amcr. bor. 'Lane), — Pi- 

 ieus 5-lO cm. latus; stipes 27^-5 cm. longus, 4-10 mm. crassus* 

 Edulis, frequentissime obvius. 



2. Gomphidius vinicolor Peck, 51 Rep. State N. York 1898, p. 291. 44i 



— Pileo crasso, carnoso, convexo vel subplano, viscido, obscure 

 rnbro, in sicco nigrescente; stij^ite subsequali, glabro, solido, vi- 

 nicolore, intus pallidiore; lamellis distantibus, deourrentibus, oli- 

 vacoo-brunneis v. in maturitate nigrescentibus ; sporis oblongo- 

 fusiformibus, 18-21 ^ 6-8. 



