Tilwadoche. 329 



Physarum leucopus, Schura., Herb. 

 Trichia alba, DC., Fl. Fr., ii., 202 (1805). 

 Physarum albipes, Link, Diss., i., 27 (1809). 

 Physarum sulcatum, Liuk, Diss., i., 27 (1809). 

 Physarum connectum, Ditni., t. 41 (1817). 

 Physarum cermium, Fl. Dan., t. 1974, f. 2 (1823). 

 Physarum nutans, a. albocinereum, Fr., S. M., iii., 128 (1829). 

 Didymium marginatum, Fr., S. M., iii., 116 (1829). 

 TUmadoche cernua, Fr., S. V. S., 454 (1849). 



Tilmadoche mutabilis, Host. (figs. 236239). 



Sporangia spherical or spherico-depressed, flattened cr slightly 

 umbilicate below, wall thin, with a thin layer of yellow^ dingy 

 orange, or greenish coloured particles of lime, usually cracking in 

 an areolate manner; stem elongated, slender, slightly thinner 

 upwards, straight or usually a little curved at the apex, filled 

 with granules of lime, yellow, brownish-orange, or red, darkest 

 below; capillitium rather dense, threads slender, combined to 

 form a very irregular network, with scattered, small, elliptical 

 nodes containing coloured granules of lime ; spores globose, pale 

 lilac, often with a brown tinge, minutely verruculose, 9 11 //, 

 diameter. 



TUmadoche mutabilis, Host., Mon., p. 130, figs. 123127, 132; 

 Cooke, Myx. Brit., p. 22, figs. 123127, 132; Raunk., Myx. 

 Dan., p. 77. 



TUmadoche viridis, Sacc., Syll., vii., 1, n. 1247, 



Exsicc Ellis, N. Amer. Fung., 1213. 



On wood, bark, dead leaves, moss, &c. . Britain (New Forest, 

 Epping Forest, Bulmer, Yorks. ; Carlisle); Europe; S. Africa; 

 W. Australia ; United States. 



Differing from TUmadoche nutans in colour more than in any 

 other character. 



(Rostafinski's Synonyms.) 



Stemonitis viridis, Gmel., Sys., ii., 1469 (1791). 

 Stemonitis aurantia, Gmel., Sys., ii., 1469 (1791). 



