te meal.

[=myosura=, Fr. P. orbicular, exp. obtuse, rufous, becoming pale; g.
free, much crowded; s. rufescent, apex powdered, root long, glabrous.

=conigena=, Pers. 1-2 cm. exp. subumb. glabrous, reddish-yellow or pale;
g. free, much crowded, pallid; s. 3-7 cm. pulverulent, pallid, base
strigose, rooting; sp. 4-5 x 3.

Differs from _C. tenacella_ and _C. esculenta_ in free, crowded, narrow
gills.

var. _lutea_, Vogl. P. yellow; g. densely crowded, white.

=cirrhata=, Fr. 1-1.5 cm. exp. at length umbilicate, silky, opaque,
white; g. adnate; s. 2-5 cm. slender, wavy, whitish, with a downy root;
sp. 4-5 x 2-3.

Differs from _C. conigena_ in adnate gills, and from _C. tuberosa_ in
downy rooting stem not springing from a sclerotium.

=tuberosa=, Bull. P. about 1 cm. white, exp. umb. even; g. adnate; s.
1.5-4 cm. thin, white, root glabrous and springing from a sclerotium;
sp. 4-6 x 2-3.

=racemosa=, Pers. P. up to 1 cm. convex, papillate, grey, subtomentose;
g. adnate; s. 3-5 cm. base dark, springing from a blackish sclerotium;
several minute stems with abortive pilei often spring from the stem; sp.
----.

III. LAEVIPES. _Stem thin, equal, fistulose, naked, glabrous
(except base), not conspicuously striate._

* _Gills broad, lax, usually more or less distant._

=collina=, Scop. P. 2-5 cm. exp. umb., brownish then pale; g. adnexed
then free; s. 6-10 cm. equal, even, glabrous, base abrupt, downy; sp.
----.

=thelephora=, Cke. and Mass. P. 2-3 cm. camp. lax, umb. apiculate,
dingy ochraceous, disc darker; g. adnate; s. 6-10 cm. equal, hollow,
glabrous, base dark; sp. 9 x 7.

=ventricosa=, Bull. P. 2-3 cm. camp. umb. glabrous, pale tan; g. with
rufous tinge; s. 6-10 cm. rufescent, base ventricose, rooting; sp. ----.

Differs from _C. dryophila_ in ventricose, rooting stem.

=leucomyosotis=, Cke. Strong scented, rather fragrant. P. 2-3 cm. exp.
grey then paler; g. adnate, sinuate, white; s. 8-12 cm. equal, brittle,
pallid; sp. 6 x 4.

=Stevensoni=, B. and Br. P. 1-1.5 cm. obtuse, viscid, pale yellow; g.
broadly adnate, broad, white; s. 2-3 cm. rufous, equal, fibrillose,
rooting; sp. 10-11 x 7-8.

Differs from _C. esculenta_ in broad, adnate gills.

=psathyroides=, Cke. Ivory white. P. 1.5-2 cm. broad and nearly 2.5 cm.
high, camp. obtuse, rather viscid; g. broadly adnate, broad; s. 6-10 cm.
equal, straight, hollow; sp. 15 x 7.

=xanthopoda=, Fr. P. 2.5 cm. exp. umb. glabrous, lax, yellow o