North American Flora: Agaricales, Agaricaceae (Vol. 10 ... - MykoWeb

32 NORTH AMERICAN FLORA [VOLUME 10
smooth, hyaline, 9-12X4-7 p; stipe equal, pale-purple, glabrous, hollow, with a fibrous-looking
rind, 6 cm. long, 1 cm. thick.
TYPE LOCALITY: Cuba.
HABITAT: Rotten logs in woods and rich soil in coffee plantations.
DISTRIBUTION: Mexico and Cuba.
DOUBTFUL SPECIES
Agaricus (Tricholoma) consobrinus Berk. & Mont.; Mont. Syll. Crypt. 99. 1856. De-
scribed from specimens collected by Sullivant on dead wood near Columbus, Ohio. Two
sporophores are preserved in the Montagne Herbarium in Paris, but they give very little idea
of what the species must have been when fresh. The spores of these type specimens are ellip-
soid, smooth, hyaline, granular, 7X5.5 ß. The species is described as umbonate, 10-13 cm.
broad, with pale-lilac surface, broad and crowded lamellae, and a subbulbous stipe 7-9 cm.
long and reaching 2 cm. thick. This would call for a plant resembling Cottybia platypkylla,
but the surface of that species could hardly be described as pale-lilac.
Agaricus (Tricholoma) mucifer Berk. & Mont.; Mont. Syll. Crypt. 99. 1856. Described
from Ohio and evidently near Melanoleuca transmutons. See note in Mycologia for March,
1914.
Agaricus (Tricholoma) reticulatus Johnson, Bull. Minn. Acad. 1: 354. 1880. Described
from plants collected in woods on Nicollet Island, Michigan. Pileus reddish, viscid, reticulate,
4 cm. broad; lamellae white; stipe bulbous, radicate, white. The types no longer exist.
44. CORTINELLUS Roze, Bull. Soc. Bot. Fr. 23: 50. 1876.
Fleshy, putrescent, solitary or gregarious, rarely cespitóse, wood-loving or terrestrial;
surface dry, conspicuously decorated with fibrils or scales, usually bright-colored; context
usually thick; lamellae sinuate or adnexed; spores hyaline, usually ellipsoid and smooth;
stipe central or slightly eccentric, fleshy; veil remaining as a vestiture on the pileus.
Type species, Agaricus vaccinus Schaeff.
Plants growing on decayed wood.
Pileus yellow or yellowish, the scales brownish.
Lamellae and context white. 1. C. decorosus. ,
Lamellae and context yellow. 2. C. decorus.
Pileus some shade of red or purple, sometimes yellowish with age; stipe
concolorous.
Pileus dark-red or purple; lamellae white to yellow. 3. C. rulilans.
Pileus bright-reddish-cinnamon; lamellae light-chestnut-colored. 4. C. cinnamomeus.
Pileus white or pale-brown.
Pileus white, with dark-umbrinous, floccose fibrils. 5. C. Glatfelteri.
Pileus pale-brown, with brown, fasciculate hairs. 6. C. hirtellus.
Plants growing in the soil.
Pileus white, 10 cm. or more broad. 7. C. grandis.
Pileus gray or grayish-brown, reaching 7.5 cm. broad. 8. C. multiformis.
Pileus some shade of red or reddish-brown.
Spores globose or subglobose, 3.5-6/4.
Pileus and lamellae pale with a reddish tint. 9. C. subrufescens.
Pileus reddish-brown; lamellae sordid-white to bay. 10. C. mutifolius.
Spores ellipsoid, 5-7 X4H5 ¡i; lamellae becoming reddish-spotted. U.C. vaccinus.
1. Cortinellus decorosus (Peck) Murrill.
Agaricus (Tricholoma) decorosus Peck, Bull. Buffalo Soc. Nat. Sei. 1: 42. 1873.
Pileus firm, at first hemispheric, then convex or nearly plane, often cespitóse, 2.5-5 cm.
broad; surface adorned with numerous brownish, subsquarrose, tomentose scales, dull-ochra-
ceous or tawny; context white; lamellae close, rounded and slightly emarginate behind, the
edges subcrenulate; spores broadly ellipsoid, 5X3.7 y.; stipe solid, equal or slightly tapering
upward, white and smooth at the top, elsewhere tomentose-squamulose and concolorous, 5-10
cm. long, 4-8 mm. thick.
TYPE LOCALITY: Catskill Mountains, New York.
HABITAT: On rotten logs in woods.
DISTRIBUTION: New York.
ILLUSTRATIONS: Ann. Rep. N. Y. State Mus. 25: pi. l,f. 1-4.