b4 
BASTDIOMYCETES. 
AGARICACES. 
OMPHALIA ARFAKENSIS Ramsbottom, sp. nov. 
Tota alba. Pileo carnuloso, ex umbilicato infundibuliforme, margine primum 
inflexo, crenato, 1-2 cm. lato; stipite fistuloso, 1 em. longo, 2 mm. crasso; lamellis 
decurrentibus, valde distantibus, postice latissimis (hine triangulis), interdum 
dichotomis, venoso-connexis; sporis suballantoideis, 3-guttulatis, 6-7 pu x 38-4 p; 
basidiis c. 25 wp x5 p. 
Cespitosa ad lignum putridum. . 
Hab. In forest, foot-hills by Momi River, Arfak Mts., 500’. Dec. 6148. 
XEROTUS CINNAMOMEUS Ramsbottom, sp. nov. 
Mesopus ; cinnamomeus, coriaceus; pileo convexo, centro papillato, c. 2 cm. 
diam., ad centrum plicato sulcate, margine acuto, integro; stipite subfistuloso, 
deorsum cylindrico, sursum compresso sulcato, basi strigoso; lamellis parcis (c. 10), 
valde distantibus, non decurrentibus, latis, intermixtis brevioribus, interdum vene- 
formibus ; sporis ellipsoideis, subgranulosis, 6-7 p x 4-5 yx; basidiis ¢. 50 p x8 p. 
Ad lignum putridum. 
The radiating depressions on the upper surtace of the pileus mark the 
position of the gills below. A transverse section of the stipes shows a pseudo- 
sclerenchymatous tissue, which greatly simulates the sclerenchyma seen in 
Gramineze and certain other glumiferous Monocotyledons. 
Hab. In forest, lower foot-hills by Momi River, Arfak Mts., 500’. Dec. 
6150. 
POLYPORACESA. 
HexaGona Aptaria (Pers.) Fr. Kpicr. Syst. Mye. 497 (1858). 
Foot-hills by Momi River, Arfak Mts., plentifui, 400’. Dee. 6149. 
Iistrib New Guinea. India, Ceylon, Java, Philippines, ete. 
Fungi Imperfecti. 
SPHE ROPSIDEA. 
LEPTOTHYRELLA SERICOLEH Ramsbottom, sp. nov. 
Pycnidiis amphigenis, sparsis, dimidiato scutellatis, radiato-cellulosis, atris 
ce. 500 » diam., zona purpurascenti cinctis, sporis fusoideo-ellipsoideis vel clavulatis, 
rectis vel curvulis, hyalinis, multiguttulatis, continuis, dein medio uniseptatis, non 
constrictis, 25-35 p x 4-5 p. 
In foliis Sericolee. 
On Sericolea arfakensis Gibbs (p. 147). 
