THE MYXOMYCETES OF PICTOU COUNTY. MOORE. 201 



to form elongated, curved plasmodiocarps, while the elaters are 

 long, slender and even (with the exception of the extremities), 

 and the spirals regularly wound. The extremities, on the other 

 hand, are frequently swollen behind the curved tips. 



On the inner side of fallen bark of Fagus ferruginea. Bare. 



36. Trichia varia (Pers.) Host. Sporangia closely 

 crowded, spherical, or contorted^, dusky yellow, shining when 

 fresh, sessile, about .75 mm in diameter when regular. Elaters 

 simple, 4 5u wide, somewhat irregular in outline, marked 

 with two spiral ridges irregularly wound and projecting sharply. 

 They narrow abruptly at the ends, which are 12 14/* long 

 and marked almost to the tips with faint spiral lines. Imme- 

 diately behind the ends, the elaters sometimes show a slight 

 enlargement and spinous outgrowths, sometimes curved, are not 

 uncommon. The ends also sometimes terminate in two or three 

 sharp tips. Spores pale yellowish by transmitted light, almost 

 smooth, 13 14 p in diameter. 



On decaying Populus grandidentata. oSTot common. 



37. TriMa decipiens (Pers.) Macbr. Sporangia closely 

 gregarious, obovoid dusky yellow or olivaceous yellow, stipitate ; 

 total height about 2 mm , diameter .8 mm . Stipe furrowed, hollow, 

 filled with spore-like cells. Elaters simple, about 5/u- wide, 

 marked with three spiral ridges not traceable to the ends which 

 are long and tapering. Spores almost colorless by transmitted 

 light, reticulated, 11 12/A in diameter. 



On decaying Populus grandidentata. "Not common. 



