140 NORTH AMERICAN FLORA (VoLuME 10 
reddish, 10 X 8 y; stipe cylindric, minutely tomentose, firm, 4-6 cm. long, 3-5 mm. thick; 
annulus ample, concolorous, subapical, soon deciduous. 
Type collected on the ground at St. George’s, Grenada, West Indies, 1905, W. E. Broadway 
(herb. N. Y. Bot. Gard.). 
DISTRIBUTION: Vicinity of St. George’s, Grenada, West Indies. 
DovuBTFUL SPECIES 
Annularia Fenzlti (Schulzer) Gill. Champ. Fr. 390. 1876. (Agaricus Fenzlit Schulzer, 
Verh. Zool.-Bot. Ges. Wien 16: 49. 1866.) Reported from Kentucky and Michigan. A 
specimen so named at Albany collected in Detroit in August, 1904, by R. H. Stevens, is much 
larger than the type of Annularia sphaerospora, collected in the same locality, and does not 
show the annulus so plainly. 
61. VOLVARIOPSIS Murrill, Mycologia 3: 280. 1911. 
Volvarius Roussel, Fl: Calvados ed. 2.59. 1806. Not Volvaria DC. 1805. 
Agaricus § Volvaria Fries, Be Myc. 1: 277, 1821. 
Volvaria Gill. Champ. Fr. 1: 385, 1878. Not Volvaria DC. 1805. 
Pseudofarinaceus Batt. (rune Hist. 29, hyponym. 1755); Earle, Bull. N. Y. Bot. Gard. 5: 449, 
1909. Not Pseudofarinaceus O. Kuntze. 1891. 
Pileus fleshy, putrescent, readily separating from the stipe, solitary or gregarious; lamellae - 
free; spores pink or salmon-colored; stipe central, fleshy; veil absent; volva present. 
Type species, Agaricus volvaceus Bull, 
I. SPECIES OCCURRING IN TEMPERATE NortH AMERICA 
Species growing parasitically on other agarics. 1. V. Loweiana. 
Species growing on decayed wood, manure, or soil. 
Pileus 1-4 cm. broad. 
Pileus uniformly white. 
Stipe 2.5 cm. long. 
Pileus and stipe glabrous or minutely silky. 2. V. pusilla. 
Pileus and stipe pubescent or squamulose. 3. V. pubescentipes. 
Stipe 5-7 cm. long. 
Pileus dry, squamulose; volva elongate. 4. V. perplexa: 
Pileus moist, not squamulose; volva shallow, cup-shaped. 5. V. umbonata. 
Pileus white, slightly yellowish on the disk; volva very large, light- 
brown. 6. V. Earleae. 
Pileus gray, avellaneous, or murinous. 
Stipe 0.5-1.5 em. long. 7. V. concinna. 
Stipe 3-4 em. long. 
Pileus 2 cm. broad; spores globose. 8. V. villosovolva. 
Pileus 3-4 cm. broad; spores ellipsoid. 9. V. submyochroa. 
Pileus 6-10 em. broad. 
Species growing on decayed wood. 
Pileus glabrous, viscid. 10. V. Peckii. 
Pileus densely fibrillose, not viscid. 11. V. bombycina. 
Species growing on manure or soil. 
Pileus white; stipe 7 cm. long. 12. V. emendatior. 
Pileus white or whitish, darker on the disk; stipe 10-20 cm. long. 13. V. speciosa. 
Pileus fulvous-ochraceous, very viscid. 14. V. viscosa. 
Pileus dark-brown or fuliginous. 
Pileus glutinous. 15. V. gloiocephala. 
Pileus dry. : 
Pileus glabrous; stipe 4-5 cm. long. 16. V. alabamensis. 
Pileus appressed -fibrillose; stipe 8-14 cm. long. 17. V. volvacea. 
II. SPECIES OCCURRING IN TROPICAL NORTH AMERICA 
Pileus white or whitish, sometimes darker at the center. 
Species growing on the ground. 18. V. Earlei. 
Species growing on decayed wood. 
Pileus 5 cm. broad; stipe 3-5 mm. thick. 19. V. jamaicensis. 
Pileus 6-10 cm. broad; stipe 8-16 mm. thick 11. V. bombycina. 
Pileus dark-brown or fuliginous. 
Stipe 7 mm. thick. 20. V. cubensis. 
Stipe 10-15 mm. thick. 21. V. Bakeri. 
1. Volvariopsis Loweiana (Berk.) Murrill. 
Agaricus Loweiane Berk. in Smith, Engl. Fl. 52: 104. 1836. 
Volvaria Loweiana Gill. Champ. Fr. 386. 1876. 
Pileus fleshy, thin, ovoid or globose to campanulate and expanded, broadly umbonate, 
subcespitose, 2.5-5 cm. broad; surface dry, white, villose-silky, not striate, fimbriate on the 
