74 THE MYXOMYCETES 



pezizoidea Jungh. This description does not apply to the present 

 species. It appears in late winter in undisturbed grass tufts and the 

 sporangia are scattered over the lower leaves. It displays a remarkable 

 amount of lime. The nodules, however, are not large; they are rounded 

 and connected here and there by the ordinary tubules characteristic 

 of a physarum. 

 California. 



46. Physarum javanicum Racib. 



Hedwigia 37 : 53. 1898. 

 1909. Physarella javanica (Racib.) Torr., Fl. Myx. 174. 



Sporangia clustered, stalked, discoidal, somewhat convex below, 

 deep, saucer-shaped above, erect or somewhat nodding, 1 mm. broad, 

 0.25 mm. deep, the wall thin, white, the surface thickly covered with 

 small irregular lime granules, the upper part disappearing after ma- 

 turity, leaving the plate-like lower portion attached to the stalk; 

 stalk slender, grayish white, attenuate above, irregularly furrowed, 

 arising from a small hypothallus; capillitium dense, rigid, composed 

 of colorless, thin, often spindle-shaped tubes, connecting the numerous 

 elongated or triangular white lime nodules; spores violet, globose, 

 nearly smooth, 10-12 /*. 



Externally resembling Trichamphora pezizoidea but differing in the 

 method of dehiscence, the structure of the capillitium and the color 

 of the stipe. Originally referred to the section Tilmadoche, but neither 

 the description nor Miss Lister's illustration suggest this. The spore 

 size is given as 9-10 fx in the Lister monograph. For the present we are 

 disposed to consider P. discoidale distinct, as noted under that species. 

 Hohnel (1909) thought P. javanicum much nearer to Trichamphora 

 than to any physarum. 



Florida, Colombia; Java, South and East Africa. 



47. Physarum compressum Alb. & Schw. 



Consp. Fung. 97. 1805. 

 PI. V, Figs. 93, 94, 95. 



1875. Physarum nephroideum Rost., Mori. 93, in part. 



1875. Physarum lividum Rost., var. conglobatum Rost., Mon. 96, in part. 



1875. Physarum candidum Rost., Mon. 96. 



1876. Physarum affine Rost., Mon. App. 5. 



1877. Didymium glaucum Phill., Grev. 5 : 114. 

 1882. Physarum phillipsii Balf. fil., Grev. 10 : 116. 

 1892. Physarum glaucum (Phill.) Massee, Mon. 284. 



Sporangia more or less scattered, compressed-globose, or compressed- 

 reniform, often umbilicate, stipitate, sessile, or elongate and plasmodi- 



