 The gills are narrowly attached ( <unk> ) to broadly attached or <unk> . The gill spacing ranges from close to somewhat distantly spaced , with 26 – 36 gills reaching the stem ; there are additionally three or four tiers of <unk> ( short gills that do not extend completely from the cap margin to the stem ) . The gills are strongly <unk> ( possessing cross @-@ veins ) , moderately broad ( 5 – 7 mm ) , white or grayish white , soon flushed with pale pink , with even edges . The stem is 5 – 9 cm ( 2 @.@ 0 – 3 @.@ 5 in ) long , 2 – 4 mm ( 0 @.@ 08 – 0 @.@ 16 in ) thick , equal in width throughout , and with a <unk> texture . It is hollow , not hairy , either smooth or twisted with longitudinal <unk> , often with a long <unk> ( a subterranean <unk> of the stem ) at the base . The stem color is pale grayish @-@ white on the upper portion , and pale grayish @-@ black below ; the base becomes somewhat dirty brown in age , but does not develop reddish stains . 
