280 A Mo7Wf/rap/i of tJie Myxogastres. 



angular, internodes rather long, tliin ; si^ores globose, pale lilac, 

 very minutely vcrrucidose, 10 /u. diameter. 



Physarum Jlcnm')n,Yr., Sym. Gast., p. 22; Rost., Mon., p. 100; 

 Sacc, Syll., vii., 1, n. 1186. 



(The above description drawn up from a specimen named by 

 Fries.) 



On mosses, &c. Britain (Wales) ; Sweden ; Germany. 



Usually growing on living mosses, scattered, To — 2 mm. 

 high; stem stout. Very closely allied to Physarmn Ditmari, 

 Rost., of which the present may possibly prove to be a stipitate 

 form ; however, in the absence of such evidence, it is well for 

 the present to retain it as a species. 



(Rostafinski's Synonyms.) 



Fhysarum fiavurn, Fr., Symb. Gast., p. 22, I.e., iii., p. 185 



(1818). 

 Physcirum citrineUa, Fries, in Herb. ; Kunze. 

 Crateriujji fiavum, Fr., Sm. Veg. Sc, p. 454 (18499. 



Physarum Schroeteri, Rost. 



Sporangia stipitate, hemispherical, depressed ; stem conical, 

 thich, golden, shining, continued as an obtusely conical columella ; 

 threads of capillitium slender, combined to form a dense net- 

 work, furnished with nodes containing lime ; spores spinulose, 

 blackish-brovm, 10 — 12 ju diameter. 



Physarum Schroeteri, Rost., Mon. App. I., p. 419 ; Karst., 

 Myc. Fenn, iv., p. 102; Sacc, Syll, vii., 1, n. 1172. 



On leaves and twigs of Almis. Finland. 



Physarum brunneolum, Phillips (figs. 221, 222). 



Scattered or gregarious, but not crowded, sessile ; sporangia 

 globose or subdepressed, wall single, thick, smooth and polished, 

 bright yelloio-hrown, dehiscing in a stellate manner, the segments 

 becoming rejlexcd, snov)-white inside; columella absent; capil- 

 litium very dense, snow-white, nodes very large and numerous, 



