Pliysarum. 297 



Physarum Leveillei, Rost., Mon. App., p. 7; Sacc., SylL, vii., 

 1, n. 1177. 



On dead leaves. Chili. 



Var. chrysopits, Host., stem and sporangium golden-yellow, 

 1 mm. diameter; spores 10 p. diameter, lime granules golden- 

 yellow. 



Var. auripes, Host. ; stem golden, sporangium citrin. 



Venezuela. 



Var. Fuistingii, stem orange, sporangium rufmbs-brown. 



Westphalia. 



(Rostafinski's Synonym.) . 



Physarum aureum, /3. chrysopus, Lev., Ann. Sc. Nat., p. 116 

 (1846). 



Physarum Kalchbrenneri, Mass. (n. sp.). 



Scattered, stipitate, sporangia spherico-depressed, umbilicate 

 below, pale yelloiv-green, rough with minute particles of lime ; 

 stem elongated, thickest below or fusiform, pale pink, rigid, filled 

 with granules of lime; capillitium forming a very dense, 

 irregular network, nodes numerous, large, irregularly angular, 

 containing yellow granules of lime, internodes 6 9 //, thick, 

 colourless, without lime, collapsing; spores dingy-lilac, smooth, 

 11 13 JJL diameter. 



(Type in Herb., Kew, along with Tilmadoche variabilis.') 



On wood. Cape of Good Hope. 



Superficially resembling a typical Tilmadoche in the long, 

 slender stem, but separated from that genus by the very thick 

 capillitium tubes, and the numerous large, irregularly angular 

 nodes. From 2'5 3 mm. high. 



Physarum globuliferum, Rost. 



Sporangia globose, stipitate, greyish ; stem equal to spor- 

 angium or twice as long, rigid, fragile, white, sulcate ; columella 

 large, cylindrical, obtuse, white ; capillitium well developed, rigid, 

 not collapsing, vesicles containing lime numerous, of variable 

 size, yellowish or reddish; spores globose, smooth, 9 11 p 

 diameter. 



