548 



garie aut cespitose crescens: pileo 1 — 2 unciali. lamel- 

 lis confertis angustls. Julio, Augusto. 



584. Agaricüs variabilis P. e. acerinus n. 



Char. ess. Pileo subinembranaceo convexo rugu- 

 loso molli pallido basi reluso, lamellis venlricosis distan- 

 libus latis crassiusculis ochroleucis, stipite subnullo. 



Des er. br. Pileus e resupinato reflexus, subrotun- 

 dus, \\ — 2^ lin. latus, floecoso - mollis , margine fimbria- 

 tus. Lamellae 2 — 6-seriales, saepe emarginato-adnexae 

 dentibus ierminatae, fimbriatae, pallidae, dein rufescentes. 

 Stipes excentralis vel lateralis, albo floecosus, basi villo- 

 sus, interdum vix ullus. Sporidia subfusco-ochracea. 



Ad truncos Aceris Pseudoplatani, subgregarie. Octbr. 

 Novbr. 



585. Agaricüs volvaceus Bull, inter pulverem coria- 

 rium, in hortis interdum copiosissime. Julio — Septbr. 

 (1828, Amtsgarten). 



5S6. Agaricüs rhodomelas n. 



Char. ess. Pileo squamuloso - villoso viscoso subfu- 

 Hgineo, lamellis subconfertis rubellis, stipite solido pube- 

 scente, volva laxa colore pilei. 



Descr. br. Forma inter Ag. volvaceum et specio- 

 sum. Pileus e campanulato piano - convexus leviter um- 

 bonatus, \\ — 2 unc. latus, nee fibrillis longis vere-vir- 

 gatus, cinereus vel fuligineus, dein subexpallens. Stipes 

 \\ — 2 unc. longus, 2 — 2^ lin. crassus, attenuatus, te- 

 nuiter floecoso -pubescens, albus, dein subglaber, basi le- 

 viter incrassatus. Volva parva, membranacea, inaequaliter 

 lobata , floecosa , subviscosa. Lamellae 1 — 3 - seriales, 

 latae, subtenues, carneo-rubellae, albo-denticulatae. Spo- 

 ridia fuscescenti-rubella. Inodorus, sed sapore subingrato 

 cui paululum acredinis. 



In fagetis humidis, inter muscos, rarissime. Aug. 

 Septbr. (INieblingsee). 



