San Antonio, Aug. 6, 1878 



Dr. George Engelmann, St. Louis 

 Dear Sir: 



I received your friendly letter of July 8 in due course and thank you for 

 the information given. 



Regarding the Nam . micromeris I can also verify what you say in your report 

 according to the note from Mr. Wright, flowers central, the flower appears in 

 the innermost center point, between the thorns of the not yet fully developed 

 thorn-bundle, the fruit depending on the growth, as far from the center point 



as in the meantirne of 2 1/2 to 3 1/2 months the ascola has pushed forward, 

 usually 1 1/2 - 2". I still possess only one specimen, think however that by 

 Winter I will receive more and will send you some next Spring. Herewith I am 

 sending my entire seed-harvest of this cactus. These days I also saw that other 

 charming cactus M. Lasciacanthus , the owner had only 2 specimens and I could not 

 obtain any even though I offered a good price. 



The Cereus Enneacanthus has a violet bloom and closes in the evening. Re- 

 garding Echino setispinus and sinuatus I remain observant. Your supposition of 



the from Fort Davis is entirely correct, the lower 



marginal thorns are woody and it therefor is E. unrinatuff * 



Of Cereus .... acanthus I received a few seeds and they are Coming up well, 

 also Mammillaria Indicata Cereus germetrizans, for the sending of which I am 

 very grate ful to you. The growing from seed is of course monotonous but for 

 me very interesting, the development often highly peculiar. Also I grate fully 

 accept your off er to send me some 0. Davisii, because all of mine are gone and 

 those from Prof. Boll sent along from the Wichita Mountains, did not grow t 

 From Ortifida I also have never seen a flower even though I have large and old 

 plant s. Through the above gentleman I also received galls on the Vitig riparia . 





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 Botan ical 

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