22 INTRODUCTION. 



There has been much discussion as- to the 

 origin of the Marie Louise and Campbell violets. 

 The Marie Louise has been known under various 

 names in France and Germany for sixty or 

 seventy years. It was introduced into this 

 country in 1871 by Mr. John Cook, of Baltimore. 

 Mr. Cook obtained the stock through Schuer, of 

 Heidelberg, Germany, who advertised it as the 

 best violet belonging to the Parma class. After 

 growing it for two years Mr. Cook sold large 

 quantities of his stock to Peter Henderson and 

 John Henderson, of New York, and Mr. Dreer, of 

 Philadelphia. The flowers created a sensation 

 and the plants in consequence were in great 

 demand. 



We find a record of the Lady Hume Camp- 

 bell violet as far back as 1884 in the Gardeners' 

 Chronicle, of London, England. It is said here 

 that the variety had been seen growing in the 

 gardens of Harefield Court, Rickmansworth, and 

 that it was exceedingly vigorous. It was re- 

 garded as a vigorous strain of Neapolitan. It is 

 stated further that the variety had been brought 

 from abroad several years before by Lady Hume 

 Campbell, and planted in her gardens at High- 

 grove, Waltford. Soon after it was noticed at 

 Lady Campbell's place by a Mr. Turner, who 

 bought the stock and presumably put it on the 

 market. It was imported in 1892 by Mr. H. 

 Heubner, of Groton, Massachusetts, who obtained 



