STEMS AND SHOOTS. 
81 
7. Again, many kinds of grasses and other 
plants have stems as well as roots, hidden in the 
ground. 
" You know how the leaf-shoots of the banana 
and the bamboo sprout forth/' Mr. Grey con- 
tinued. ^'They spring from ' root-stocks\ Now 
these cannot be true 
roots, for they have 
buds from which the 
shoots grow, and are 
therefore under- 
ground stems. 
8. ^^The yams and 
cocoes are only under- 
ground shoots or 
stems, that have 
swollen out with the 
store of food sent 
down by the plant. 
We call them tubers, 
tuber." 
How strange ! " said Frank, 
thought that yams were roots." 
9. And so did I," added Jane. 
Are there any other kinds of stems?" asked 
Frank. 
10. Yes," said his father as he drew an onion 
from the ground; this is one, and a lily has the 
The Onion. (Bulbs.) 
The Irish potato is also a 
I always 
( M 357 ) 
