Jakob E. Lange: Studies in the Agarics of Denmark. III. 27 



KEY 



TO THE SPECIES FIGURED OF THE GENUS INOCYBE. 



I. EU-INOCYBE (P. Hennings). 

 spores smooth, generally ovate or phaseoliform. 



A. Muriculatae. Cystidia (or at least some of the c.) subfusoid or venlricose, 

 often crested with cristalloid muriculate bodies. 



CX. Pyriodoræ. The whole plant has a strong sweetish-aromatic smell 

 (almost like Calycanthus-flowers). 



a. Cap whitish or brownish ochraceous. 



1. Cap rather obtuse, fibrillose (or subsquamose) , more or less 

 ochraceous. 



* Large and stout. The stem (and occasionally also 



the cap) becomes flushed with bright incarnate /. incarnata (1) 

 % Somewhat smaller, Stem never bright incarnate (onlj' 



the flesh slightly so, especially in the stem) . . . I pyriodora (2) 



2. Umbo acute; cap whitish, then pale clay-colour. . . /. albidula (3) 



b. Cap obtuse, with bistre or dark brown adpressed scales /. scabra (4) 

 [3. Ingratæ. Smell wanting or faint, disagreeable (»earthy« 



or spermatic. 



a. squarrosæ-laceræ. Cap squarrose or tomentose-squa- 

 mulose. 



1. Stem with squarrose scales /. Hystrix (5) 



2. Stem flocculose-fibrillose. 



* Spores almost cylindric, long. Flesh brownish .... /. lacera (6) 



* Spores subovate or phaceoliform. 



f Cystidia on edge brown. Surface of cap dark 

 brown, (apex of stem at first often bluish), 

 c Cap small (l 1 /., cm), set with erect minute 



scales I. cincinnata (7) 



z Cap larger (2—3 cm), tomentoso-squamulose /. obscura (8) 

 ■j-f Cystidia hj'aline. Cap pale or grayish brown. 



= Stem pale lilac I. griseo-lilacina (9) 



I Stem pallid or somewhat brownish. 



§ Cap small (l 1 /., cm), clad with whitish fibrils 



and fibrillose scales I. abjecta (10) 



§§ Cap larger (2— 3 1 /, cm), dull brown (grayish 

 or subfulvous), tomentose and fibrilloso- 

 squamulose I. flocculosa (11) 



b. rimosæ-velutinæ. Cap fibrillose, when expanding 

 either rimose or almost smooth, sometimes slightly 

 innato-squamulose 



1. Spores medium-sized, over 8 n long. 



* Apex of stem at first violet or bluish. 



•J- Cap brown, somewhat rimose I. pusio (12) 



