122 NORTH AMERICAN FLORA [VOLUME 9 
text punky, zonate, isabelline to umbrinous above, dark-fulvous to bay below, 5-10 mm. 
thick ; tubes perennial, 5-10 mm. long each season, avellaneous within, mouths angular, 4 
to amm.,, citrinous-melleous, becoming darker with age, umbrinous when bruised, entirely 
covered at first with a creamy-white powder, which easily rubs off on the fingers, edges 
acute, entire: spores ovoid, brown, 9X5y; hyphae 4“: stipe short, often obsolete, sub- 
cylindrical, excentric to lateral, 2-3 < 2-3 cm., expanding above, surface laccate, glabrous, 
bay to nearly black, darker than the pileus, context punky, dark-fulvous. 
Type collected in Grenada, West Indies, on dry manchineel, September 4, 1905, HE. 
Broadway. 
DISTRIBUTION: Grenada. 
14. Ganoderma stipitatum Murrill. 
Fomes stipitatus Murrill, Bull. Torrey Club 30: 229. 1903. 
A plant of medium size with short evanescent lateral stipe, shining reddish-chestnut 
crust, and broad white thin margin. Pileus exceedingly hard and horny, flat and triangular 
or somewhat circular when young, becoming dimidiate with ungulate center and thin spread- 
ing margin, which is usually lobed and often deeply cleft, hymenium normally plane, 
but frequently convex because of the upturned margin, 5103 cm.; surface glabrous, 
varnished, reddish-chestnut, with numerous shallow concentric furrows, becoming shining- 
black and at length dull smoky-brown ; margin broad, flat, glabrous, obtuse, 3 mm. thick, 
crenate to cleft, sterile portion 0.5 cm. wide, white: context hard, woody, 0.5-1 cm. thick, 
pale-ochraceous, with strands of dark-brown shining horny substance extending from the 
stipe to the margin in a tree-like fashion; tubes plainly though unevenly stratified, 2-4 
mm. long each season, 4-5 toa mm., grayish-brown within, mouths circular, white or very 
pale-yellow, edges thick, obtuse, entire: spores broadly ovoid with attenuate base, light 
yellowish-brown, smooth, 3.55: stipe lateral, 11 cm., cylindrical, equal, glabrous, 
shining-black to dull-brown, with substance like the context, apparently absorbed or 
overgrown as the pileus enlarges. 
TYPE LOCALITY: Nicaragua. 
HasitTat: Dead wood. : 
DISTRIBUTION: British Honduras ; Nicaragua; Costa Rica; Grenada. 
15. Ganoderma subincrustatum Murrill, sp. nov. 
Pileus corky, circular to fan-shaped, plane above, 4-8 X 6-8 & 1-2 cm.; surface glabrous, 
shallowly sulcate, slightly zonate, laccate, lustrous, yellowish-red to bay or dark-brown ; 
margin cream-colored, sterile, finely tomentose, obtuse to subacute, undulate to lobed: 
context punky to soft-corky, slightly zonate, homogeneous, isabelline, slightly darker next 
to the tubes, fulvous with age, 1 cm. thick; tubes annual, 3-5 mm. long, avellaneous 
within, mouths circular to slightly angular, whitish-stuffed, 4 to a mm., edges obtuse, 
entire, stramineous, becoming thinner and very pale-avellaneous: spores ellipsoidal, dark- 
brown, 8X4; hyphae brown, 5: stipe central to lateral, cylindrical, subequal, 1-5 cm. 
long, 1-2 cm. thick, resembling the pileus in surface and context, but almost black in color, 
+ Type collected at Hope Gardens, Jamaica, on a logwood stump, October 26, 1902, #. S. Earle 
DISTRIBUTION: British Honduras and Jamaica. 
16. Ganoderma argillaceum Murrill, sp. nov. 
Pileus corky, dimidiate to circular, plane above, usually convex below, 5-10 & 8-12 « 
2-4 cm.; surface glabrous, rugose, not conspicuously marked, laccate, but not lustrous, 
avellaneous to dull chestnut-colored; margin cream-colored, broad, subobtuse to acute, 
straight, entire: context punky, concentrically banded, isabelline above, fulvous below, 
5-10 mm. thick ; tubes annual, 5-10 mm. long, avellaneous within, mouths angular, 3-4 to 
amm., edges thin, subentire, white to avellaneous, reddish-brown when bruised : spores 
ovoid, dark-brown, 12 7; hyphae 4: stipe central to lateral, short, often wanting, 
