161 



CONVERSATION THE THIRTEENTH. 



CLASS 14. DIDYNA'MIA. NATURAL ORDERS GLE- 

 CHO'MA HEDERA'CEA, GROUND IVY, EXAMINED 



LEAVES OTHER PLANTS OF THIS CLASS. HONEY 



FLOWER. FOREIGN TREES. SITUATION AND DIS- 

 TRIBUTION OF PLANTS. EFFECTS OF CLIMATE, 



AND OF LIGHT. 



MOTHER. 



I HAVE already told you, Edward, that the flowers 

 of the fourteenth class, Didyna'mia, contain four 

 stamens, two of which are long and two short. 

 But besides these distinctions, this class is known 

 by some others, which it is important to attend 

 to, because they form what is called a Natural cha- 

 racter. 



EDWARD. 

 What does that mean ? 



MOTHER. 



Some plants, although belonging to different 

 genera, bear so strong a resemblance to each other, 



