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505. C. mundulus Gill. {mundus, neat) abc .
P. convex, then depressed, white. St. stuffed, sometimes
excentric, white, becoming black internally at base. G.
crowded, whitish salmon. Flesh white.
Taste bitter ¡ odour none. Woods, amongst leaves; uncommon. Autumn.
' |X |X A ia - In var. nigrescens Sacc. the flesh becomes wholly black.
505a. C. Sarnieus Mass. (after the place of finding—Sarnia, the
Roman name for Guernsey) a.
P. campanulate, plane, subumbonate, often more or less depressed
round the um., slightly striate when moist, even when dry,
minutely silky-flocculose, mouse-colour or grey, paler with a
ruddy tinge when dry. St. minutely fistulöse, equal, sub-
flexuous, even, glabrous, white. G. subcrowded, plane nearly
to the stem, then suddenly decurrent, pinkish-salmon. Flesh
very thin.
Cn the ground, in Guernsey. X iJ X A Allied to 505.
506. C. popinalis Gill, (from its edible qualities; popina, a cookshop)
abc .
P. convex, subumbonate or depressed, ashy or dull slate. St.
stuffed, paler than P. G. crowded, grey or brown, becoming
reddish.
Solitary or gregarious. Odour of new meal or rank and strong. Downs,
fields, grassy roadsides. Aug.-Oct. 2f X i j X J in.
507. C. undatus Gill, (from the undulate pileus) abc.
P. expanded, depressed, sometimes much lobed, sometimes with
a papilla, dull ashy or tan-ochreous. St. hollow, colour as P.
or paler, faintly salmon-shaded. G. not crowded, salmon,
sometimes reddish.
Odour none. Downs, etc. Oct. i f X I f X J in.
508. C. eanerinus Quél, (from the frequently cracked pileus ; cancer,
a lattice) abc.
P. hemispherical, depressed, dry, at length shining and silky
fibrillose, whitish. St. stuffed or fistulöse, colour as P. G.
distant, flesh-colour.
Odour none. Pastures. July-Oct. i j X i f X J.
509. C. eretatus Sacc. (from the colour of the pileus ; creta, chalk)
abc .
P. lobed, umbilicato-depressed. St. excentric, tomentose, colour
as P. G. rose.
Solitary or gregarious. Woods, pastures ; uncommon. Oct. ä X i X A in
Resembles a small 504.
b. Seficellæ.
510. C. earneoalbus Gill, (from the flesh-coloured gills and white
pileus ; caro, flesh, albus, white) abc.
P. convexo-plane, subdepressed, white, faintly greyish or rufescent.
St. stuffed or hollow, white. G. subdistant, flesh-colour.
Gregarious. Odour none. Woods, heathy piaces. Sept. i f x 2 X A iu.
511. C. vilis Gill, {vilis, insignificant) abc.
P. convex, depressed, grey. St. fistulöse, colour as P. G.
crowded, pale salmon.
Downs, amongst moss. July-Aug. i j x 2§ x J in.
512. C. stilboeephalus Sacc. (from the sparkling pileus; Gr. stilbo,
to glisten, kephale, a head) a b.
P. campanulate, obtuse or umbonate, whitish or greyish ; um
and marg. sometimes ochreous. St. hollow, pale greyish,
pallid below. G. sinuate, veined, salmon.
Odour of new meal. Aug.-Oct. i f X X J in.
513. C. straminipes Sacc. (from the straw-coloured stem ; stramen,
a straw, pes, a foot) a b.
P. expanded, depressed, subumbonate, glabrous, shining-silky,
whitish or faintly ochreous. St. hollow', white-farinose above.
G. salmon.
Among grass. Sept. 2 X 2 x J in. Very fragile.
XVII. LEPTONIA Quél.
(From the slender growth; Gr. lepos, slender.)
Veil indicated by fibrilte, scales, dots on stem, etc. Hynu
confluent with but heterogeneous from the cartilaginous stem.
Pileus thin, umbilicate or with a dark middle, cuticle fibrillose or
separating into darker scales; margin at first incurved. Stem central.