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CONVERSATION THE FOURTEENTH. 



CLASS 15. TETRADYNA'MIA. ORDERS CHEIRAN'- 

 THUS CHEI'RI, COMMON WALL-FLOWER, EXAMINED. 



CLASS 16. MONADEL'PHIA. ORDERS. MAL'vA 



SYLVES'TRIS, COMMON MALLOW, EXAMINED YEW- 

 TREE. PINES J THEIR VARIOUS USES. COTTON- 

 PLANT. 



MOTHER. 



I HOPE, Edward, that we can examine two plants 

 to-day, which I know will give you pleasure, 

 for I have not much to tell you about the fifteenth 

 class, Tetradynamia. Do you recollect how it is 

 distinguished ? 



EDWARD. 



The flowers contain six stamens ; four of them 

 long, and two of them short. 



MOTHER. 



You are quite right ; but as the difference of 

 their length is not always very striking, and the 

 plants of the sixth class have the same number of 



N 



