322 A Monograph of the Myxogastres. 



On wood and decaying Auricularia. Germany ; France ; 

 Sweden. 



(Rostafinski's Synonyms.) 



Physarum macrocarpum, Fckl., Sym. Myc., p. 343, non Cesati 



(1869). 

 Tridiamphora Fuckelianum, Host., in Fckl., S. M., 2, Nach., 



p. 74 (1873). 



A specimen named by Rostafinski in Herb., Berk, has the 

 superficial appearance of a Tilmadoche ; a slender, elongated, 

 wrinkled, bright brown stem, and grey sporangial wall. 



Badhamia nodulosa, Mass. Vly &<*.<** >p\v uu\ 



Sporangia globose, stipitate, wall very thin, almost colourless 

 above, and covered with an irregular white crust of lime, basal 

 portion without lime and beautifully iridescent; becoming 

 irregularly ruptured at maturity; stem longer than sporangium, 

 weak, often subdecumbent, attenuated upwards, brmvn, longi- 

 tudinally wrinkled, expanding at the base into a small, irregular 

 hypothallus; columella absent; capillitium well developed, 

 flattened, intricately branching from the nodes, scantily furnished 

 throughout with granules of lime; spores globose, dingy lilac, 

 minutely verruculose, 10 12 /* diameter. 



Badhamia nodulosa, Mass., Journ. Myc., vol. v., p. 186, 

 t. 14, f. 6. 



Physarum nodulosum, Cooke and Balf., in Rav., Fung. Amer., 

 Exs., n. 479. 



On acacia bark. Aiken, S. Carolina (Rav., 2972). 

 (Type in Herb., Kew.) 



A very distinct and good species of the genus Badhamia, 

 1'5 mm. high ; stem twice as long as sporangium, weak, usually 

 subprostrate ; capillitium dense, with the characteristic flatten- 

 ings met with in Badhamia, and everywhere containing granules 

 of lime, although the quantity is not so great as is usual. 

 Sparsely scattered, rarely two springing from the same hypo- 

 thallus. 



