Murrill: Agaricaceae of Tropical North America 77 



Costa Rica, Oersted; Santa Cruz, Oersted; Guadeloupe, Duss; 

 Cuba, Wright, Earle 540; Mexico, Maury, W. A. & Edna L. 

 Murrill pj; Castleton Gardens, Jamaica, Earle ^jj. 



5. Naucoria corticola sp. nov. 



Pileus thin, convex to subexpanded, gregarious, 1-1.5 cm. 

 broad ; surface avelianeous-isabelline, innate-fibrillose with slight 

 tufts, resembling that of Panus stypticus, margin undulate, in- 

 curved when young ; lamellae adnate, dull-whitish to bay-fulvous, 

 broad, heterophyllous, rather distant; spores ellipsoid, smooth, 

 ferruginous, 8-9 X ASl^ ) stipe cylindric, equal, yellow, glabrous 

 at the apex, whitish-pubescent below, i cm. long, i mm. thick. 



Type collected on the bark of a dead stump at Cinchona, Ja- 

 maica, 5,000 ft. elevation, December 25-January 8, 1908-09, 

 W. A. & Edna L. Murrill 533. 



6. Naucoria cyathicola sp. nov. 



Pileus hemispheric-umbonate to convex, 7-12 mm. broad; sur- 

 face isabelline, pale-fulvous on the umbo, innate-fibrillose, mar- 

 gin entire, not striate; lamellae distant, squarely adnate, whitish 

 to pale-ochraceous ; spores oblong-ellipsoid, smooth, very pale yel- 

 lowish under the microscope, 6X3-5/^; stipe subequal, cylindric, 

 fibrillose, isabelline, cartilaginous, 2 cm. long, 1.5 mm. thick; veil 

 not evident, except in fibrils on stipe and pileus. 



Type collected on dead trunks of tree-ferns at Morce's Gap, 

 Jamaica, 5,000 ft. elevation, January 2, 1909, VV. A. & Edna L. 

 Murrill 6pp. 



7. Naucoria Earlei sp. nov. 



Pileus thin, convex to expanded or depressed, 2-3 cm. broad; 

 surface glabrous, pallid or alutaceous, margin even or slightly 

 striate; lamellae slightly adnexed, subdistant, rather narrow but 

 ventricose, pallid to fuscous ; spores ellipsoid, smooth, fuscous, 

 10-12 X 6-8/i, ; stipe cylindric, solid, firm, glabrous, pallid to 

 brownish, darker than the pileus, 3-4 cm. long, 2 mm. thick. 



Type collected on damp, bare ground, Castleton Gardens, Ja- 

 maica, October 28, 1902, F. S. Earle 230. 



8. Naucoria jalapensis sp. nov. 



Pileus thin, conic to convex, umbonate, 2.5 cm. broad; surface 

 pearly-white, slightly yellowish on the umbo, glabrous, dry, stri- 



