﻿CttAMPrGNONS DE MAURITANIE. 



145 



Lentinus Chudaei n. sp. 



Cœspitosus, raro solitariiis ; pileo primitusmargine involuto 

 dein cyathiformi, applanato centro mamillato dein depresso 

 et umbilicato, 3-20 mm. diam., velutino dein tenuiter squamu- 

 loso et fibrillis depressis nolato, senescenle glabro, rarius zonis 

 pluribus concentricis ornato, griseo centro brunneo deinde 

 fulvo, tenui, coriaceo, fragili ; carne albida supra griseo-pelli- 

 culosa ; stipite cylindraceo, murino, 1-2 cm. longo, aequali, 

 2-4 mm. crasso, in radiciformem partem, cylindraceam toru- 



Lentiniis Chudaei. 



losam ve nonnumquam inferius inflatam, 4-6 cm. longam, 

 arena incrustatam producto, lignoso, farcto, villoso, scruposo 

 (in parte arenicola), squamoso vel squamiformibus pellicula 

 tenuissimis rimulis obtecto, trama albida ; lamellis murinis, 

 distantibus, àngustis, tenuibus, integris margine ve laceratis, 

 longe decurrentibus, inferius et superficialiter reticulato-anas- 

 tomosantibus ; cystidiis nullis; sporis hyalinis, pruniformibus, 

 1-2 ssepius guttulatis, 10 [x x 4 [j.. 



Hab. in quisquiliis ligneis profunde arena immersis, El- 

 Moïnan (Talmeust, N. E. Tagant), 11 juin 1911. 



10 



