WESTERN POLYPORES 15 



8. SCUTIGER Paulet 



Hymenophore simple, terrestrial, annual, mesopous, usually 

 bright-colored; surface anoderm, variously decorated; context 

 white, rarely colored, fleshy to tough, rigid and fragile when 

 dry ; hymenium porose, white or colored, tubes thin-walled; spores 

 smooth or rarely echinulate, hyaline. 



Surface of pileus uneven, squamose or rugose. 



Pileus 15-25 cm. broad. i. S. oregonensis. 



Pileus 5 cm. broad. 2. S. decurrens. 



Surface of pileus smooth, hispid-tomentose. 3. 5. hispidellus. 



i. SCUTIGER OREGONENSIS Murrill 



Pileus ascending, depressed behind, reniform, irregular, fleshy- 

 tough, solitary, 15 cm. wide, 25 cm. long, 3 cm. thick behind; 

 surface dry, dark-fulvous, uniformly and densely imbricate- 

 floccose-scaly, the ends of the scales either slightly upturned or 

 at an angle of 45, margin concolorous, fertile, lobed or undulate, 

 bay when bruised; context white, nutty, thin, fragile when fresh, 

 with the odor of musty meal when dry; tubes white, tinged with 

 sulfur-yellow when bruised, decurrent, mouths regular, thin- 

 walled, i mm. in diameter, edges uneven, toothed; spores ovoid, 

 smooth, hyaline, 8-10 X 5 M; stipe eccentric, inflated, 7 cm. long, 

 8 cm. thick, irregular, watery-white to flavous, turning sulfur- 

 yellow when bruised, resembling the pileus above at the point of 

 attachment and not reticulate behind. 



This large and handsome species was collected in November, 

 1911, on a rocky bank among giant red firs to the north of Mill 

 City, Oregon, at an elevation of 1,200 ft. Its nearest relative is 

 Scutiger retipes, known only from Alabama, from which it differs 

 in many important characters. 



2. SCUTIGER DECURRENS (Underw.) Murrill 



Pileus nearly circular in outline, plane or slightly depressed at 

 the center, centrally stipitate, 5 X 5 X 0.5 cm.; surface very 

 thinly encrusted, brown or bay, rough, imbricate-tuberculose ; 

 margin thin, concolorous, sharply inflexed when dry; context 

 white, fragile, 3-5 mm. thick; tubes white to alutaceous within, 

 about 2 mm. long, decurrent nearly to the base of the stipe, 

 mouths angular, 2 to a mm., edges rather thin, entire, slightly 

 uneven, white to isabelline; stipe bulbous at the base, tapering 

 above, reticulate, slightly darker than the hymenium, 3 cm. or 

 more long, 1-1.5 cm. thick. 



