Cosson, E. 



Académie of Science 1862 page: 119-218. 



I would be very fortunate to be able to enrich my library, with the collection of your 

 important works, which I would highly appreciate and for which I give you merit. 



I am specially interested in your research of the conifer groups, and you will see that I 

 am in the process of sending you at least fragments of the species that I pocessed in 

 the herbarium, not having had the pleasure of being able to offer you a sample. If I 

 did not think I would be abusing your kindness, I would be very much obliged if you 

 could let me know each time they are for sale. Of the principal collections fumished 

 by travelers, I would be very inclined in making their acquisition. 



I was very happy with the plants from the Rocky Mountains, coUected by Mr. Hall 

 and Mr. Harbor. The samples are sometimes incomplète, but they are very well 

 prepared. The séries of species are very interesting in a botanical geography point of 

 view. 



I must now give you some sad news. Our excellent friend Monsieur Gay died the 18 

 of January of this year of an illness which however grave did not seem to decrease the 

 affection that many that knew him had for him. 



Please, Monsieur, accept my renewed thanks and my most distinguished sentiments. I 

 am at your service. 



E. Cosson 



Paris 19. rue degrand Chantier 

 (Marais) 





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