22 JOURNAL OP THE ROYAL HORTICULTURAL SOCIETY. 



themselves with peculiar exactitude. Kb one can doubt that many 

 of the so-called species of plants, whether of Pelargoniums at the 

 Cape or of Willows in England, are as truly hybrids as any that are 

 raised in gardens. And this brings us to the question, What is a 

 species ? and the question suggests that if in treating this great 

 subject I scarcely knew where to begin, I certainly know where to 

 leave off. I confess I do not know what is a species— and so, 

 thanking you for your kind attention, I now return to the golden 

 silence. 



