PLANTS OF NORTH ELBA 



229 



Hypoxylon perforatum Schw. 

 Dead trunks of mountain maple. South Meadow. 



Hypoxylon multiforme Fr. 



Dead wood of yellow birch. Old Keene road. 



Daldinia vernicosa (Schw.) C. & D. 

 Dead trunks of young standing deciduous trees. John Brown farm. 

 It is very doubtful if this and D. conce?itrica (Bolt.) C. & D. are really 

 distinct species Connecting forms seem to occur. 



Nummular ia repanda (Fr.) Nits. 

 Dead trunks of American mountain ash. Near Newman. September. 



HYPOCREACEAE 

 Hypomyces lateritius (Fr ) Tul. 

 On the hymenium of Lactarius uvidus. Valley of the Ausable. 



Hypocrea rufa (Fers.) Fr. 

 Decaying wood of sugar maple. Raybrook. August. 



Nectria cinnabarina (Tode) Fr. 



Dead branches of deciduous trees. Valley of the Ausable. The 

 conidial state, Tubercularia vulgaris Tode, grows in company with it. 



Chilonectria Rosellinii (Carest.) Sacc. 

 Dead bark of balsam fir. Valley of the Ausable. 



Claviceps purpurea (Fr.) Tul. 



Ergot. Spurred rye 



Heads of rye. Wood farm. August. The affected grains become 

 much enlarged, elongated and changed in color and texture. 



DOTH IDE ACE AE 

 Plowrightia morbosa (Schw.) Sacc. 

 Living branches of wild red cherry. Lake Placid. Freemans Home 

 and Indian pass. This is a destructive parasitic fungus which produces 

 unsightly black swellings or excre^ences on the branches. These swell* 



