Chapter IX: INSITITIAE. Stem very slender, not rooting nor attached by a

disc but penetrating the substratum abruptly. Gills adnate._

=corticola=, Fr. P. 3-6 mm. obtuse, umbil. sulcate, blackish, brown, grey, &c.; g. adnate, broad; s. 1.5 cm. slender, incurved, minutely scurfy; sp. ----.

=hiemalis=, Osbeck. P. 4-7 mm. camp. umb. striate, pinkish, rufescent, white, &c., often pruinose; g. narrow; s. 2-3 cm. curved, base downy; sp. 7-8 x 3.

Differs from _M. corticola_ in narrow gills, and striate not sulcate pileus.

=codoniceps=, Cke. P. 2-3 mm. high and 1.5 mm. broad, pale umber, not exp. sulcate, delicately hairy; g. adnate; s. 4-7 mm. umber below; sp. 5 x 2.5.

=setosa=, Sow. White. P. 1 mm. obtuse, smooth, g. almost free; s. 2-3 cm. slender, covered with delicate spreading hairs; sp. ----.

=capillaris=, Fr. White. P. 2 mm. camp. obtuse, then umbil.; g. adnate, few; s. 1.5-2.5 cm. hair-like, wavy, glabrous; sp. 7-8 x 4.

[=stipularis=, Fr. Very minute and delicate. P. convex subumbil. rosy, as are also the gills; s. downy, yellowish.

=juncicola=, Fr. P. 2-3 mm. striate, glabrous, rufescent or rosy; g. adnate, distant; s. 1-1.5 cm. glabrous, fuscous; sp. ----.

COLLYBIA, Fr.

A. _Gills white or clear coloured, not grey; flesh white._