116 
THE FIRST BOOK OF BOTANY. 
Fig. 196. 
Fig. 197. 
Nectary. 
A Nectary is a little gland on the claw of a petal 
that secretes a sugary liquid. In Fig. 196 these 
Fig. 199. 
Corolla with Crown. 
Spurred Calyx and Corolla. 
glands are naked, while in Fig. 197 the little gland is 
covered by a scale. 
EXERCISE XXXYI. 
Symmetry of Flowers . 
Gather a variety of flowers, and before you begin 
their study look carefully at the pictures and defini¬ 
tions of this exercise. 
Count the sepals shown in Fig. 200. Count the 
