Fresenius, G. 

 18^7, March 27th 

 Frankfurt a.M., Germany 



TRANSLATION 



Dear Friend, 



Through your brother I received your letter of November lOth of last year, 

 together with the brochure of the Lindheimer plants and the seeds. I thank you very 

 much for everything, also in the name of our Natural Science Society fron, 



which I am sending you the desired Röper's Enumer. Euphorbia. I am also enclosing 

 a paper of mine which appeared in the year-book of the Botanische Zeitung: "Micro- 

 scopical miscellenea", and with regard to the Cuscuta arabica, a separate of my articl 

 which appeared in volume 1 of Museum Senckenbergiana, Frankfurt, 183^, which contains 

 a description of this plant; I also broke off a piece of the original specimen which 

 hope might be of use to you. This plant collected by Ruppel in Arabia, which I 

 considered a new species, was put by Decaisne in his Flora Sinaica (in the Annales 

 des sciences naturelles, second series, v. 2, Paris, l83*S P- 257, with Cusc. Ejoithvni 

 Since I am not sure that you have access to the Annales, I herewith copy the article 



:k. p. 165 Hab.: parasite 



the vicinity of Mount Sinai 

 (Thal Aibain 50001 Ruppel). 



Observ. Of the specimen of this plant brought back by Mr. Bove I was presented with 

 the flowers which were projecting or enclosed in the tube of the corolla according 

 to the age at which they were studied; the scales of the corolla are oval and just 

 as much fringed as in the European specim« 



i of Mr. Fresenius I named C. Epithynum . Many of 

 plants with a monopetalous corolla present this difference in height of the stamen 

 according to the degree of their development; the Primulaceae and the Borraginaceae 

 give a striking example." 



Thereupon I wrote to Decaisne as follows: (In French) "This species which you 

 put in C. Epithunum differs in various relations as I indicated in my article. It 

 is less the height of the stames which made me separate this plant than the shape 

 of the corolla which is quite different from that of C. Epithynum. Furthermore, it 

 is not a parasite of Artemisia monosperma, but rather of Peganum Harmala . Therefore, 

 I believe that the plant which is in the collection of Mr. Bove is nothing but one o: 



the many species of Cuscuta which are to be found near Mount Sinai." This letter 



and other notes and Information, remarks about Ruppel' s plants from Arabia I sent 

 to Decaisne and he included them at the end of his Flora Sinaica in the Ann. des 



