7 



Clavarias of the United States and Canada 19 



18. Like C. rufcscens in form, texture and color of body, but tips do not 

 become wine-color nor does the base stain rosy purple when bruised ; 

 spores much smaller, 3-4x6.6-8/* C. verna (p. 141) 



18. Shape and texture as in C. rufescens and base staining wine color when 

 bruised, but color a faint lavender-pink in body and odor strong of 

 cocoa butter.. C. cocao (p. 151) 



18. Tips pale lavender-pink when young; then pinkish cinnamon; stem dis- 

 tinct ; cinnamon-brown ; flesh when dry very friable and chalky 



C. subspinulosa (p. 133) 



18. Tips yellowish until maturity, body creamy flesh color or a clearer pink; 

 flesh not very crisp or brittle, distinctly pinkish until maturity ; when 

 dry very friable and chalky ; spores usually distinctly rough, about 

 4-6 x 8.5-12/* C. formosa (p. 127) 



18. Colors and texture when fresh about as in C. formosa (tips clear light 

 yellow, body saffron), but flesh not chalky when dry, bases very 

 slender and crowded, and spores smooth and much smaller (4-4.8 x 

 5.5-8.3/x) C. conjnnctipcs (p. 131) 



18. As in C. conjunctipes, but odor fragrant-oily and bases less slender 

 and crowded ~~C. c. var. odora (p. 132) 



18. Tips white when young; body, and tips also later, a clear yellow; flesh 

 very crisp and brittle C. flava (p. 120) 



18. Ochraceous buff to orange-buff with tint of cream above, flesh-orange 

 below; spores about as in C. botrytis C. flava var. aarea (p. 124) 



18. Clear pale yellow upward, pale fleshy cream in body, base white ; spores 

 rough, 4-4.5 x 10-11/* C. flava var. subtilis (p. 125) 



18. Deep flesh color or coral pink all over to near maturity, the tips con- 

 colorous or, when young, paler with tint of cream ; flesh crisp and 



brittle as in C. botrytis 



C. subbotrytis and var. intermedia (pp. 116, 117) 



18. Light egg-yellow or creamy pink, all parts when bruised staining deep 

 blood-red or brownish red..... .— C. sanguinea (p. 118) 



18. Entire plant whitish, becoming cream colored 



C. xanthosperma (p. 141) 



18. Fleshy yellow, tips divaricating; spores nearly smooth, 9-12.5/* long 



C. divaricata (p. 126) 



18. Pale creamy tan; flesh soft, not brittle, stem plump and distinct, odor 

 rather rancid like old ham C. secunda (p. 150) 



18. Rich buffy orange all over, the base not staining vinaceous or brown 



C. aurea (p. 142) 



18. Rich buffy orange or brownish tan with tint of pink or light ochraceous 

 yellow; stem indistinct, the pointed base easily staining brown or 

 vinaceous brown ; spores 3.7-5.3 x 7.5-13/* 



C. aurea var. australis (p. 144) 



18. Plants about 1.5-3 cm. high; color dull creamy white then olivaceous 

 yellow ; flesh turning dull pink at once when cut ; spores pip-shaped, 

 warted, 2.5-3 x 5-6.5/* C. decurrens (p. 174) 



