114 MINNESOTA MUSHROOMS 



spore-bearing surface is smooth or merely wrinkled. The texture ranges from more 

 or less fleshy to leathery or woody, though it is usually leathery or paperv. The caps 

 are central-stemmed, shelf-like or mere leathery layers. With the exception of the 

 first genus, the forms are too tougli to be of value. 



KEY TO TIIK (iKXKU.V 



Pago 



1. Cap funnel-shaped, stalked, fleshy Craterellus 114 



2. Caj) funnel- to fan-shaped, leathery Thelephora 115 



3. Cap shelf-like or a mere layer (in our forms) 



a. Cap shelf-like Stereurr. 116 



b. Cap a layer Corticium 117 



CKATKIJELLCS 



Cap funnel-form, more or less fleshy, stalked. The under surface is more or 

 less ridged or wrinkled longitudinally, or in some cases nearly smooth. Closely 

 related to C a n t h a r e 1 1 u s among the gill fungi, but the vein-like gills are very 

 much less distinct or lackiiig. All our si)ecies are edible. The name refers to the 

 funnel-like cap. 



Key to the Species 



1. Stem stuft'ed: cap yellow t)r yellowish C. rantharellus 



2. Stem hollow 



a. Cap brownish black; spores ellipsoid C. coniiicopioidcs 



b. Cap brownish ; sjjores globoid C. dubiiis 



Craterellus cantharellus Yellow Craterellus 



Cap 3-7 cm. wide, yellow or yellowish, or somewhat pinkish, smooth, tough- 

 fleshy, funnel-shaped: stem 2-7 cm. by 6-10 mm., yellow, smooth, solid or stuffed; 

 h y m e n i u m more or less ridged or wrinkled, yellow ; spores yellowish, ellipsoid, . 

 7-10 X 5-6/^. The name refers to the great resemblance to C a n t h a r e 11 u s. 



( )n ground in woods: excellent. 



Craterellus cornucopioides Horn-of-Plenty 



Cap 5-8 cm. wide, gray-soot-color to brownish black, somewhat scaly, tough- 

 fleshy. tuba-sha]ied : stem 3-8 cm.. l)lack or blackish, smooth, hollow, i. e.. a tube: 

 hymenium merely uneven: spores clear, clli])soid. 1 2-14 X '-S/t- The name 

 refers to the form. 



On the ground, single or clustered, in woods or openings : excellent. 



Craterellus dubius Brown Craterellus 



Cap 2-5 cm. wide, brown or brownish, slightly fibrous, tough-fleshy, tuba- 

 shaped, the margin wavv or lobed : stem 3-6 cm., brown, hollow; hymen ium 



