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I already wrote to you aböut'the two Bchinocerei fron San Luis, which 

 are common elsewhere, acif er and. c i ne ygjL s c e ns , wh ich I know well in nany 

 forms(with spines, which are quite variable) ; the scartet- red acif er 

 is quite different fron the violet or rose-red cinergscens , of which 

 I sent you seeds. A number of cultivated forras nay belong here;possi~ 

 bly also ny strfl&nineus 



Yes, I had not thought of pectinatus and subtr^yyj'S , equally 

 not of Bolandierl and prostrata ;- pentalophus , Ehrenbergi l , Blankil' 

 and others I do not know and they nay be nerhaps W synonyms of the 

 above; that they all vary much in srine Formation, you k-now as well as 

 I, 



- |j pnfri setus I gave to a Warden, and the^e it does worse than^rith ne. 

 Sihce 20 years it has only a weak sprout emer^ing fron the base, while 

 that of the previous year has died off; thus it ve^etates , but I cannot 

 send anything, You did not seen to fare beider or rather worse. 



I could put you into shock about Mam . micromeri s , by telling you, 

 that I find analogies even with Melocactus ; e.g. the flowers therasel-, 

 ves and the ephemeral* club-shaped spines of the flo^ering part of the 

 plant. I did , study Melocactus well , thou^h ny naterial is not rieh. 

 The sad part is, that, if one gets to see a Melocactus in flower,one 

 does not get the Chance to dissect it..However, I do have dried mate* 

 rial, which does show ne the transition fron the spine-bearing to the 

 f 1 ower-carrying part of the plant, a^d Droves that spine fornation 

 ceases entieely at the inf lorescence, not being nodified. 



I an glad, that you have Opunti a rutila; I had it several years 

 in the open and in a cold winter it perished; I had raised it frora 

 seed. I, now, have a corre spondent in Sa^ Bernadino , who , though a 

 f armer, is interested in botany and also cacti; he has cultivated a 

 nunber of the cacti there, and I shall send to hin.what is not doing 

 well f or ne»~ but not just now the unhappy lonprisetus. 



You leave Paris and will have to install yourself anew. Rouen is 



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