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, b , 6, 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 e>nly spring from the petiole, as in Figo, 
47, c. 
Ternate; when, 
three leafets arise 
from the petiole, as 
Fig. 48, a. Biternate 
is a second division 
of threes, as Fig., 
48, b . 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, 
as Fig. 49, a. At 
6, is a representa¬ 
tion of tri-com- 
$ pound leaves. 
^ We shall now 
add some miscella- 
1H? > neous examples of 
SH various kinds of 
leaves for the ex¬ 
amination of the 
pupil. 
Fig. 50 at a, is a leaf of the Ilex aquifolium , (holly ;•) it is oval and; 
dentate , with spinescmt teeth. 
5, 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 Cor chorus japonicus ; it is oval-acuminate, doubly 
denticulate. 
Compound leaves—Pinnate—Binate—Ternate—-Biternate—Triternate—Decom¬ 
pound— feize of leaves—Explain Fig. 50- 
