— 12 — 



(2" long. X 3'" crass.) basin yersus saepiíis attenuatus, 

 lenacellus, fibrosulus, laevis v. vix lenissime longitu- 

 (linaliter striatus (in juventute saepe dense grosseque 

 luteo-papillosus), tenuiter fistulosus, obscuriuscule ru- 

 escens vix superne pallidior ac sublutescens, basi nodu- 

 losLis intense ochraceus et vix niyceliferus. Caro pilei 

 subexsucca, compacta, alba v. dilute liitescens v. vire- 

 scens ; illa stipitis fibrosa, fiilva v. dilute subochracea, 

 lamellis arete adnata. 



Species saepius dense gregaria v. nielius 3-5-coespi- 

 tosa, párvula, pulchella, odore et sapore nuUis. Sporae 

 ellipticae, utrinque obtuse rotundatae (6-7 X 3 ¡a), 

 laeves, ferrugineae. 



Specimina sparsa duplo majora pileo irregulari saepe 

 etiam inveni, sed nuUo modo a praecedenti separanda. 



Ut e descriptione constat, species nonniliil a typo 

 friesiano recedit; an varietas?. 



17. Agaricus (Naucoria) gregoriainus Speg. (n. sp.). 



Díag. Parvulus, solitarius, 3-5-coespitosus ; pileus liemi- 

 sphaericus (10-15'" diam.), ochraceus v. testaceus y. 

 rubescenti-fuscus, glaberrimus, laevissimus, margine 

 integro ; lamellae utrinque rotundatae, antice obtu- 

 siusculae, postice adnatae, 3-macriae, ochraceae, pileo 

 vix pallidiores ; stipes teres, tennis (2" long. X 2'" 

 crass.), non v. vix deorsum attenuatus, glaberrimus, 

 laevissimus, tenacello-fibrosulus, basi parce mycelifero- 

 radicatus, minute fistulosus, pileo concolor. 



Hab. Ad muscos iuter graraina in Gregory hay, Apr. 

 1886. 



Obs. Caro pilei tennis vix centro evoluta, pauca, pallide 

 fulva, cum stipite hymenioque continua. 



Hujus speciei commixtae varietates (an species?) dúo 

 occurrunt : 



P Pileo pallidiore in senectute saepius explanato ac re- 



