54 
OF LEAVES. 
rest. The pitcher-plant is a native of Ceylon, where it is called 
monkey-cup, on account of its being frequented by these animals for 
the purpose of quenching their thirst. 
Compound Leaves. — When several leafets grow on one petiole, the 
whole is termed a compound leaf, as in the rose. 
Pinnate'; Fig. 47, a, represents the petiole or principal leaf stalk 
bearing leafets arranged opposite to each other ; these may be either 
petioled or sessile. 6, b, represent the stipules, the whole taken to- 
gether forms one compound pinnate leaf The term pinnate is from 
the Latin pinna, a wing or pinion. 
Binate ; when two leafets only spring from the petiole, as in Fig. 
47, c. 
Fig. 48. Ternate ; when 
a tea. ^ ^ ^ \/0 three leafets arise 
~ " from the petiole, as 
Fig. 4&, a. Biternate 
is a second division 
of threes, as Fig. 
48, h. Triternate is- 
a third division of 
threes, as Fig. 48, c. 
Decompound, when a pinnate leaf is again divided, or has its leaves 
twice compound, 
" ' b, is a representa- 
tion of tri-com- 
pound leaves. 
We shall now 
add some miscella- 
neous examples of 
various kinds of 
■^^^^^.^k^il^J^^'^'vMr;^? leaves for the ex- 
amination of the 
pupil. 
Fig. 50 at a, is a leaf of the Ilex aquifoliwn, (holly 3) it is oval and 
dentate, with spinescent teeth. 
b, is a leaf of the Malva crispa, (mallows ;) it is seven-lobed, crisped 
or irregularly platted, and finely crenulate. 
c, is a leaf of the Hydrocotyle tridentata / it is cuneiform, dentate at 
the summit. 
d, is a leaf of the Corchorus japonicus ; it is oval-acuminate, doubly 
denticulate. 
Compound leaves— Pinnate — Binate— Ternate — Biternate— Triternate— Decom- 
pound— Size of iccives— Explain Fig. 50. 
