132 
HYPOXYLON AND IT8 ALLIES. 
91. Hypoxylon leucostomum, Che. 
Convexum, subhemisphericum, atrum (2 mm. lat.) Peritheciis 
subglobosis, paucis, prominulis, ostiolo atro-impresso, annulo albo 
circumdato. Ascis cylindraceis. Sporidiis ovatis, continuis, atro- 
fuscis (-0075 x *004 mm.). 
On twigs. Panure (Brazil). 
Distinguished from its allies by the white disc round the ostiolum. 
93. Hypoxylon Ayresii, Berk, in Herb. 
Hemisphaericum, depressum, hinc illic confluens, atrum, fragile. 
Peritheciis globosis vix confertis, ostiolo punctiformi, leniter pro- 
minulo. Ascis cylindraceis. Sporidiis ellipticis, rectis curvulisve, 
fuscis, , 01- , 012 x '0045 mm. 
On bark. Mauritius. 
Usually less than a centimetre in diameter. 
95. Hypoxylon gpondylinum, Fr., Summa, V. Scan. p. 383. Nummu- 
laria spondylina, Sacc., No. 1542. 
Hemispherical, not at all resembling Nummularia. Authentic 
specimen too small for analytical examination. 
96. Hypoxylon ramosum, Schwz. (ubi ?) in Herb. Berk. 
Convexum, pulvinatum, erumpens, atrum (1 cm.) Peritheciis 
subglobosis, sparsis, atris, nec prominulis, ostiolo pertusis. Ascis 
cylindraceis. Sporidiis sublanceolatis, continuis, fuscis, rectis, 
curvulisve, *016-'018 x *0035 mm. 
On branches. Indiana, U.S. 
109. Hypoxylon piceum Eliis in Amer. Nat., xvii., p. 193. 
Effusum, subellipticum vel elongatum, plerumque confluens. 
(4-8 cm. long), atro-fuscum, rugosum, pulvero luteolo tectum, 
intus nigrum. Peritheciis 2-3 seriatis, confertissimis, compressis, 
ostiolo minuto, vix visibili. Sporidiis naviculoideis, fuscis (*011- 
•012-*012 x -004 mm.). 
On rotten wood. Iowa (U.S. A.). 
110. Hypoxylon Fendleri, Berk, in Herb. 
Effusum, determinatum, crassum, rugosum, fulvum, demum atro- 
fuscum. Peritheciis distinctis, globosis, elevatis, ostiolo papillato 
nigro. Ascis cylindraceis. Sporidiis arcte ellipticis, rectis cur- 
vulisve, fuscis (-012-*013 x *004 mm.). 
On rotten wood. Venezuela. 
Somewhat like an effused state of H. multiforme , or a thick 
form of H. ferruginosum. At first tawny, then dark-brown, nearly 
black, but not at all purplish or ferruginous. 
114. Hypoxylon ianthinum, Cke. 
Stromate in ligno effuso, pulvero ianthino obsito, demum nigri- 
cante. Peritheciis stipatis, obovatis, vertice sub-rotundatis, 
confluento-planisve. Ostiolo minute papillato. Ascis cylindraceis. 
Sporidiis ellipticis, obtusis, continuis, fuscis, -015 X *006 mm. 
On naked wood. U. States. (Ravenel, No. 1579.) 
115. Hypoxylon atropunctatum, Schwz. Anthostoma atroj)unc~ 
tata, Sacc. Syll., No. 1102. 
Sporidia '03 x *01 mm. 
We cannot accept this as a species of Anthostoma. 
