If you have written me in the course of this year and if you composed a duplicate of your letters I would 

 be thankful if you would send them to me again; I will do the same if you have not received mine. Next 

 spring I could send you a new remittance of seeds or perhaps some plants, if that is possible For 

 example I collected, following your advice, some fragments of Opuntia stenopetala, that I planted 

 awaiting for the time that I could send them to you. I also have a fairly large number of seeds ofthat 

 same species of Opuntia that is common specially around Matehuala, where it flourishes very easily 

 Further north, the ovaries seem to be more frequently sterile; meanwhile the fruits that mature normally 

 are far from rare. I will add in passing that the characteristic that you noticed, namely the single and 

 pomted Stigmata is only an aborted effect; the rest of the flowers where the ovary has produced a fruit I 

 always found a Stylus that was bigger, better developed and that ended in 5 large Stigmata. 



You would really make me very happy if you would answer me as early as possible. 



While waiting, I pray you will receive my renewed and most distinguished sentiments. 



Dr. Weber. 



Please send you response to the following address: 



Dr. Weber, Chief Physician of the Hospital of the Expeditionary Forces in Mexico. In Mexico City or 

 San Luis Potosi. 



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