11 - Prinoe Saln May 1, 1848 



tire tribus has no possible contact with the preceding tribus Rhip- 

 salideae ; it does not nake any difference with which genus I start; 

 only, I um st take care» , to find a. good transition to the f ollowing 

 tribus Feirescieae , and this is given quite well and correctly 

 through the ^ of the Op. p aradoxa » There is also the ^ Micro - 

 iphylla in the Opun.tiae , which gives me sorae trouble. First, it is 

 quite uncert^in, if Op . clavariold.es really is an Opurtia ? She 

 comes from Chile, and was consldered at f irst as a Gebens , and was 

 brought into the genus Oruntla o^ly for its raicrosoopic f lo^ers and 

 scales below the areoles in its youngest tips. It is in this genus 

 an abnomal form, which may find for the best ( as Pfeifer has don e ) 

 a place at the end of Op . cyU^dracea . 



After this long but very Condensed overview of the fanily, there 

 reamlns for me to thank Your Wellborn for your Communications, and 

 for your shipment with the anticipation, that I will write to you 

 after it arrives-. As n^nerous as the cacti are already, we raay per- 

 haps not know one half of them. E^ery area, even explored only roughly, , 

 brings new contributions; How will it be, when the Flora of the en- 

 tire America will be known as exactly as that of Germany or France ? 



Concerning the cultnre, we h*ve still o lot to lea^u W6i.d:ftyc*»t 

 We treat the cacti too uniformly; we put them in Winter in one and the 

 same house, without questioning much, if they came fron warn tempe- 

 ratures or fron cold areas. In Summer we put them into the open air, 

 and with our öfter wet and cool days, it is again too uniform. The 

 majority does thrive though 1 , there are however Speeles, which. get 

 Sick thereby, and that they do not flower.is hardly a worder. 



Receive Your Wellborn the assurance of my ne^f e ct hi<?h esteenr 

 Your F. (prince.E.D. ) to Salm Dyck 



Dyck May 15,1848 



(translated from German Script by Edgar Denison, May 1988) 







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m 



1 s 

 cm 



! 3 A 







I 7 8 9 10 Missouri 



BOTANICAL 



