124 C. H. Kauffman 



clavate, 48-50 x 8-9 //. 4-spored; sterile cells on edge of gills 

 large, globose-pyriform, 24-30 ^ wide. 



In thick forests of hemlock and cedar. Mt. Hood, Oregon. 

 September 30. Collected by C. H. Kauffman. 



The whole plant is pure white. The volva, although about a 

 millimeter thick on the young pileus, because of its soft texture 

 leaves only thin remnants on the stem; it is circumscissile. Be- 

 cause of the napiform bulb, one might think of it as belonging 

 to the A. solitaria group. However, the universal veil is very 

 different from those of that group; the bulb is not rooting, the 

 pileus is without warty scales, and the spores are distinctly nar- 

 rower than those of A. solitaria, while the absence of any odor 

 separates it from A. chlorinosma. 



Amanita tomentella Kromb. — In forests of hemlock and 

 cedar. See Kauffman (12, p. 607). 



Amanitopsis strangulata Fr. • — On mosses in hemlock 

 forest. Stout and massive specimens. 



Armillaria albolanaripes Atk. — In hemlock and fir forest. 



Armillaria viscidipes Pk. — For a full discussion of this 

 species see Kauffman (14, p. 62). It may reach a huge size; 

 pileus up to 20 cm. broad; stem up to 12 cm. long and 4 cm. 

 thick at apex; gills up to 15-18 mm. broad. 



Armillaria cinnabarina (Fr.) Kauff. — (See 14, p. 60.) 



Cantherellus aurantiacus Fr. 



Cantherellus cibarius Fr. 



Cantherellus floccosus Schw. 



Cantherellus infundibuliformis Fr. 



Cantherellus multiplex Underw. (See Plate V.) — I have 

 collected and studied this curious species several times. It occurs 

 in the Rocky Mountains of Wyoming and Colorado, in the 

 Olympic Mountains of Washington and in the Cascade Mountains 

 of Washington and Oregon, including Mt. Hood. It was orig- 

 inally collected at Mt. Desert, Maine. It may be looked for 

 in coniferous forests of the higher latitudes of North America 

 or in the mountains southward. Murrill (17) erected the genus 

 Polyzellus for it. It is, however, only a very extreme growth- 

 condition of C. clavatus, and typical individuals of the latter spe- 



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