244 Addenda. 



campan. torn, diaphanous, pale greyish-yellow, sulcate up to apex, 

 covered with grey squamules which soon .disappear ; g. white then 

 intense purplish violet, finally blackish, linear, ascending, crowded, 

 adnexeii, deliquescent; s. white, silky, generally curved, narrowed 

 upwards from the subbulbous strigose base, apex white-mealy, 

 remainder glabrous, fragile; sp. 7'5 8*5 x 5'5. 



Growing on birch branches. 



(Next to Coprinus roris, p. 233.) 



CORRECTIONS. 



Armillaria focalis, Fr. (p. 14), should be placed in the genus 

 Lepiota, following L. naucina, Fr., p. 11. 



Cortinarius subsimilis, Fr. (p. 183), should be placed under the 

 section "Gills olive or smoky" p. 183. 



Cortinarius Karstenii, Sacc. and Syd. This name should re- 

 place Cort. olivascens, Karsten, p. 191. There is an earlier Cort. 

 olwascens, Fries, p. 183. 



