76 



Mycologia 



Type collected in humus in woods at Rio Piedras, Porto Rico, 

 June n, 1914, /. R. Johnston 1945. Also collected in the same 

 vicinity on humus in Deecmber, /. R. Johnston 135, 3485. 



5. Agaricus cinchonensis sp. nov. 



Pileus convex to nearly plane, somewhat umbonate, gregarious, 

 5 cm. broad, 1 cm. thick; surface purplish-incarnate, fibrillose, 

 fulvous on the umbo ; margin undulate, concolorous ; lamellae 

 free, crowded, ventricose, salmon-pink; spores ovoid or ellipsoid, 

 smooth, distinctly obliquely papillate at the base, dark-purplish- 

 brown, opaque, 4-5 X 3-5/^; stipe subequal except at the en- 

 larged base, nearly smooth, griseous, 5 cm. long, 8 mm. thick; 

 annulus white, membranous, persistent, attached near the middle 

 of the stipe. 



Type collected on the ground in a thicket at the edge of a field 

 at Cinchona, Jamaica, 1,500 m. elevation, December 25, January 

 8, 1908-9, W. A. & Edna L. Murrill 444. Known only from 

 the type locality. 



6. Agaricus Venus sp. nov. 



Pileus convex to plane or slightly depressed, regular, rather 

 thin, solitary, 10 cm. broad; surface mostly rose-colored, melleous 

 in some places, imbricate-fibrillose, castaneous and rimose on the 

 disk ; margin straight, concolorous, not striate ; lamellae free, 

 crowded, ventricose, salmon-pink ; spores oblong-ellipsoid, smooth, 

 obliquely apiculate at the base, purplish-brown, opaque, 5-6 X 

 3—3.5 /x ; stipe smooth and griseous above, white with chestnut 

 blotches and scales below, conspicuously bulbous, 8 cm. long, 

 1.2-2.5 cm. thick; annulus large, membranous, simple, white, 

 attached about the middle of the stipe. 



Type collected on the ground under tree ferns at Morce's Gap, 

 Jamaica, 1,500 m. elevation, December 29, 30, January 2, 1908-9, 

 W. A. & Edna L. Murrill 749^/2. Known only from the type 

 locality. This very beautiful species was discovered by Mrs, 

 Murrill, who made a colored drawing of it. 



7. Agaricus campester L. Sp. PI. 1173. 1753 



This common temperate species does not appear to be at home 

 in the tropics, at least in its typical form in the wild state. 



