PLANTS OF IOWA 71 



879. L. naucinoides, Pk. 



Common in its season on lawns and grassy places gen- 

 erally. August and September. 

 ARMILLARIA, Fries. 



880. A. melleus, Vahl. 



Common; sometimes solitary, sometimes in dense tufts 



and clusters at the base of stumps. September. 

 TRICHLOMA, Fries. 



881. T. personatus, Fries. 

 August. 



882. T. terreus. 

 CLITOCYBE, Fries. 



883. C. infundibuliformis, Schaeff. 

 Not common. June. 



884. C. illudens, Schw. 



Very common ; growing in clusters at the base of stumps. 

 September. 



885. C. ocliropurpiireus, Berk. 



Common on wooded hillsides. August and September. 



886. C. laccatus, Scop. 



Rather rare. Found at the base of stumps. August. 



887. C. radicatus, Relh. 



Common in clearings at base of stumps. June and No- 

 vember. 



888. C. dryopliilus, Bull. 



Common in woodlands everywhere, often gregarious. 

 June and October. 



889. C. velutipes, Curt. 



Not uncommon; found in damp places springing from 



crevices of old logs, and dead roots. September. 

 MYCENA, Fries. 



890. M. galericulatus, Scop. 



Exceedingly common on old stumps, rotten logs and the 

 like in shady places. July to November. 



891. M. purus, Pers. 



Common amongst leaves in moist ravines. September. 



