Jakob E. Lange: Studies in the Agarics of Denmark. II. 37 



* Veil on young cap forming a felty coating that soon 

 breaks up into patches. 



f Cap large (5 cm or more high) C. picaceus (5) 



f f Cap smaller (rarely over 3 cm). 



c Spores 8 — 10 n long C. aphthosus (6) 



° Spores 11 — 1.") n long. 



§ Stem glabrous; gills soon black . . C. Rostrupianus (7) 

 §§ Stem villoso-tomentose; gills brownish . . C. velatus (8) 



* Veil on young cap forming squarrose, fibrous scales. 

 f Medium-sized fungi (cap 1 — 3 cm high). 



° Stem very fragile, woolly; cap membranaceous, 



splitting, edge upturning C lagopus (9) 



| Stem rather firm, somewhat scaly, rooting; cap 



somewhat fleshy C. funetarius (10) 



fj Very small (cap 0,2 — 0,5 cm high) C. radiatus (11) 



2. phæospori Sporepowder dark brown, spores (sub. micr.) 

 translucid, date-brown, (conf. no. 8). 



* Veil formed of cylindric cells (with irregular branch- 

 lets), soon pealing off. 



f Spores triangular-subrotund, somewhat flattened 



C. Friesii (12) 

 ff Spores broadly oval C. phceosporas (13) 



* Veil dimorph: formed of cylindric, unbranched cells 

 above and globular cells below, soon breaking up into 

 minute granules C. domesticus (14) 



B. Farinosi. Young cap covered with meal or glistening particles 

 (formed of globular cells). (Conf. no. 14). 



a. annulati. Stem with a free ring C. ephemeroides (15) 



(3. exannulati. Stem devoid of ring. 



a. vestiti. Veil forming a rather thick coating on surface of 

 young cap. 

 1. Veil forming a continuous layer of loose meal. 



* Spores small (6 1 /, — 8 n long), broadly lemon-shaped or 

 roundish snbcordate. Cap very minute (2—4 mm high) 



C. cordisporus (16) 



| Spores larger, or oval. 



f Veil snow-white. Spores large, (12 — 18 n long) . C. niveus (17) 

 ff Veil grayish or dirty white. Spores smaller (8—13 n 

 long). 

 ° Cap (when bruised) with a nauseating, foetid smell. 



No sclerotia C. narcoticus (18) 



% Smell faint or none. 



§ Medium-sized (cap 1—2 cm high). Generally 



springing from small, black Sclerotium C. stercorarius (19) 

 §§ Small (cap 1 cm high or less). No sclerotia. 



> Cap 2—3 mm high (grows on cow-dung) C velox (20) 

 » Cap 3—10 mm high (grows on the ground 



among dead foliage, twigs etc.) . . . C. corlinatus (21) 



