THE DISCOMYCKTKS OK KASTRRN IOWA. 



251 



d — Spores spherical . . 



d — Spores elongate. 



e — Receptacle within gelatinous, soft. 

 f — Receptacle sessile thin 

 f — Receptacle stipitate thick . 

 e — Receptacle within watery-gelatinous 

 c — Spores 2-celled. 



d — Spores unequally 2-celled, rounded, par- 

 asitic on algae .... 



d — Spores elongate pointed, 2-celled, 01 

 wood ...... 



c — Spores thread-like .... 



c — Spores muriform .... 



b — Receptacle with disc folded, brain-like. 

 c — Spores 1-celled, hyaline 

 c — Spores septate muriform, dark colored . 



Pulparia 



Bulgariella 



Bulgaria 



Sarcosoma 



Paryphedria 



Sorokina 

 Holwaya 

 Sarcomyces 



Hcptnatomyces 

 Hcematomyxa 



Order I— HELVELLINE/E Schrceter. 



Receptacle vertical, stipitate, mitrate, pileate, or clavate; 

 hymenium superior, exposed from the first; substance between 

 fleshy and waxy, rarely gelatinous. 



Family I— GEOGI,OSSACE^ 



Receptacle fleshy, waxy, or gelatinous; fructification sepa- 

 rated into a sterile stem and a fertile receptacle. Hymenium 

 on the outside of the receptacle, always exposed. Asci clavate, 

 non-operculate. 



Genus I— S PATHULARIA Persoon. 



Receptacle fleshy, stipitate, vertical, compressed laterally, 

 extending down two opposite sides of the stem; sporidia 8, 

 filiform, hyaline, paraph yses filiform. 



One species has been collected in the northeast part of the 

 state which is distinguished by its yellow color. It is common 

 in that part of the state on naked soil in woods. 



