Ree. Bonrr Sept. 23 

 Ans, w 24 



Dyck Sept. l6 t l857? 

 (from end of this letter) 



Ybur Wellborn 



permitted me to open the package, which had arrived under youF 

 address at Dyck. It contains beautiful drawings and, again, proves 

 to me the lack of knowledge of the number of cacti still unknow to 

 us. . 



Of the plants from the herbarium not Hoocker I have only/ Oer.. 

 Wendii and the Op..( Cactus ovatus Güll); The first is C er» Baumannil' , , 

 and the latter^ Opuntia aoracantha Lero. - I do not know anything to 

 say about the Dislsocactus phyllantoides Lindl. . The flower is notr 

 wheel-shapedn (rotatus) N , and thus the plant does not belong to trib.. 

 Rhlpsalideae :1t is also not a Phyllocactus , and, thus, remains only 

 Dislrocactus; to which genus one would have to place it (ät least 

 in the meantime) • * 



About the two cacti of Weddellll can also give only little in- 



formation..I shall follow the sequence of numbers, jumping the 



about whichPI know nothing to say.. 



üb. 6 is a Discocactus and most likely the trlcornis from Mon- 

 ville. - G'aleotti introduced it with another Speeles from Brasil; It 

 is in my work pag. 140 (as D.alteolus) described ,and illustrated in 

 the Pfr. pictures 2.t.28.. 



No.l^ I dare the supposition H does not this Illustration depict 

 the Pilocereus polyleptus DC w ? The weak ribs and the thin spines, 

 as well' as the habitat of the plant lead me to this guess. As, by- 

 the- way, this species is in the Paris Garden, it will 1 be known.. 



No. 16 is an Echinopsis; may-be crlstata ? I do not believe it.. 

 Mr. Pazzani, who was here with me yeasterday, showed me a dried flo- 

 wer of Cer. lumprochlorus, and that species is also an Echinopsis. 

 Thus, said by-the -way it will probably be with Cer.candicans. . 



*>. 29 ls Cr^Baimannir . Mr. Pazzani assur« 



me, that Cer.. 



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