Part 6, 1916] AGARICACHAE 391 
Stipe yellow-floccose at the apex. 
3. H. mugnaius. 
Stipe red-dotted at the apex, at least when dry. 4. H. glutinosus. 
Pileus white or whitish on the margin, and some shade of yellow, red, or brown 
on the disk. 
Pileus pale-yellow at the center, rarely reddish-yellow. 5. H. flavodiscus. 
Pileus reddish at the center; stipe 3-5 em. long. 6. H. serotinus. 
Pileus usually reddish or brown-spotted at the center; stipe 5-10 cm.tong. 7. H. Laurae. 
Pileus brownish at the center, with innate, blackish fibrils. 8. H. virgatulus, 
Pileus covered with yellow or brown gluten; lamellae greenish-yellow when 
old. . : 9. H. paludosus. 
Pileus and lamellae violaceous. 10. H. subviolaceus. 
Pileus some shade of red; lamellae white. 
Pileus scarlet, 2.5-6 cm. broad. 1l. H. speciosus. 
Pileus pale-incarnate, 5-12 em. broad. 12. H. pudorinus. 
Pileus yellawish-olive or tawny to fuliginous; lamellae yellow at maturity. 13. H. hypothejus. 
II. SPECIES OCCURRING ON THE PACIFIC COAST 
Pileus white. 1. H. jozzolus. 
Pileus roseous to incarnate. 14. H. fragrans. 
Pileus pale-pinkish-brown toward the margin, darker brown at the center. 15. H. roseibrunneus. 
Pileus yellowish-olive, ferruginous, or fulvous. 
Lamellae white or cream-colored to yellow, not changing on drying. 13. H. hypothejus. 
Lamellae white at maturity, changing to yellowish-brown on drying. 16. H. variicolor. 
III. SPECIES OCCURRING IN TROPICAL NorTH AMERICA 
Pileus pale-fuscous when young, becoming paler except on the disk, 3-4 cm. 
broad. 17. H. subpratensis. 
Pileus stramineous to isabelline with a testaceous tint, 2.5 cm. broad. 18. H. montanus. 
.1. Hygrophorus jozzolus (Scop.) Murrill. 
Agaricus jozzolus Scop. Fl. Carn. ed. 2,2: 431. 1772. 
Agaricus lacteus Schaeff. Fung. Bavar. 4: Ind. 19. 1774. 
Agaricus eburneus Bull. Herb. Fr. £1. 551, f. 2; byponym. 1791; Pers. Syn. Fung. 364. 1801. 
Hygrophorus eburneus Fries, Epicr. Myc. 321. 1838. ' 
Clitocybe albicastanea Murrill, Mycologia 5: 206. 1913. 
Pileus fleshy, moderately thick, sometimes thin, convex to expanded, 3-8 cm. broad; 
surface very viscid or glutinous, completely covered with a coating of gluten, entirely white 
or with a yellowish tint: context having a mild and not unpleasant odor; lamellae strongly 
decurrent, distant, with vein-like elevations near the stipe: spores ovoid, granular, 6-10 X 5- 
6 uw: stipe spongy to stuffed within, sometimes hollow and tapering toward the base, 6-15 cm. 
long, 3-8 mm. thick. 
TYPE LOCALITY: Carniola. : 
Hasirat: On the ground in deciduous or coniferous woods or in partially shaded places. 
DIstRIBUTION: Throughout temperate North America; also in Europe. 
ILLUSTRATIONS: Atk. Stud. Am. Fungi f. 113; Bull. Herb. Fr. 91.551, f. 2; L. Dufour, Atl. Champ. 
pl. 19, f. 41; Gill. Champ. Fr. pl. 122 (335); Mycologia 6: pl. 131; Ricken, Blatterp. Deutschl. #l. 6, 
t. 5; Schaeff. Fung. Bavar. pl. 39 (as A. lacteus). 
2. Hygrophorus sordidus Peck, Bull. Torrey Club 25: 322. 1898. 
Pileus broadly convex to subplane, 5-10 em. broad; surface glabrous, subviscid, white, 
margin strongly involute, then expanded or reflexed: context firm when young, tough when 
old; lamellae adnate or decurrent, subdistant, white or cream-white: spores ellipsoid, 6.5—7.5 
X 4-5 w: stipe short, firm, white, solid, 5-10 cm. long, 1-2 cm. thick: veil cobwebby in young 
hymenophores. 
TYPE Locatity: Tacoma Park, District of Columbia. 
Hasirat: In pine woods. 
DistRiButIon: Southern New York to the District of Columbia and west to Ohio. 
ILLUSTRATION: Hard, Mushrooms f. 176. 
3. Hygrophorus mugnaius (Scop.) Murrill. 
Agaricus mugnaius Scop. Fl. Carn. ed. 2. 2: 429. 1772. 
Agaricus chrysodon Batsch, Elench. Fung. Contin. 2:79. 1789. 
Hygrophorus chrysodon Fries, Epicr. Myc. 320. 1821. 
Pileus fleshy, convex-plane, 4-6 cm. broad; surface viscid, floccose, white, margin involute: 
lamellae distant, rather thin, becoming crisped, white: spores ellipsoid, hyaline, 8-9 X 4-5 yu: 
