UPROOTIN<; TiY FROST. 



511 



soil is thawed completely, the plants cannot resume their 

 original position, their roots not being stiff enougli. 



FiiT. 210. — Spruce bt-udliug (a) lifted (b), (<) iiuil {(/) and uprooted by frost {e). 

 (X) Original grouud-level. 



2. Dainaffc done in Particular Cases, 

 (a) Species and Age of Pla)it. — Nearly all woody plants may 

 be uprooted l)y frost during the lirst two years of their life, 



