Chapter II: TERGINI. Stem rooting, distinctly tubular, not fibrous,

evidently cartilaginous. Gills becoming free._

* _Stem woolly below, glabrous above._

=prasiosmus=, Fr. Smell of garlic. P. 1.5-2 cm. pale yellow or whitish disc, often darker, wrinkled, g. adnexed; s. 4-7 cm. pallid and glabrous above, thickened and subtomentose below and brownish; sp. 14-15 x 7.

Differs from _M. porreus_ in white gills and estriate pileus.

=varicosus=, Fr. P. 1.5-3 cm. reddish brown, plane or depr. wavy, subumb. darker when dry; g. closely crowded, very narrow; s. 5-8 cm. reddish, with red juice, base with reddish down; sp. 4 x 3.

=fuscopurpureus=, Fr. 2-2.5 cm. exp. often umbilicate, purplish brown then pale; g. attached to collar then free, tinged reddish; s. 2.5-7 cm. dry, dingy purple, base with reddish down; sp. 4-3.

=terginus=, Fr. P. 1.5-2.5 cm. exp. obtuse, shining, reddish, then pale, striate at margin; g. narrow, free; s. 5-8 cm. glabrous, shining, pallid, reddish below with white down, rooting; sp. 6-7 x 4.

Much like _M. prasiosmus_ and _M. porreus_, differing from both in absence of smell.

[=gelidus=, Q. P. campan. exp. thin, rugosely striate, pruinose, translucent; g. free, hyaline or tinged rose; s. filiform, striate, pruinosely-pubescent, base cottony, recurved; sp. 7-8.

[=putillus=, Fr. P. rufescent then tan; g. rufous, margin paler, entire; s. short, rufescent, abrupt base with white down.

[=carpathicus=, Kalchb. P. exp. subumb. rather viscid, brownish, hygr. edge striatulate; g. rotundato-adnexed, pallid; s. even, naked above, pallid, rest bay, white downy base rooting.

** _Stem (at least when dry) everywhere pruinosely velvety._

=Wynnei=, B. and Br. P. 2.5-4 cm. soon plane, subumb. lilac-brown; g. adnexed, lilac; s. 3-6 cm. paler than p., scurfy; 7-8 x 4.

=erythropus=, Fr. P. 2-3 cm. obtuse, even, then rugulose, pallid; g. broad, lax, pallid, connected by veins; s. 5-8 cm. hollow, striate, glabrous, dark red, base with white down; sp. 8-10 x 5-6.

Differs from _Collybia acervata_ by the broad distant gills.

[=dispar=, Fr. P. subumb. whitish, margin striate; g. nearly free, crowded, narrow; s. purplish-brown, pruinose, base with white down.

=archyropus=, Fr. P. 1.5-2.5 cm. plane or depr. glabrous, pallid; g. crowded, linear, pallid; s. 6-10 cm. rigid, straight, pale rufescent, coated with white down, base similar; sp. subgl. 4-5.

Differs from _M. terginus_ in tufted habit, and from _M. prasiosmus_ in absence of smell.

=torquescens=, Q. P. 1-1.5 cm. plane, rugosely striate, pallid; g. free; s. 4-5 cm. brown, minutely velvety, apex pale and glabrous; sp. 5 x 4.

=impudicus=, Fr. Smell foetid. P. 1.5-2.5 cm. rugulosely striate, reddish bay, then pale; g. tinged red then pale; s. 3-5 cm. equal, purplish, covered with white down when dry, base naked, rooting; sp. 8 x 4-5.

Differs from _M. foetidus_ in free gills.

[=saxatilis=, Fr. P. depr. striate, reddish; g. adnate, white; s. glabrous, apex pruinose, reddish.