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CHILDREN’S GARDENS 
VI 
sometimes this tap-root is thickened, as it is 
in the case of carrots or beetroot. Or secondly, 
a plant has what is called a fibrous root, like a 
collection of hairs or threads. Any tuft of 
grass has this kind of root, as it is easy to see 
ROOT OF ROOTS OF GRASS SECTION OF A TULIP BULB 
A RADISH zk, modified stem ; xs, scale leaves ; 
v, terminal bud ; k, young bud ; w, roots. 
by pulling up a few blades. A third kind of 
root is thick and fleshy, and is called a tuber. 
A good example of this kind is the dahlia. 
These tubers are stores for the nourishment of 
the plants. Then children should notice bulbs, 
which are not roots in the same sense as those 
