IIG 



The list including eighty-six species belonging to twenty-ohe gehei'rt 

 is as follows: 



1. Ceratomyxa porioides (Alb. anil Sclnv.) Schroeter. Very common on 

 decayed wood from July 1 to August 10. Frequently found covering 

 almost the entire surface of decaying trunks. 



2. I'hijsarum viride Pers. Collected at least on three different trips, 

 June 27, July 13, and July 20. On bark of fallen trees. 



3. P. iJiiJchripcs Peck. Found in one collection, July 3. On bark of 

 an old oak stump. 



//. 1'. nutans Pers. Collected in considerable quantities from bark of 

 fallen elm, July '.). 



5. P. poJinnorphum. Found spreading in large patches over bark of 

 a beech stump and on lilades of grass and leaves of briars nearl)y, July 

 14. Turkey Lake. 



G. P. vcfroideum Rost. Brought into the laI)oratory several times. 

 Collected from bark of fallen Cottonwood, July 17. 



7. P. (/albeinn Wingate. On oak bark, July IS. 



S. P. iiurisculpium Cooke. On decaying leaves. Turkey Lake, July 14. 



,9. P. niicleutum Rex. Not common. Bark of fallen ash, July 20. 



10. p. macidatum McBr. On decaying wood in considerable quantity, 

 .inly 24. 



//. /'. didcrmoidrs Rost. A single specimen collected on a decaying 

 sycamore stump, .Inly 21. 



l.i. P. n<)diil(jsinit Cooke and P.alfour. On fallen trunks, July 15. 



/.)'. y. (jlohiilifci-inn Pers. July ;'>1. Decayed wood. 



J'j. P. ohrusscum Berk and Curtis. Collected from a fallen poplar 

 trunk near North Manchester, August 3. 



J 5. P. melleum Mass. Found in small quantity on decaying leaves 

 in woods near North Manchestei", August 3. 



]C). ]'. cilriiniiii Schumacher. Collected along with 7*. fiirllniiii. Noi'th 

 Manchester, August 3. 



17. P. ciiicrciiiii Pers. Found on a growing fern frond in woods near 

 Tii)pecanoe River, August 5. 



IS. J'lij/sdnlld )iiir(ihilis Peck. Found literally covering the inside of 

 a liollow sycamoi'e stump near the biological laboratory, July 7. 



I!). TihiKidoclic conipactd. AVingate. One specimen collected on oak 

 bark, .Inly :!0. Does not seem to !)•• plentiful. 



