50 NORTH AMERICAN FLORA [VOLUME 9 
stipe lateral, concolorous, hispid-tomentose, 0.5-1 cm. long, 2-5 mm. thick, usually dilated 
at the base. 
TYPE LOCALITY: Brazil. 
HaspitTat: Fallen trunks and other decayed timber. 
DISTRIBUTION : Gulf States and tropical America. 
ILLUSTRATION: Linnaea 5: pl. 11. f. 1. 
8. Hexagona tessellatula Murrill, Bull. Torrey Club 31: 330. 1904. 
Pileus flabelliform, convex, depressed behind, 1-3 2-4 0.2 cm.; surface delicately 
and closely tessellate, finely hispid, becoming glabrous, white, yellowish when dry ; mar- 
gin thin, denticulate, slightly incurved when dry, frequently brown and hygrophanous : 
context white, membranous, translucent ; tubes decurrent, white, 2 mm. long, 4-6-angled, 
mouths 1X3 mm., at length radially confluent, edges thin, lacerate : spores ellipsoidal, 
smooth, hyaline, 2-guttulate, 3 10: stipe lateral, short, slightly enlarged below, con- 
colorous, hispid, 3-5 mm. long, 2-3 mm. thick, usually umbilicate above. 
TYPE LOCALITY: Cuba. 
Hasitat: Dead wood. 
DISTRIBUTION : Known only from the type locality. 
9. Hexagona fragilis Murrill, Bull. Torrey Club 31: 329. 1904. 
Pileus flabelliform, convex, depressed behind, 2-3 X 2-4 X 0.1-0.3 cm.; surface densely 
hispid, especially behind, faintly radiate-striate, pure white, becoming straw-colored in 
dying; margin quite thick for the genus, nearly regular in outline, usually inflexed when 
dry, partly hygrophanous at times, beset with short, fimbriate, fugacious hairs: context 
thin, white, partially translucent, quite fragile when dry; tubes decurrent, white, 2-3 mm. 
long, 4-6-angied, mouths 1 X4 mm., becoming radially confluent and gill-like, edges thin, 
lacerate, the divisions fimbriate: spores ellipsoidal, smooth, hyaline, 4-510 uw: stipe 
lateral, subequal, concolorous, hispid, short, 5 mm. long, 2.5 mm. thick, rarely umbilicate 
above. 
TYPE LOCALITY: Jamaica. 
HapitaT: Fence-posts of Chrysophylium. 
DISTRIBUTION : Jamaica. 
10. Hexagona reniformis Murrill, sp.nov. 
Pileus reniform, slightly convex, 2-4’X 2+4.5 X 0.2-0.4 cm.; surface densely tomentose, 
tessellate near the margin, pallid, yellowish-brown on drying; margin undulate, rather 
thick, entire: context fleshy-tough, membranous, white, partially translucent; tubes not 
decurrent, white, becoming yellowish-brown on drying, 1-2 mm. long, 4-6-angled, mouths 
1.5 2-2.5 mm., edges entire: spores ellipsoidal, smooth, hyaline: stipe lateral, equal, 
concolorous or lighter, tomentose, 0.5-1 cm. long, 2.5-5 mm. thick, not umbilicate above. 
Type collected on decayed deciduous wood, in hammocks near the homestead trail, Florida, 
May, 1904, 7. K. Small & P. Wilson 2067. 
DISTRIBUTION: Known only from the type locality. 
11. Hexagona subcaperata Murrill, sp. nov. 
Pileus flabelliform, convex, somewhat attenuate and depressed behind, 4-6 5-8 
X 0.3-0.5 cm.; surface distinctly tomentose, pale-ochraceous, rather coarsely checkered ; 
margin abruptly acute, entire, often brownish and much deflexed when dry: context white, 
thin, opaque; tubes decurrent, white when fresh, discolored on drying, 34 mm. long, 
mouths large and angular, 1~-1.5 & 2-2.5 mm., often radially confluent with age, much con- 
torted on drying, edges thin, lacerate, the divisions fimbriate: spores ellipsoidal, smooth, 
hyaline: stipe lateral, slightly tapering downward, lighter than the pileus in dried speci- 
mens, minutely tomentose, 1 cm. long, 5 mm. thick, neither umbilicate above nor scutate 
below. 
Type collected on dead logs at Port Antonio, Jamaica, November 24, 1902, 7. S. Earle 622. 
DISTRIBUTION : Jamaica. 
