04 



BASIDIOMYOETES. 

 AGARIC AC E^:. 



OMPHALIA ARFAKENSIS Ramsbottom, sp. nov. 



Tota alba. Pileo carnuloso, ex umbilicato infundibuliforme, margine primum 

 inflexo, crenato, 1-2 cm. lato ; stipite fistuloso, 1 cm. longo, 2 mm. crasso ; lamellis 

 decurrentibus, valde distantibus, postice latissimis (hinc triangulis), interdum 

 dichotomis, venoso-connexis ; sporis suballantoideis, 3-guttulatis, 6-7 p X 3-4 p ; 

 basidiis c. 25 p. X 5 p. 



Caespitosa ad lignum putridum. 



Bab. In forest, foot-hills by Momi River, ArfakMts., 500'. Dec. 6148. 



XEROTUS CINNAMOMEUS Ramsbottom, sp. nov. 



Mesopus ; cinnamomeus, coriaceus ; pileo convexo, centra papillate, c. 2 cm. 

 diam., ad centrum plicato sulcato, margine acuto, integro ; stipite subfistuloso, 

 deorsum cylindrico, sursum compresso sulcato, basi strigoso ; lamellis parcis (c. 10), 

 valde distantibus, non decurrentibus. latis, intermixtis brevioribus, interdum venae- 

 formibus ; sporis ellipsoideis, subgranulosis, 6-7 p X 4-5 p ; basidiis c. 50 p x 8 p. 



Ad lignum putridum. 



The radiating depressions on the upper surface of the pileus mark the 

 position of the gills below. A trsmsverse section of the stipes shows a pseudo- 

 sclerenchymatous tissue, which greatly simulates the sclerenchyma seen in 

 Gramineae and certain other glumiferous Monocotyledons. 



Hab. In forest, lower foot-hills by Momi River, Arfak Mts., 500'. Dec. 

 6150. 



P O L Y P O R A C E JR. 



HKXAGOKA APIARIA (Pers.) Fr. Ii.picr. Syst, Myc. 497 (1838). 



Foot-liills by Momi River, Arfsik Mts., plentiful, 400'. Dec. 6149. 

 Distrib New Guinea. India, Ceylon, Java, Philippines, etc. 



Fungi Imperfecti. 



LEPTOTHYRELLA SERICOLE/E Ramsbottom, sp. nov. 



Pycnidiis ampbigenis, sparsis, dimidiat-o scutellatis, radiato-cellulosis, atris 

 c. 500 p 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 Sericoleae. 



On Sericolea arfakensls Gibbs (p. 147). 



