Millardet Rec. March 13 Ans. Feb.16, 1883 



Bordeaux, Feb. 19, 1882 



Sir and dear correspondent, 



I answer very betatedly your excellent letter of December 16, I beg that you excuse me. 



At the same time as I received your letter I received you package of seeds of Riparia, of 

 Phoma and of Crataqus. Thousand thanks for the remittance and for the détails that 

 you included. I gave the Crataqus seeds to our botanical gardener who will spread this 

 seed throughout Europe. 



Your seeds of Vitis arizonica and californica. gave birth to superb plants more than one 

 meter tall, that are entirely similar to their descriptions. Both are very résistant to the 

 Phyllonera. However the Vitis cailfornica is so sensitive to the mildew, that it will not 

 be able to be cultivated in the Bordelais. 



The seeds of the Vitis Luicecumis? gave birth to very small plants, they are stunted 

 and I have not been able to plant them in the ground for fear that I may loose them. 

 They are very sensitive to the Phyllonera. Will they live in our climate? 



Thank you for the observations that you have sent me in regards the description of the 

 "bluffs" and about the word "somenteux" applied to the pubescent types of the Riparia. 

 It was my error and I will rectify it when the occasion arises. It cornes from the nursery 

 owners, that are not always up to date in their terms. They say indifferently Riparia 

 pubescent or somenteux, even if they are not synonymous. 



The gênerai opinion in Europe is that the Oidisum Quetherie, does not corne from 

 America, because it was seen for the first time in the greenhouses in Margate in London 

 where they in ail likelihood were grown under the American variety (1865 and 1867). In 

 1868 we found it at Versailles and finally in 1869 it was found throughout Europe. 



The other reason is that we never observed in Europe the type of Erysiphe. On the 

 contrary you know that this Erysiphe was observed in your country, I believe by several 

 botanists ( look at a report from Thomas Taylor, in The Report of the Commissioner ofd 

 Agriculture for 1871, published in 1872. 



It is true that even around you the Oidisum is hardly harmful except to the European 

 grapes. But this does not prevent it from growing on the American varieties, but in 

 smaller amounts. 



For the Oidisum as well as for the Phillonera there will have to be very interesting 

 adaptations in regards the indigenous vines. 



I will also add that there are nearly no American vine ( except certain hybrides of the 

 Vinifera), that suffer from the Oidisum, in our climate. 



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