178 
The Philippine Journal of Science 
1914 
arranged in the midst of the stromata, while A. intricata has the same 
perithecia, but a much less developed stroma. 
We have placed Aulacostroma among the Dothideaceae but it might per- 
haps better be considered as belonging to the Hysteriaceae. The limits 
between these two families, however, are not clear and they very much 
need a revision. 
DICTYOTHYRIUM Theissen 
DICTYOTHYRIUM GIGANTEUM Syd. sp. nov. 
Peritheciis plerumque hypophyllis, sparsis, sine maculis, 
omnino superficialibus, sine mycelio, atris, opacis, rotundatis, 
500-700 p diam., carbonaceis, planis, centrum versus lenissime 
elevatis, poro rotundato distincto 25-35 p lato instructis; con- 
textu centrali omnino opaco obscure atro-coeruleo, peripherico 
laxiore dilutiore amoene coeruleo usque hyalino ex hyphis tenuis- 
simis 1-1.5 p latis dense ramosis et maeandrice conjunctis com- 
posite ; ascis subsaccatis, ad basim latis, apicem versus plerumque 
angustioribus, sessilibus, crasse tunicatis (praecipue ad apicem), 
90-125 p longis, 35-45 p latis, 2-4-sporis, copiosissime filiformiter 
paraphysatis ; sporidiis oblongo-cylindraceis, utrinque late rotun- 
datis, ad septum constrictis, hyalinis, intus densissime granulosis, 
65-100 p longis, 16-18 p latis, loculis sive aequalibus, sive quoad 
longitudinem inaequalibus. 
Palawan, Taytay, Merrill 8773 p. p., April, 1913. On leaves of Meme- 
cylon lanceolatum, in society with Morenoella Memecyli Syd.; same locality, 
Merrill 8811, April, 1913. On leaves of Memecylon. 
MICROPELTELLA Sydow 
MICROPELTELLA MERRILLII Syd. sp. nov. 
Peritheciis amphigenis, sine maculis, sparsis, superficialibus, 
facile secedentibus, opace atro-coeruleis, lenticulari-scutatis, 
250-420 p diam. marginem versus coerulee pellucidis ibique ex 
hyphis 1-1.5 p latis maeandrice denseque conjunctis contextis, 
praeterea margine hyalino cinctis, ostiolo distincto rotundato 
20-25 p lato; ascis fusoideo-clavatis, sessilibus, aparaphysatis, 
60-75 p longis, 14-18 p latis, plerumque octosporis ; sporidiis dis- 
tichis, tereti-clavulatis, apice late rotundatis, deorsum attenuatis, 
rectis vel leniter curvatis, 3-4-septatis, ad septa parum con- 
strictis, hyalinis, 24-30 p longis, 4-6 p latis. 
Palawan, Taytay, Merrill 8725 (type), April, 1913. On leaves of Schef- 
flera; same locality, Merrill 8746, 8754, 8820, April, 1913. On leaves of 
Glycosmis cochinchinensis and Celastrus paniculatus. 
STE PH A NOTH EC A Syd. gen. nov. Hemisphaeriacearum 
(Etym. Stephanos corona et theca ascus.) 
Perithecia dimidiato-scutata, sed haud inversa, omnino super- 
ficialia, subiculo nullo, minuta, centro substipitato matrici affixa, 
