38 NORTH AMERICAN FLORA [VoLtumE 3 
1. Chromocreopsis cubispora (Ellis & Holway) Seaver, 
: Mycologia 2: 63. 1910. 
Liypocrea cubispora Ellis & Holway, Jour. Myc. 1: 4. 1885. 
Stromata scattered, tubercular, with a free margin, more or less contracted at the base, 
often becoming substipitate,.0.5-1 cm. in diameter and the same in height, at first very bright 
lemon-yellow and appearing pruinose, the color often changing in dried specimens, the surface 
scarcely wrinkled when dry, punctate with the slightly protruding necks of the perithecia 
filled with dark-colored spores; asci cylindric; spores subellipsoid or cuboid, smoky-brown, 
with 1 or 2 oil-drops, 5-7 X 4-5, simple or occasionally obscurely 1-septate. 
On decaying wood and bark. 
TYPE LOCALITY: Decorah, Iowa. 
DISTRIBUTION : Iowa; Jamaica. 
ILLUSTRATION: Mycologia 2: fl. 20, f. 14-15. 
2. Chromocreopsis hirsuta (Ellis & Ev.) Seaver, 
Mycologia2: 64. 1910. 
Hypocrea hirsuta Ellis & Ev.; C. L. Smith, Bull. Lab. Nat. Hist. Univ. Iowa 2: 397. 1893. 
Stromata gregarious or crowded, subhemispheric, coriaceous-carnose, 2-3 mm. in diam- 
eter, discoid, obsoletely margined, brown, yellowish-white within, contracted below, centrally 
attached, clothed with brown, bristle-like, septate hairs 100-200 X44, convex or plane 
above and slightly roughened by the necks of the perithecia ; perithecia buried in the stroma, 
ovoid, about 5 mm. high; asci clavate-cylindric, swollen at the tip, 100 X 10; spores navic- 
ular-oblong or unequally ellipsoid, brown, 7-8 X 3-3.5 4. 
On bark. 
TYPE LOCALITY: Ometépe, Nicaragua. 
DISTRIBUTION: Known only from the type locality. 
3. Chromocreopsis bicolor (Ellis & Ev.) Seaver, 
Mycologia 2: 64. 1910. 
Hypocrea bicolor Ellis & Ev. Jour. Myc. 4: 58. 1888. 
Stromata gregarious or closely crowded, subpatellate or irregular from mutual pressure, 
slightly convex, 1-3 mm. in diameter, cinereous, becoming dull brownish-black, white 
within, the margin free, the upper surface wrinkled when dry and punctate with the necks of 
the perithecia; perithecia subglobose, about 0.5 mm. in diameter; asci cylindric, 70X54; 
spores l-seriate, ellipsoid, with 2 oil-drops, smoky-brown, 5 X 2-3 #. 
On decaying wood. 
TYPE LOCALITY : Manhattan, Kansas. 
DISTRIBUTION : Kansas and Missouri to Louisiana; Central America. 
DOUBTFUL SPECIES 
Hypocrea aurantio-cervina Ellis & Ev. Bull. Torrey Club 24: 458. 1897. This appears 
to be a Hypoxylon. 
6. POLYSTIGMA DC. FI. Fr. 6: 164. 1815. 
Stromata fleshy or subfleshy, effuse, bright-colored, red or yellow, phyllogenous ; 
perithecia immersed, prominent; asci 8-spored ; spores ellipsoid, simple, hyaline. 
Type species, Xyloma rubra Pers. 
1. Polystigma pusillum Sydow, Ann. Myc. 2: 167. 1904. 
Stromata borne on both sides of the leaf, seated on indeterminate, yellowish spots, 
gregarious, minute, rounded or irregular, about 1 mm. in diameter, carneous-ochraceous, 
finally brownish; perithecia entirely immersed, few (1-5 mostly 1-3) in a stroma; ostiola 
not at all or only slightly protruding; asci cylindric-clavate with the apex rotundate, shortly 
stipitate, 45-66 X 10-15; spores 1-seriate, ellipsoid, simple, hyaline, 10-12 X3.5-5 x. 
On living leaves of Andira excelsa H.B.K. 
TYPE LOCALITY: Escuintla, Guatemala. ; 
DISTRIBUTION : Known only from the type locality. 
