FULL-GROWN PLANT AND ITS PARTS 67 
which arise in the axil between the spines and stem. 
Is not the spme a mask under which some of the 
barberry leaves appear ? 
Not all spines, however, are masked leaves. Where 
do the spines or thorns occur on the hawthorn? Have 
you ever seen them on the goose- 





berry, or on the spiny rest-harrow, 
the blackthorn, or the sea buck- 
thorn? What are the spines on 
a cactus? What are the spines 
on a thistle, like the Scotch 
thistle or common thistle? 
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THE POSITION OF LEAVES 
The plants in the field, forest, 
and garden, as well as_ those 
grown in the house, can tell 
some interesting stories about at 
the positions of their leaves on _ ria. 99. Spines on edge of 
the stem. The plants speak in ee ee 
avery quiet way. We cannot hear them, because they 
speak in a sign language. Now you know what this 
means, so you must look at the plants and see how the 
leaves are arranged. The position of the leaves on the 
plant is the sign. You are to act as the interpreter 
does, and put what the leaves tell into your own words. 
