74 NORTH AMERICAN FLORA [Volume 10 



8-14 cm. long, 1-2 cm. thick; annulus superior, double, radiate-striate above, whitish-buff 



beneath, persistent; volva slight, whitish-buff, fragile, evanescent, the fragments sometimes 



partly adhering to the bulb but never seen on the surface of the pileus. 



Typb locality: Natick Swamp, Massachusetts. 

 Habitat: Among mosses in swampy places. 

 Distribution: Massachusetts. 

 Illustration: Bull. N. Y. State Mus. 139: pi. W. 



18. Venenarius russuloides (Peck) Murrill, Mycologia 5: 77. 1913. 



Agaricus (Amanita) russuloides Peck, Bull. Buffalo Soc. Nat. Sci. 1: 41. 1873. 



Pileus convex to expanded, 4—6 cm. broad; surface pale- yellow, at first decorated with a 



few white volval fragments, becoming glabrous and viscid, margin tuberculate-striate; lamellae 



broad, crowded, white, narrowed behind; spores ellipsoid, smooth, hyaline, 10X7-8 ju; stipe 



equal or slightly tapering above, bulbous, white, smooth, glabrous, firm, stuffed, 5-8 cm. 



long, 0.5-1 cm. thick; annulus thin, white, subevanescent ; volva white, fragile, subappressed 



to the globose bulb, the margin entire or dentate. 



Type locality: Greenbush, New York. 



Habitat: Grassy ground in open woods or groves. 



Distribution: Massachusetts, New York, North Carolina, and Michigan. 



19. Venenarius Frostianus (Peck) Murrill, Mycologia 5: 76. 1913. 



Agaricus muscarius minor Peck, Ann. Rep. N. Y. State Cab. 23: 69. 1872. 

 Agaricus Frostianus Peck, Ann. Rep. N. Y. State Mus. 33: 44. 1883. 

 Amanita flavoconia Atk. Jour. Myc. 8: 110. 1902. 



Pileus thin, convex to expanded, plane or slightly umbonate, 3-8 cm. broad; surface 



viscid, adorned with fioccose, yellow fragments of the volva, often becoming entirely glabrous, 



chrome-yellow to orange-yellow, slightly darker in the center, margin smooth or slightly 



striate; lamellae free, rounded at both ends, subdistant, white or yellowish; spores globose or 



ovoid, smooth, hyaline, 6-10^ long; stipe slightly tapering upward from the bulbous base, 



white or yellowish, smooth, flocculose, stuffed, 6-13 cm. long, 0.4-1.5 cm. thick; annulus 



membranous, delicate, easily torn away, pale-yellow to chrome-yellow; volva yellowish, 



usually entirely friable, rarely slightly margining the bulb. 



Type locality: New York. 



Habitat: Woods. 



Distribution: New Brunswick to Alabama and west to Wisconsin. 



Illustrations: Atk. Stud. Am. Fungi pi. 1, f. 2; Mcllv. Am. Fungi pi. 10, f. 5; Mycologia 5: 



pi. 87, f. 5. 



Venenarius 



450. 1909. 



Agaricus muscarius I,. Sp. PI. 1172. 1753. 

 Amanita muscaria Pers. Syn. Fung. 253. 1801. 



Pileus globose to convex, at length nearly plane, 8-20 cm. broad; surface slightly viscid 

 when fresh, red or orange to yellow, rarely paler, adorned with numerous whitish or yellowish 

 warts, margin slightly striate; context white, yellow under the pellicle, extremely poisonous; 

 lamellae white, rarely pale-yellowish, rather broad, reaching the stipe and forming slight 

 decurrent lines upon it; spores subglobose to ellipsoid, 9-12X7-9 /a; stipe subequal, white or 

 pale-yellowish, stuffed or hollow, usually rough with concentric, margined scales adnate to 

 the bulbous base, 8-25 cm. long, 2-3 cm. thick; annulus superior, large, membranous, per- 

 sistent, white; volva white or yellowish, usually entirely fragile, rarely slightly margining the 



bulb. 



Type locality: Europe. 



Habitat: In woods and thickets. 



Distribution: Throughout temperate regions. 



Illustrations: Ann. Rep. N. Y. State Mus. 48: pi. 42; Atk. Stud. Am. Fungi pi. 1, /, 1, /. 

 52-54; Bres. Funghi Mang. pi. 6; Bull. Herb. Fr. pi. 122; Cooke, Brit. Fungi pi. 117 (5); Dufour, 

 Atl. Champ, pi. 3; Fries, Sv. Aetl. Svamp. pi. 1; Gibson, Edible Toadst. pi. 4; Gill. Champ. Fr. 

 pi. 8 (12); Krombh. Abbild. pi. 9; N. Marshall, Mushr. Book pi. 3; Richon & Roze pi. 1; Schaeff. 

 Fung. Bavar. pi., 27; Vitt. Descr. Funghi Mang. pi. 5; Mycologia 5: pi. 85, pi. 87, f. 3. 



Exsiccati: Herpell, Prap. Hutpilze 1; Karst. Finl. Fungi 201; Shear, N. Y. Fungi 3, 101; 

 Sydow, Myc. Mar. 618, 1004, 1005, 1006, 1007, 1008; D. Sacc. Myc. Ital. 801. 



