[=muralis=, Allesch. Smell strong, ammoniacal. P. cylindr. then campan. white then grey, covered with white floccose squamules; g. free, narrow; s. equal, hollow, floccosely scaly then glabrous, white, shining, base densely fibrous; sp. subg. 6. =lagopus=, Fr. P. cylindr. then campan. coarsely striate up to brown disc, at first with white flocci; g. free; s. 10-15 cm. everywhere with white floccose down; sp. 14-16 x 10-12. Differs from _C. narcoticus_ in absence of smell. _C. lagopoides_ differs in tomentum breaking up into scales, and g. very distant from stem. [=lagopoides=, Karst. P. campan. sulcate, disc livid, with free white scales, 4-7 cm.; g. distant from stem; s. up to 17 cm. white, floccose; sp. 6-8 x 5-6. =macrocephalus=, B. P. cylindr. then campan. striate, ashy grey, disc brownish, sprinkled with pointed scales, 2 cm.; g. free; s. 3-5 cm. dingy white, fibrillose below; sp. 11-13 x 7-8. Differs from _C. lagopus_ in dark grey p. [=tigrinellus=, Boud. P. elliptic-oblong then campan. striate, snow-white edge becoming rosy, pulverulent, with tawny flecks; g. free; s. 2 cm. white, base rather bulbous and often with blackish flecks; sp. 11 x 7. Differs from _C. Friesii_ in being at first covered with brown tomentum which breaks up into flecks. [=Friesii=, Q. P. elliptic-oblong then exp. 1-2 cm. finely striate, white apex tinged yellow, edge rosy; g. free, reddish then black; s. 2 cm. white, pulverulent, base swollen and floccose; sp. angularly glob. 10. Differs from _C. tigrinellus_ in not having a brown veil. [=cupulatus=, E. Jacob. P. subcampan. greyish yellow, with a floccose greyish white veil then pubescent, sulcate, 4-5 mm.; g. free; s. 5-7 cm. white, downy, striate, base swollen; sp. 7-8 x 6-7. =fimetarius=, Fr. P. 2-2.5 cm. clavate then conico-exp. soon splitting, disc even brownish, at first covered with squarrose floccose scales, then naked; g. free; s. 10-15 cm. white, squamulose, base solid; sp. 12-14 x 7-8. var. _pullatus_, Fr. P. with adpressed squamules, soon naked, dark; s. soon smooth. var. _cinereus_, Fr. P. floccosely mealy then naked, grey; s. rootless, hollow to base. var. _macrorhiza_, Fr. P. at first with feathery squamules; s. short, rooting. [=Queletii=, Schulzer. P. ellipsoid-conical then exp. deeply sulcate, whitish, apex glabrous tinged cinnamon, with fugacious flecks; g. free; s. white, flocculose then glabrous, ventricose below, rooting with long brown fibres; sp. 10-12 x 4-6. [=laxus=, Bres. and Schulz. P. subglobose, grey, disc yellowish cinnamon, granularly floccose; g. free; s. white, tinged brown at base, with white flecks, bending over as it dries; sp. 6-8 x 4-5. [=Albertinii=, Karst. P. campan. sulcate, greyish-white, disc brownish, with fine network of fibrils; g. free; s. white, silky-floccose; sp. 10-12 x 6.