FULL-GROWN PLANT AND ITS PARTS 65 
where the leaflets are attached to the leaftstalk. The 
bean leaf, as well as that of the pea, ash, etec., is once 
compound. 
The leaves of 
the sensitive 
plant, of the 
royal-fern, 
and some 
others are 

Twice COM- 
iN! 
IE 
pound, and so 
on. 
FIG. 96. Scales, leaves, and young summer leaves in opening 
bud of horse-chestnut tree. 
LEAVES WEARING A Mask 
Masks on the pea leaf. Some of the leaves which 
you have seen may have puzzled you because they have 
parts which are not leaf- 
like. The pea, for 
example, has curled, 
thread-like outgrowths 
on the end, which we 
call tendrils. These 
tendrils cling to objects 
and hold the pea plant 
upright. Now see where 

‘ ae Fe Fig. 97. Tendril of cucumber partly turned 
these tendrils are joined eoslont: 
