Zweibrücken, March 3$ 1869 



Dear Sir: 



Some time ago I earmarked some of my algological works for the library of your academy, 

 sent to Mr. Flügel in Leipzig, who has Charge of facilitating the literary exchange between 

 the scientific institutions of America and Germany, which you perhaps have already received. 

 With this letter I merely wanted to take the liberty to ask if you are inclined to enter 

 into scientific coramunication with a German botanist; in this event I can pretty well place 

 at your disposal the middle European flora of Germany, the eastern of France, of Switzer- 

 land, but preferably of Germany, as well as in -ohanerogams also in cryptogams. In the 

 domain of cryptogams knowledge I possess an exceedingly rieh collection of the middle 

 European mosses and the sweet water algae, in which latter domain I particularly work. 



Will you please honor this letter, which I am addressing to you at the Suggestion of 

 Dr. Flügel in Leipzig, with a reply and at t}ie same time indicate in which families of the 

 sections you are especially interested, I will immediately let you have for selection 

 that which is agreeable and desired by you. I has long been my desire to establish sei«tlfic 

 connections with some American scholars of my profession, therefor I thankfully and happily 

 followed the friendly Suggestion which I received from Mr. Flügel, to address you and I 

 cherish the hope that I have been directed to the right address. Although recently my 

 special botanical work has not also taken me to the domain of phanerogams, I hope never- 

 theless to be able to adequately satisfy your wishes in regard to the flora in the above 

 mentioned domain. For individual families and genera I can even refer to my own few 

 works in this field in giving you some entirely special Information i.e. from the family 

 of the compositae of individual genera like Hiera cium , Cirsium , in reference to which 

 latter genera I have published several works about hybrids in the now discontinued 

 Bonplandia, published in l859# In this work I have mentioned several interesting obser- 

 vations for the knowledge of the plant formation. Otherwise my special work - as men- 

 tioned - has led me to the area of microscopic botany, of which in recent times I especi- 

 ally cultivate the algae and fungi. Perhaps still this year - if God wishes - I will 

 send to your academy my large work to be published, on which I have worked a number of 

 years, about the Dermidiaceae. If you will kindly honor me with a reply, then from here, 

 where at present I am employed as teacher of the natural sciences, I can make a shipment 

 to you of mosses and lichens from the Rhenish flora, bec^use the largest part of my 

 collection in my parental house in Erlangen I have standing in trunks and these, because 

 of the uncertainty of my professorship at that time in my place here, I cannot carry 

 around with me; however during my vacation, which I ususlly spend in Erlangen, I can 

 -cromise a rieh shipment of phanerogams. Will you -nlease let me know in which families 

 you are principally interested, and in which manner you wish to complete your collection 



1 



cm 



8 9 10 



Missouri 

 Botanical 



Copyright reserved Garden 



