Pliysartim. 275 



Lidyminm crythrinum, Cke., Grev., 1873. 



On bark, &c. Britain (Neatishcad, Norths); Germany; 

 Sweden ; France ; Italy ; Denmark. 



Distinguished amongst the red-stemmed species by the green 

 sporangium, and the capillitiura consisting of thin, elongated 

 internodes, some of the nodes are flattened, with one or more 

 perforations and contain no lime, numerous others are filled 

 with lime which is usually tinged orange ; from 2 — 2'5 mm. 

 high. 



Care must be taken not to confound the present species with 

 the green forms of TUmadocfie uiatahilis. 



(Rostafinski's Synonym.) 

 Phi/sarum 2)sittaci)iwn, Ditm., I.e., t. G2 (1817). 



Physarum Schumacheri, Rost. (figs. 287, 288). 



Scattered or gregarious; sporangia globose, stipitate, warted 

 with granules of lime, ycllmvish-olive, often with a tinge of 

 green; stem erect, subequal, usually longer than the spor- 

 angium, filled with lime, longitudinally rugulose, expanding nt 

 the base into a small hypothallus, j)«/c yellow; columella 

 cylindrical, whitish ; capillitium dense, forming an irregular net, 

 with numerous rather smrdl knots containing yclloivish granules 

 of lime ; spores globose, dull violet, minutely verruculose, 7 — 9 /i 

 diameter. 



Physarwiih Schumachcri, Rost., Mon., 99 ; Cke., Myx. Brit,, 

 p. 11 ; Raunk., Myx. Dan., p. 74. 



Physarum citrinum, Sacc, Syll., n. 1176. 



Physarum chrysojpeplum, B. and G., in Herb. 



Exsicc.—EWi?,, N. Amer. Fung., n. 1395. 



On bark, leaves, &c. Britain (Neatishead, Carlisle); Ger- 

 many ; Italy ; Finland ; Ceylon ; United States ; S. America. 



About 2 mm. high. Capillitium dense, rather flaccid, inter- 

 nodes long, thin, many of the angles flattened and not contain- 

 ing lime, others irregularly branched and tilled with yellow 

 granules; columella prominent. The above description applies 



