THE MYXOMYCETES OF PICTOU COUNTY. ^ — MOOKE. 201 



T( • form elongated, envved plasmocUocarps, while tlie elaters are 

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

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

 hand, arc frequently swollen behind the curved tips. 



On The inner side of fallen l)ark of Fagiis ferruginea. Rare. 



36. Tricliia raria (Pers.) Eost. — Sporangia closely 

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

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

 simple, 4 — otc wide, somewhat irregular in outline, marked 

 vrith two s])iral ridges irregularly woimd and projecting sharply. 

 They narrow alu'uptly at the ends, which are li — 14/a long 

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

 diately behind the ends, the elaters sometimes show a slight 

 enlargement aud s])innus outgrowths, sometimes curved, are not 

 uncommon. The ends also sometimes termiuate in two or three 

 sharp tips. Spores pale yellowish by transmitted light, almost 

 smooth, l:> — 1-1^ in diameter. 



On decaying Populus gnnulideiitata. Xot common. 



37. I'lichiki (Iccipicns (Pors.) Macbr. — Sporangia closely 

 gregarious, obovoid dusky yellow or olivaceous yellow, stipitate ; 

 total height about 2'"°^, diameter .S'"™. Stipe furrowed, hollow, 

 filled with sporedike cells. Elaters simple, about 5^t wide, 

 n.iarked Avith three spiral ridges not traceable to the ends which 

 are long and tapering. Spores almost colorless l)y transmitted 

 light, reticulated, 11 — 12/x in diameter. 



On decaying Populus gyandidentata. ISTot common. 



