222 TTymonomycetrp, Ap:arifneo:r, Mflanosporno, ^''sntliyrn. 



22-25» 11-12; sporn' ellipsoideic, brunnefe, leves 11-lB ^6-7, poro 

 apicali pr:pdit;i', Imsi hilo emorgente destitutnG. 

 18. Psilocybe conissans (Peck) Peck, N. Y. State Mus. Bull. n. 122 .sss 

 ('1908) j). 132. — Ita vocandus Clitopilus conismm Peck, N. V. 

 State Mus. Rpt. 41, p. 64, et Rpt. 42, p. 45. ~ Syll. IX, p. 86. 



DECONICA W. Smith — Syli. V p. 1058, IX p. 141, XI p. 73, 



XVI p. 125. 

 1. Deconica rhomboidosperma Atkins., Ann. Mycol. VII (1909) p. 368. s89 



— Gregaria, 2-3 cm. alta; pileo 0,5-1 cm. lato; stipite 2 mm. 

 crasso; pileo ovato-convexo, sicco, ad marginem lcviter floccoso- 

 appendiculato, ochraceo-pallido, luteo; lamellis castaneis, adnati.s 

 et decurrentibus, 2-3 mm. latis, margine dentatis; basidiis tetra- 

 sporis; sporis purpureo-brunneis. ovato-subrhomboideis, levibus, 

 5-7 «4-5; stipite flexuoso, cavo, ad basim mycelio albo ornato. 



Hah. ad folia et ligna putrida in silvis Ithac;e N. Y. Amer. bor. 

 (Jackson). — Decon. nucisedce proxima. 



PSATHYRA Fr. — Syll. V p. 1060. IX p. 142, XI p. 73, XIV 

 p. 154, XVI p. 126, XVII p. 90. 



1. Psathyra vestita Peck, New York State Mus. BuU. n. 105(1906) 890 

 p. 28. — Pileo tenui, submembranaceo, ovato, conico v. subcam- 

 panulato, 9-10 mm. lato, obtuso, initio fibrillis albis floccosis te- 

 cto, plerumque rubescenti, dcin pallido v. albido et sericeo fibril- 

 loso, quandoque margine leniter striato; lamellis tenuibus, angustis, 

 confertis, adnatis, initio albis, dein atro-brunneis ; stipite ;equali, 

 cavo, flexuoso, floccoso, fibrilloso, dein sericeo fibrilloso, apice fa- 

 rinoso, striato, albo, 2,5-4,5 cm. longo, 2-3,5 mm. cr.; sporis pur- 

 pureo-brunneis, ellipsoideis, 7,5-10 * 7-8 



Hah. ad folia dejecta, North Elba Amor. bor. 



2. Psathyra multipedata Peck, BuU. Torr. Bot. Club, XXXII (1905) sai 

 p. 80. — Dense c;cspitosa; pileo submembranaceo, conico v. he- 

 misphicrico. gIal)ro, hygrophano, udo pallide-fulvo v. fusco, sicco 

 cinereo, centro diutius humido quam margine; lamellis tenuibus, 

 confertis, adnatis, e pallido v. griseo brunneis, margine albidis ; 

 stipite angusto, ^equali, cavo, fragili, purpuraceo, dein levi v. s;T3pe 

 basi fibrilloso, albo; sporis brunneis, ellipsoideis. 6-8^4-5. 



Hab. in herbidis St-Louis Mo. .\raer. bor. (N. M. Glatfelter). 



— Pileus 12-16 mm. latus ; stipes 5-10 em. longus : 2 mm. cr. 



3. Psathyra examinata (Britz , Sacc. et Trav. — Syll. XX, p. 527. — 802 



