310 A Monognq^k of the MtiJcfxjastres. 



* * * * Sjwrcs eUi2^iical. 



Physarum ellipsosporum, Rost, (fig. 214). 



Plasmodiocarp variable in form, vermiform; sinuous, or reticu- 

 lately comUncd, depressed, wall firm, charged with particles of 

 lime, whitish or grey ; capiUitium well developed, nodes numer- 

 ous, containing colourless granules of lime, internodcs long, 

 slender ; spores dirty lilac, broadly cUvptical, waoied, many of the 

 loarts becoming elongated and ridgc-lihc, 12 — 16 + 9 — 11 /x. 



Physarum, ellipsosportim, Rost., Mon. App., p. 10; Sacc, Syll., 

 vii., 1, n. 1191. 



Enteridium cinereum, Schweinitz, Amer. Fung., n. 2365. 



(The specimen from Schweinitz in Herb. Berk., Kew, is the 

 one examined by Rostafinski.) 



On decaying herbs. Carolina. 



(Rostafinski's Synonym.) 

 Enteridium cinereum, Schweinitz, Amer. Fung., n. 2365 (1834). 



C. Position uncertain, owing to im^jerfect description and 

 absence of specimens. 



Physarum flavo-virens, A. and S. 



Sporangia obovate, greenish-yellow ; stem brownish ; spores 

 black. 



Physarum. flavo-virens, Alb. and Scliwz., Nisk., p. 97 ; Fr., 

 Syst. Myc, iii., p. 187; Sacc, Syll, vii., 1, n. 1216. 



Amongst moss on rotten trunk. 



Stem of medium length ; sporangium piriform, fragile, smooth, 

 not squamulose. (A. and S.) 



Physarum luteo-valve, Sz. 



Irregularly lobed, convex, more or less confluent ; sporangia 

 externally shining, gold-colour, more or less compressed like a 

 bivalve shell ; spores deep yellow. 



