1 8 BRITISH MYCETOZOA. [Badhamia. 



membranous yellow branching stalks, or sessile, cinereous, or iri- 

 descent violet. Capillitium white. Spores bright brown, in loose 

 clusters of 7 to 10, equally spinulose all over, 9 to 12 fa, diam. 

 Hab. On old stumps, feeding on woody fungi. 



3. B. nitens Berk. — Sporangia subglobose, crowded, sessile, 

 1 mm. diam., golden or greenish-yellow. Capillitium orange-yellow. 

 Spores in close clusters of 6 to 10, purple-brown, coarsely warted 

 on the outer third, 10 to 13 ix. diam. 



Hab. On rotten logs. 



4. B. macrocarpa Rost. — Sporangia subglobose, sessile, or with 

 firm stalks, gregarious, 0-5 to 1 mm. diam., white. Capillitium 

 white. Spores free, dark purple-brown, minutely and closely 

 spinulose, 11 to 15 /x diam. 



Hab. On logs. 



5. B. panicea Rost. — Sporangia subglobose, sessile, crowded, 

 1 mm. diam., white. Capillitium white, with occasional narrow 

 hyaline threads. Spores free, violet-brown, nearly smooth, 11 /i 

 diam. 



Hab. On bark of felled elms, etc. 



6. B. lilacina Rost. — Sporangia subglobose, sessile, crowded, 

 o - 5 mm. diam., pale, flesh-coloured. Capillitium pale, flesh-coloured. 

 Spores free, dark purple-brown, rough, with prominent and confluent 

 warts, ii to 13 ^ diam. 



Hab. On decayed stumps, bog moss, etc. 



7. B. rubiginosa Rost. — Sporangia obovoid, stalked, gregarious, 

 0-5 mm. broad, rufous-brown, pale above, columella half the height 

 of the sporangium. Capillitium pale rufous. Spores free, dark 

 purplish-brown, usually rough, with prominent confluent warts, 11 

 to 13 ix. diam. 



Hab. In fir woods, on fallen brushwood, etc. 



Genus 3. PHYSARTJM Persoon.— 

 Sporangium-wall membranous, with innate 

 deposits of lime, either in clusters of 

 minute granules or compacted and chalky. 

 Capillitium a network of delicate threads, 

 with vesicular expansions filled with lime 

 (= lime-knots). 



bw.'h' !• P- leucopus Link. — Sporangia glo- 



Physarum nutans Pers. bose, gregarious, o'5 mm. diam., glaucous- 



Two sporangia. Magnified cinereous; stalk stout, chalk-white in 



9 times. . '..... , . 



Capillitium threads, with section throughout. Capillitium white ; 



frTg e men t S ' 01 att tn C e he s P or an a - l™e-knots large. Spores violet-brown, 



gium-waii. Magnified no nearly smooth, 7 to 10 ix diam. 

 times - Hab. On dead leaves, etc. 



