PERIDKRMIUJI. 



417 



The soft hypertrophied shoots are eaten. They occur chiefly 

 in Scandinavia, but recently were observed by Gobi and Tranzschel 

 in the neighbourhood of St. Petersburg.^ 



Fio. 252. — Aecidium coruxcans on malformed shoots of .Spnice. The compact 

 abnormal shoots thickly covered with white aecidia contrast strongly with the 

 normal portions, (v. Tubeiif phot, from material presented by Prof. Fries, 

 Upsala.) 



P. Engelmanni Tlniiii. Ou coiie.s of Picea Smithiana. (U. S. 

 America.) 



P. piceae PJarcl. On needle.s of Picea Smithiana. 



P. Peckii Thiiiu. On needles of T.mga canadensis (U.S. America). 



P. balsameum Peck. On needles of Abies halsamea (U.S. America). 



P. ephedrae CVjoke. On Ephedra in U.S. America. 



P. cedri 15arcl. On needles of Cedrus Deodara in India. 



P. Balansae Corn. On leaves of Davimara ovata in New Caledonia. 



'Also reported at Haslemere (Britain), Grevillea, xix., 189<i. 

 2d 



