Physarwrt. 309 



Physarum Famintzini, Rost. \ 



Sporangia sessile, minute, crowded, sometimes- confluent, 

 dingy chestnut, irregularly hemispherical, dehiscing at the apex ; 

 columella absent; capillitium elastic, becoming elongated after 

 dehiscence, nodes not usually developed, sometimes containing pale 

 pinkish granules of lime , spores pale violet, smooth, 10 ju, 

 diameter. 



Physarum 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 Physarum. 



Physarum capense, Rost. ^ t. 



Sporangia irregularly hemispherical or turbinate, sessile, 

 simple, or most frequently in crowded clusters springing from 

 a well developed hypothallus, greyish-white; columella absent; 

 capillitium copious, nodes of lime few, sulgldbose with angular 

 projections, internodes very long; spores pale violet, smooth, 

 11 14 ju, 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. P.v\testt*\s 



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

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

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

 ( = about 1011 jn). 



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

 Mus., p. 50, pi. ii., figs. 1518; Sacc., Syll., vii., 1, n. 1199. 



Living leaves of Cornus Canadensis. Adirondack Mts., 

 U. States. 



