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FIRST BOOK. 
same kind. This stem is very shorty and is 
covered with layers of thick leaves." As he 
spoke he peeled off some of these layers to show 
the children. 
11. " Is that a tuber too?" asked Jane. 
" No, we call it a hulh,'' said her father. Its 
roots are the threads or fibres which hang from 
it." 
''Well/' said Frank, ''who would have guessed 
that yams and onions were stems? I should not, 
I am sure." 
STEMS AND SHOOTS.— II. 
1. The children and their father walked on 
through the garden, and down the road, still 
talking. 
2. "You cannot help seeing that even the 
shoots and stems above ground are not all , 
alike," said Mr. Grey. " Some are strong and 
upright; but many are so weak that they either 
creep along the ground or cling to other things 
for support. Some weak stems twine round 
anything that may be near them." 
3. "Do you mean like the yams?" asked 
Frank. 
" Yes," replied his father. " Then there is 
another way by which weak stems are held up, 
