Ree Aug. ?.. 185^ Dyck July 17, 185^ 



Ans. Feb. 26,1855 



Your Wellborn 



First I wart to render ny nost obliging thanks for the seeds„ 

 which you have had delivered to me through an unknown party. Host of 

 these seeds have already germinatetf , and specially those of your Oer ». 

 gj a •"■iteus. • @ur gardens will have to thank you for this strande speoies,, 

 and what you say about it and also of Cer « . Thurberl ' proves the XmwwsH 

 in exh^mstible wealtü of cacti of that area, which was opened through 

 the last canpaign to the botarists. .. Unf ortunateljr t do we in Europe 

 reeeive only little of this richness.. 



nid you reeeive last year my last letter and the little case» : 

 which I sent you ? I do not know. It contained sone illustrations of 

 cacti and sceletons of Anhalonium and. of Pelecyphora, through which I 

 wanted to persuade you, that these two plants do not belong to the pre- 

 nus Hanillaria. . Your Wellborn were right, though>,in assertlng, that 

 in the above genus the gern en is not always a prineipio irinersim.- For 

 nie this Statement was important, , not just for the genus Mani Ilaria it- 

 seif (in the diagnosis of which I do not nentiorr the position of the 

 fruit-knot) , but on aecount of the character of ny Ist tribus, which 

 distinguishes itself fron the 6 others through this specific posltiorr 

 of the fernen. - I exchanpeed in the nreceding year several letters with 

 Mr. Poseirrer a^d , also, with you about this subject, and adriitted. no- 

 nentarly, that the Kanillariae with a .<rerne^ exsertvw could be taken 

 out of the genus. Mr. Poselger incorporated them into the genus Bchiro- 

 cactus , and had inserted in the Allgemeine Garten Zeitung" (General Gar- 

 den News) several contributions to the study of Cacti, in which he co - 

 vers this subject and others.. 



I had na de the reservat! on to nane an other way out,a^d, as the 

 simplest idea is always the one occuring the last, I found only recent- 

 ly, how to bring redress with easy effort to the touchy evil.. 



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Missouri 

 botan ical 

 Garden 



