 The stem is 3 – 9 cm ( 1 @.@ 2 – 3 @.@ 5 in ) by 0 @.@ 4 – 1 cm ( 0 @.@ 2 – 0 @.@ 4 in ) , roughly equal in width throughout , often crooked , and becomes hollow with age . The color of the stem surface is lemon yellow , and it is covered with glandular dots that bruise if handled . The partial veil is not attached to the stem , and usually does not leave an ring on the stem . A whitish mycelium present at the base of the stem helps anchor the fruit body in the substrate . The flesh is mustard yellow , and stains pinkish @-@ brown when cut or bruised . 
