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Today we know that it is the Cereus pruinossus and only this Cereus is quite rare 

 in San Luis Potosi where it is much to cold. It does better in the Tierra Caliente where it 

 grows nearly everywhere in Mexico. 



You told me that you owned drawings similar to those of Parry that represent 

 Cereus geometrizans, marginatus, etc. I would be very greatful if you would send them 

 to me so I can copy them. I will return them by mail. 



I will again ask Mr. Schlemberger for a flower of the Mammillaria senilis and I 

 will send it to you in my next letter. 



In the meantime I send you my best wishes for the New Year and remain devoted to 



you. 



Alb. Weber 



You promised to send me in the spring your old 

 Echinocereus longisetus so that I can graft it and 



multiply it over here. Would you have a Echinocactus papyracanthus for me? 



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