ROOTS 13 
year, either in the root or underground stem, as in beet, 
carrot, turnip; during the second season it flowers and 
seeds. | 
A perennial is a plant which lives and sometimes blossoms 
year after year; its roots.may be perennial, but very often 
they last only two years, and growth then proceeds from the 
underground stem. Some. perennials flower every year, 
— others only occasionally. ; 
Rootstocks must not be confused with roots; they are 
underground stems, and will be discussed later. 
