Physarum. 297 



Physarum Zeveillei, Rost., Mon. App., p. 7; Sacc, Syll., vii., 

 1,11.1177. 



On dead leaves. Chili. 



Var. chryso2yiijS, Rost., stern and qiorangiuiii goldcn-ycUow, 

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

 yellow. 



Var. auri2)cs, Rest. ; stem golden, sporangium eitrin. 



Venezuela. 



Var. Fuistingii, stem orange, sporangium rii/ous-hrown. 



Westphalia. 



(Rostafiuski's Synonym.) 



Physarmn cmreurn, ^. ehrysopns, Lev., Ann. Sc. Nat., p. 116 

 (1846). 



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



Scattered, stipitate, sporangia spherico-depressed, umbilicate 

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

 stem elongated, thickest heloiv or fusiform, pale 2^'inJx;, 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 ju. thick, 

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

 11 — 13 /x diameter. 



(Type in Herb., Kew, along with Tilmadochc varialilis.) 



On wood. Cape of Good Hope. 



Superficially resembling a typical Tihnadoehe 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, rigiel, fragile, lohite, suleede ; eolumeUa 

 large, cyliiulrical, ohtuse, white ; capillitium well developed, rigid, 

 not collapsing, vesicles containing lime numerous, of variable 

 size, yellowish or reddish; spores globose, smooth, 9 — 11 /oi 

 diameter. 



