St. Louis, May 9, 1877 



Dear Doctor 



I must ask to be excused because I did not ans wer the letters 

 of March and 29 and April 10. I was too rauch lnvilved in other work 

 to get to it. 



Many thanks for the intere sting notes, which you seilt along. I 

 return drawings and photographs. 



Further, I send one of these days a sraall case of live cactl i : 

 Opuntia Klelniae (comes fron prince Sälen colleotion, and bloomed here 

 several tlraes, but produced no fruit. 0. £caTta.pageia and O. nyriacantha 

 n sp from. Agassi z 1> Q 72 brought fron the Gallapa^os Islands. - 

 Q-p . microdasys which you wanted to have (comes fron Sälen), 0. ruf ida 

 sirallar to that one, I received it fron Texas .( North Mexico) f have 

 not seen it flower, seems to ne identical to the one so called, which 

 I have seen in dried State only; is certainly very c'lose to micr o - 

 dasys . Cereus setis-oinus (Dr. Weber changed this to lonprispinus ,E. D. ) 

 has never flowered for me,but through grafting and good culture friendj 

 make it bloon well; it is an off spring of old plants, which I received 

 ?M years ago. 



Also I just receive a small shipnent from Arizona, and, in the 

 hope to be able to obtain more of it, I send you the only speciraen 

 ever brouprht into cultivation of Echinocactus "oolycephalus as well 

 as some flowers (with their wool sfcmilar to intens) • Also, very 

 young £c h i n oc ac tu s , wh i c h I got from E. Johnson from southem Utah. 



Opuntia arborescens fl owered here f requently , and 2 years a^ro 

 I saw it by the many thouäands in southern Colorado; in September, 

 with their yellow fruits they look like flowering bushes. Because 

 I thought nobody was intere sted in the plant, I did not take any 

 fruit with me. I cut a section off here, which as with Kleiniae , 

 rotted when I wanted to dry it. These cylindrical Opuntlae rot or 



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