1 82 



BOTANY FOR BEGINNERS 



CHAP. 



9. Personate, when the throat of the flower is masked, as in 

 the Snap-dragon. (Fig. 193). 



10. Labiate, when the flower is two-lipped, as in the Dead- 

 nettle and Sage. (,Fig. 194). 



Size of Flower. The flowers may be very small, so that it 

 is necessary to use a hand-lens to make out their different parts, 

 or they may be large. If a plant bears small flowers, it is the 

 rule for a large number to be produced. When large flowers 

 are produced by a plant, only a .-Stigma 



few are formed. The diameter ^^&\<Z3Z^ J 



of the flower should be given 

 when describing it, For instance 

 the diameter of the flower of 

 the Wallflower is given as 



FIG. 193. 

 Personate flower. 



FIG. 194. 

 Labiate flower. 



FIG. 195. A longitudinal section of the 

 flower of the Daffodil ; showing inferior 

 ovary and superior perianth. 



inches ; while the flower of the Fool's Parsley is J of an inch in 

 diameter. 



Colour. In describing a flower its colour must always be 

 noted. Some flowers are green, others are brightly coloured. 

 The Wallflower is yellow or reddish brown, the Hare-bell is 

 blue, the Apple blossom varies from white to pink, and the 

 Anemone is generally white. If the flower possesses any pecu- 

 liarities such as markings, hairs, &c., they must be described. 



Perfume. Those flowers which are visited by insects may 

 be sweet-scented or without perfume. Green flo-wers, as a rule, 

 have no perfume, but if the flowers open at night they are very 

 sweet scented. The characters of the flowers as to perfume, 

 must be recorded when writing the description of the flower. 



Cohesion and Adhesion. The term cohesion is used 





