1919^ The Hyda^ums of North Carolina 165 



No strong odor of fenugreek, etc., and not fetid. 



Color a deep orange salmon on younger parts. . .Hydnellum flori- 



forme (5) 

 Color not orange salmon. 



Texture homogeneous, fleshy and soft 

 throughout, size medium to large. 



Cap scaly; stem tapering to a small root. 



Base of stem white Hydnuvi Undericoodii 



(6), (nid Hydnum 

 Murrillii (8) 



Base of stem greenish Hydnuvi fuligineo-vio- 



lacetim (7) 



Cap scaly; stem not as above Hydnuvi imhrica- 



tum (3) 



Cap densely tomentose or strigose Hydnum cristatum (4) 



Cap smooth, pale flesh color Hydnum scahripes (5) 



Cap smooth, buff color Hydnum. repandum (1) 



Cap smooth, white Hydnum albo- 



magnum (2) 



Cap smooth, pale rose Hydmim roseolus (9) 



Cap smooth, smoky olive when dry Hydnum fumosus (10) 



Texture nearly homogeneous, tough, fibrous, 

 flexible when fresh; plants small, cinnamon 

 or chestnut brown when dry. 



Margin pink or white when growing; dis- 

 tinctly zonate. 

 Margin usually pinkish when fresh, 



spores brown, roughly tuberculate. .Hyd7ieUum zonatum (4) 

 Margin whitish when fresh, spores 



white, echinulate Phellodon tomen- 



tosus (3) 

 Margin not pink or white, scarcely zo- 

 nate, center with rough asperities, sur- 

 face felted-tomentose Hydnellum scroMcu- 



latum (3) 

 Texture homogeneous, half-fleshy, toughish; 



plants rather large, color not as above. .. .Hydnellum humi- 



durn (7) 

 Texture distinctly duplex, a soft, spongy 

 outer layer and a firm, tough inner layer. 

 Hard core of stem and cap black; spores 



white Phellodon alhoniger (2) 



Hard core of stem and cap not black; 

 spores brown. 



Cap cinnamon brown or umber. 



Cap convex or plane Hydnellum reluti- 



num (2) 

 Cap depressed to infundibuliform.i/y/rfjicZ/MHi Xuttallii* 

 Cap buff or tan. 



Plant heavy and compact Hydnellum ferni- 



(/ipes (6) 



Plant light and slender Hydnellum carolin- 



id n u m ( 7 ) 



''See foot-note, page 183. 



