L. hysginus Fr. Tan color or brownish red, viscid, margin indexed ; 
gills whitish, becoming cream colored ; stem hollow or stuffed ; spores 
yellowish white ; acrid. 
L. insulsus Fr. Viscid, more or less zonate, yellowish; gills whitish or 
pallid ; stem hollowish, spotted ; acrid. 
L. glyciosmus Fr. Generally with a small umbo, minutely squamulose, 
grayish or brownish, with perhaps a tinge of pink; gills whitish or 
yellowish; stem generally stuffed; acrid or bitterish; with an agreeable 
smell. 
L. helvus Fr. Var. aquifluus , Pk. Fragile, dry, subumbonate, silky or 
slightly scaly, pale or grayish red; gills decurrent, close, whitish 
ochraceous; stem soon hollow, slightly striate at the top; flesh often 
tinged with pinkish ; milk sparse, watery, subacrid or mild; with an 
aromatic scent when dry. Mossy wet ground. 
L. vellereus Fr. White or whitish, velvety, soft to the touch, margin 
involute then reflexed; gills rather distant, becoming cream colored; 
stem tapering downward, pubescent; acrid. Common. 
L. piperatus Fr. White, glabrous; distinguished easily from the last 
by its crowded narrow gills; intensely acrid. Common. 
L. exsuccus Smith. Resembles L. vellereus, but is brittle and juice less ; 
stem very short; gills shaded with verdigris. 
L. pyrogalus Fr. Generally zonate, ashy-brown, or lilac-brown; gills 
rather distant, yellowish ; spores yellowish ; acrid. 
1 fuliginosus Fr. Dry, cap and stem smoky or buff-gray, with a dingy 
pruinosity; gills rather distant, stains pinkish; stem firm, stuffed ; spores 
yellowish ; tardily acrid. Thin woods, etc. 
L. Gerardii Peck. Dry, umbonate, wrinkled, dingy brown ; gills 
distant, whitish ; spores white ; mild. E. 
L. lignyotus Fr. Similar to the last two but darker, almost sooty in 
appearance; wounds slowly turn salmon color; tardily acrid. Swamps, etc. 
I., voletnus Fr. Firm, dry, orange brown, varying to brown-red, or pale 
cream color, gills close, yellowish, staining brown; stem solid, colored 
like the cap; milk copious, mild. Common. E. 
L. kygrophoroides B. & C. Easily mistaken for the last, which it 
resembles in every way except that the gills are far apart. Common. E. 
L. luteolus Peck. Yellowish cream color, covered at first with a white- 
*sh pruinosity, margin incurved at first; stem solid, short; gills staining 
dark brown or almost black; milk very copious, flowing at the slightest 
touch; flesh when cut turning grayish lilac and then darker; mild. Dry, 
rocky, wooded hillsides. Common about Boston. 
L. corrugis Peck. Rugose, velvety, dark reddish brown or chestnut; 
gills creamy or light cinnamon, staining brownish; stem solid, paler 
than the cap ; milk copious ; mild. On the edges of the gills are numer¬ 
ous spicules. Thin woods. 
L. camphoratus Fr. Thin, with a small umbo, glabrous, brownish red; 
gills thin, close, yellowish or reddish; stem stuffed or hollow; mild; 
smell agreeable, more distinct in the dried plant. E. 
/,. subdulcis Fr. Pileus thin, generally with an umbo or papilla, 
glabrous, even, of various shades of dark red; gills thin, close, whitish 
sometimes tinged with red; stem slender, sometimes villous at the base; 
mild, or slightly acrid, or bitterish ; flesh often pinkish or reddish gray. 
Common everywhere and very variable. E. 
1 hese abridged descriptions are taken mainly from the synopsis of New York species by 
C. H. Peck, in the 38th Report of the N. Y. State Museum. 
HOLLIS WEBSTER, Secretary. 
Cambridge, Aug. iS, 1897. 
