Phi/xarum. 309 



Physarum Famintzini, Rost. 



Sporangia sessile, minute, crowded, sometimes confluent, 

 dingy chestnut, irregularly hemispherical, dehiscing at the apex ; 

 columella absent; ccqnllitiwii clastic, becoming elongated after 

 dehiscence, nodes not nsucdly developed, sometimes containing pale 

 f)inkish granules of lime •, spores pale violet, smooth, 10 /x 

 diameter. 



Physaruni Famintzini, Rost., Mon., p. 107 ; Sacc, Syll., vii., 

 1, n. 1181. 



On branches. Poland. 



I don't know the present species, which, judging from 

 Rostafinski's description, must be a very peculiar and far from 

 typical species of Fhysarum. 



Physarum capense, Rost. 



Sporangia irregularly hemispherical or turbinate, sessile, 

 simple, or most frequently in crowded clusters springing from 

 a tvell developed hypothalhts, greyish-white ; columella absent ; 

 capillitium copious, nodes of lime few, sidiglohose with angidar 

 p)rojcctions, interuodes very long; spores pale violet, smooth, 

 11 — 14 /x diameter. 



Physarum Capense, Rost., Mon., p. 113, f. 92; Cke., Brit. 

 Myx., f. 92; Sacc, Syll., vii., 1, n. 1190. 



On branches. Cape of Good Hope. 



Physarum luteolum, Peck. 



Sporangium small, closely gregarious, sessile, yellowish, in- 

 clining to tawny, rupturmg irregularly ; flocci abundant, yellow- 

 ish-white; spores globose, purplish-brown, -0004' in diameter 

 ( = about 10—11 /x). 



Physarum luteolum. Peck, 30th Report of N. York State 

 Mus., p. 50, pL ii., figs. 15—18; Sacc, Syll., vii., 1, n. 1199. 



Living leaves of Gornus Canadensis. Adirondack Mts., 

 U. States. 



