Grandmarais, Viaud 



Rec. October 22 



Nantes place St. Guerre July 11, 1883 

 to the scholar George Engelmann, St. Louis 

 My Dear Sir, 



Your letter, your very interesting work and your two Isoetes, arrived during my absence. 

 Please accept my excuses for the involuntary delay that has occurred in regard to my 

 response. 



I add to this letter three Isoetes, taken from my herbarium: the Duricei fuli of fruit, the 

 Boryana long and spindly and the Echinospora small and short, that you recognize 

 because in the United States there are some very interesting varieties. One portion of 

 the Groetes americanis are missing but I have no title under which I could ask them 

 from you. 



Presently I am only busy with the Lichen and I wll be in contact with several of the 

 scholars in your country in order to exchange them. I have the works of Tuckermann 

 who, I believe is one of your friends. I regret that he did not mention the Chemical 

 reactions of your lichens, reactions, that help greatly in their diagnosis. He says that the 

 Parmelia perforata bare fruit frequently. It is a species that we recognize here because 

 of its reaction and which we never find fully developed. It would be so nice to see it full 

 of fruit. 



Please accept, dear Sir, by tributes, considérations and thanks. 



Viaud Grandmarais 

 Prof, at the Médical School 



In the month of Mardi we will be able to send you as many Groetes Hystrix as you 

 désire. 



translation Manfred Thurmann 



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