292 



THE CROSSING OF FLOWERS. 



Kg. 284.— Types of the 13th, 14th, 15th, ICth, 18th, and 20th classes of the Linuean .System. 



1, 2 Tilia, whole flower and section of same. 3 Aneinone nemorom. *, = Calothamnus, whole flower and section of same. 

 6 Antirrhinum, upper lip of corolla showing stamens. 7 Cardamine pratensis. » The same flower, the petals removed. 

 9 Tamarindus. i» Adansonia. " ArisMochia Clematitis. 12 The same flower after removal of the periantli. 

 6 9 10 11 natural size ; the others somewhat magnified. 



