HymeuoiuycetiB, Agaiicacctii, Leiicospone, Collybia. 65 



Hah. caespitosa ad truiicuin muscosum dejectum iu silvis prope 

 Seattle, Washington, Amer, bor, (W, A. Murrill). 



7. Collybia aitissima Massee, Fuugi exot. XIX, iu Bull. Bot. Gard. 238 

 Kew, 1914, p, 358. — Pileo caruosulo, e couvexo explauato^ sub- 

 umbouato, radiato-ruguloso, ghibro, umbriuo, ceutro saturatiore, 



5 cm. lato ; lamellis subdistautibus, hatis, albis, postice • aduexis ; 

 stipite elongato, sursum atteuuato, levi, glabro, stricto, solido, 

 deorsum griseo, sursum albido, 14 cm. lougo, 3-4 mm. crasso ; sporis 

 elbpsoideis, hyaliuis, 7-8 * 5. 



Hah. ad terram, Siugapore, Asia (Burkill). — G. radicatae affiuis, 

 ([uae differt stipite radiculoso et sporis alieuis. 



8, Collybia monticola (Murr.) Murr., Mycologia 1916, p, 219, Gi/mnopus 239 

 monticola Murv., X, Amer. Fl. IX, p. 371 (1916). — Pileo parum 

 crasso et molb, convexo, late umbonato v. subplano, deiu circa 

 di.scum depresso, 5 cm. lato; superficie levi, glabra, deiu striatula, 

 pallide isabelliua, iu disco pallide hitericia, margiue pallido, irre- 

 gulari, aetate iuvoluto et lacerato ; huuellis aduatis v. sinuatis, 

 latis, distautibus, e albis flavescentibus, aetate hitericiis ; sporis 

 ovoideis, leuiter rugosis, hyalinis, 75-85 * 5; stipite utriuque inflato, 

 molli, albido-i)ulverulento, iu apice cremeo, basi latericio, 5 cm. 

 lougo 5 mm. crasso. 



Hab. gregaria ad truncum vetustum, Sir Johu Peak, Jamaica, 

 Amer. bor. (W. A, Murrill), 



9. Collybia virginiana (Murr,) Murr., Mycologia 1916, p, 219, (hjmnopus 240 

 virginianm Murrill, X. Amer. Fl. IX, pag. 357 (1916). — Pileo e 

 couvexo subidano, uou umbouato, 2,5-4 cm. lato ; superflcie arida, 

 levi, glabra, uou luceuti, pallide-isabelliua, margine coucolori, nou 

 striato, juveutute iuflexo ; coutextu albo, odore peculiari nullo, lu- 

 macis gustato ; lamellis sinuato-aduexis, angustis, coutertissimis, 

 albis, planis ; sporis ellipsoideis, levibus, hyaliuis, 5-6 ^ 3-4 ; stipite 

 sursum leuiter augustato^ levi, apice ghibro, basi minute albido-to- 

 mentoso, pallide rubro-bruuueo, cavo, 5-6 cm. longo 2-4 mm. crasso. 



Hah. solitaria v. gregaria in sabulosis udis iu castanetis, pro])e 

 Falls Church, Virgiuia, Amer. bor, (W, A. Murrill). 



10, Collybia badiialba (Murr.) Murr., Mycologia 1916, p. 218, Gijmnopus 241 

 hadiialhus Murr., X. Amer. Fl. IX, p. 369 (1916), — Pileo parum 

 lato, parutn caruoso, e late convexo subplauo, umboue distiucto 

 couoideo praedito, 3-5 cm, lato ; superflciie levi, glabra, uda sed 

 uou viscida, badia, margiue integro, juventute iucurvo; lamellis ad- 

 natis, coufertissimis, augustis, albis ; sporis globosis^ levibus, hya- 



Syll. fung. XXIII (IX-1923) 5 



