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Dr. E. Putfkinye 



Aug. 20,1875 



and concentrate. I would be very gl ad, if I could receive seeds,, ca- 

 pable of germinatiorr of north-american trees and shrubs,even in smalll 

 quantities. In the coraraercial gardens and botanical gardens in Europe 

 so rauch is missing, and so rauch is incorrectly labeled. I would. love 

 to see Ulraus alata , , araericana and f ulva alive.I do posess the f ulva_ 

 as I believe,but I do not believe the^ase quite,as they were not growrr 

 f romra seeds ; gathered in the wild» .U. alata I do not yet see cultivated 

 in Europe and a ra e r i c a n a a 1 s o in very fdubious specimens, which do not ! 

 set fruit. It seeras to me, by-the-way, that the fulva in Araerica raay 

 have two equally different forms as the raontana in Europe#. Of this one 

 finds an opaque (the German word is" opace* 1 ? E.D.) f orw in West and 

 Central Europe, while a white-hairy form exists in^the Caucasus and the 

 Hiraalayas.If Araerica varies such, I do not know, as I have seen only 

 few specimens so f ar. The ef f usa , corresponding to it, is extreraely con- 

 stant, and there are, as far as I know, no varieties in Europe. In con- 

 tra st 1 ca£npe£t2ll£ is truly protean,and even if one takes seeds of one 

 tree,one gets very different shaped off Springs, which, on top of it,, 

 produce each year leaves of different shapes f , which raay be the case 

 for all elras,or probably^ raost trees but not to that extent. I , also,, 

 would like to ge^ acorns of araerican, specially californian localities.. 

 Karl Koch- puts Quercus castanea with Prinos. It can be easily ' dif f eren- 

 tiated in Winter in the bud State and really reserables an old world 

 species, and has an entirely different raicroscoplc structure of the 

 leaf. I believe, that the europaeans do not know rauch about araerican 

 oaks,because they have not seen any trees, and, thus, they corabine and 

 split species^, to raake Arae^ioans certainly laugh. # . 



I 1 have already seen- stränge cultivated oaks frora Araerica { de- 

 finitively designated specific species) , which I co,uld not identify ,. 

 but which 1 in Araerica certainly every child could narae. Here, ro numy: 



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