obtusely gibbous,
velvety-villose, dingy white or yellowish, edge appendiculate; g.
lanceolate, whitish then fuscous; s. 4-7 cm. with a separate pith which
disappears, then hollow, almost glabrous; sp. 7 x 4. (10 x 5 Sacc.)

Differs from _I. geophylla_ in larger size and hollow s.

[=cortinata=, Roll. P. campan. then exp. strongly umb. whitish
straw-colour, umb. darker, becoming rimose, white veil at margin; g.
adnato-decur. dingy ochre, edge flocculose, paler; s. white,
fibrilloso-striate, curved, ring median.

Perhaps a cortinate form of _I. sindonia_.

=Clarkii=, B. and Br. P. 2-3 cm. campan. obtuse, whitish, silky; g.
adnexed, pallid, edge white; s. 3-5 cm. nearly equal, solid, white; sp.
8-10 x 6.

Differs from _I. sindonia_ in solid s. and pale g.

=geophylla=, Fr. P. 1-2 cm. conical then exp. umb. even,
silky-fibrillose, white or lilac; g. adnexed, crowded, dingy white then
umber; s. 4-6 cm. equal, firm, apex with white meal, veil fibrillose;
sp. 7-8 x 4.

_I. scabella_ differs in brownish squamulose p.

var. _fulva_, Pat. P. rufous-ochre, edge paler; sp. 8-10 x 5.

var. _violacea_, Pat. P. violet; sp. 10 x 5.

[=commixta=, Bres. P. conico-campan. exp. umb. shining white or tinged
grey; fibrillosely silky, edge often split, dry; g. closely crowded,
free, white then greyish cinnamon; s. solid, white, equal, apex scurfy,
base minutely turbinately bulbous; sp. angular, 10 x 7.

Closely resembling _I. geophylla_, differing in base of s. and angular
sp.

[=umbratica=, Q. Shining white. P. umb. silky-pruinose; g. white then
rosy-fawn; s. flocculose; sp. rough, 8-10.

=scabella=, Fr. P. 2-3 cm. campan. then plane, dry, torn into squamulose
fibrils, umbo obtuse, even, glabrous, rufescent or yellowish; g.
adnexed, dingy; s. 3-4 cm. glabrous, rufescent or pallid, apex pruinose;
sp. rough, 10 x 7.

[=debilipes=, Karst. P. conico-convex, exp. pallid fuscous then rather
rusty, everywhere torn into scales which become stuck down, then rimose;
g. adnexed, crowded, pallid rusty, edge fuscous-crenulate; s. wavy,
pallid, spotted with minute fuscescent squamules; sp. 7-9 x 5-6.

[=confusa=, Karst. P. exp. umb. glabrous, cuticle cracked, fibrillose,
rusty, tawny yellow or bay; g. crowded, yellowish then olive; s. solid,
firm, nearly glabrous, pale; sp. 10-12 x 6.

[=inconcina=, Karst. P. exp. obtuse, even, glabrous, innately
fibrillose, rusty then pale; g. sinuato-adnate, crowded, pale olive then
rusty, edge pa