Hymenomycetese, Agaricinese, Melanosporse, Deconica. 141 



4. Psilocybe ferrugineo-lateritia Vogl. 111. Agar. ital. p. 4, c. tab. — 571 

 Pileo carnosulo, convexo v, rarius campanulato, centro subutnbilica- 



to, raargine substriatulo, ferrugineo-lateritio, glabro, subhygrophano, 

 2-2,5 cra. lat. ; laraellis 3-4 mm. lat., subventricosis, subconfertis, 

 adnato-decurrentibus, purpureo-atris ; stipite cylindraceo, subcarti- 

 lagineo, utrinque subincrassato, glabro, subferrugineo-lateritio, in- 

 tus pallidiore, subcavo^ ad basim albo, 3,5-4,5 cm. long., 1,5 rara. 

 crass, ; carne pallida, odore farinoso.; sporis fusco-purpureis, el- 

 lipsoideis, rarius ovato-ellipsoideis, 7-9^4; basidiis 2-4-sterigma- 

 ticis ; cystidiis phialiformibus, 34-86 =; 9, in collo 2 a. lat. 



Hab. ad terram rauscosam in pinetis prope S. Giuseppe Massae 

 Italise (P. Pellegrini). — P. physaloidi, Pcunisecii et sericece 

 subaffinis. 



5. Psllocybe mutabilis Karst. Syrab. Fenn. XXIX, p. lOL — Pileo 572 

 subraembranaceo, disco carnosulo, tenaci, couvexo, obtuso, udo aquo- 



se umbriao, siccitate fulvescente, deinde subflavo, glabro, circiter 

 4 cm. lato; stipite cavo, rigido-fragili, aequali, prsecipue inferne 

 ferruginascente, albido-sericeo, glabrescente, 4-5 cm. alto, 4 mm. 

 crasso; laraellis adnatis, confertis, cinerescentibus, tandera fuscis, 

 aridis, 6-7 mm. latis; sporis ellipsoideis, interdum inaequiiateralibus, 

 dilute ferrugineis diaphanisque (sub lente), 7-10=; 3-4; basidiis cla- 

 vato-cylindraceis, 5-6 a. crassis; cystidiis nullis. 



Hab. ad truncos putrescentes in paludibus silvaticis prope Mu- 

 stiala Fennife. — Ceespitosa ; statura mutationeque coloris P. mu- 

 tabilem refert. 



6. Psilocybe senex Peck 41 Rep. p. 70. ~ Pileo tenui, hemisphae- 573 

 rico, obtuso, hygrophano, udo atro-brunneo et striolato, sicco pal- 

 lide cinereo et lucente, flbrillis albis subfascicularibus subsquamo- 



so, margine similiter appendiculato; lamellis latis, subdistantibus, 

 adnatis, primo griseis, deio brunneis vel nigro-brunneis, acie alba; 

 stipite gracili, cavo, fragili, minute floccoso-pruinoso, subpellucido, 

 albo; sporis brunneis, ellipsoideis, 7,5 s 5. 



Hab. ad ligna dejecta in siivis, Catskill Mountains Amer. bor. 

 — Pileus 12-20 ram. lat. ; stipes 3,5-7,5 cra. long., 2 mm. crass. 

 P. canificanli affinis. 



OECONICA W. S. ~ Syll. V, p. 1058. 



1. Deconica subviscida Peck 41 Rep. p. 70. — Pileo tenui, primo 574 

 subconico, dein convexo vel subplano, saepe subumbonato, glabro, 

 hygrophano, pallide castaneo v. rubenti-brunneo, udo margine sub- 



