2 



have learned to know exactly.of which I know the f Towers and fruit« 

 Further I care to exactly de terra ine the Synonyms» What concerns the 

 exoties (i.e. cacti out siele of our Flora) I must depend on you, as I 

 hardly know the cultivated cacti. You give rae an exemple in your letz- 

 ter in the synonym of Oer , eriopterus ; £>■■....; eriophorus it ca^ not be 

 named, because the older nane Cer , repandus Lin. t Cer . re pandu s Ha w , 

 has been aeeepted a^.d determined , that this is really the sa w .e plant. 

 Thus, it becoraes in the future Oer . renardus(L in) Haw # 



We , further, must r e c ogn 1 z e , wh a t is now n;enerally aeeepted in 

 botary, that no nane is valid, unless aeconpanied bv a sufficient des- 

 eription, which has been published, Öf the cacti are nany, which exist 

 in Wardens only, on labels; these would have to be iernored. You your- 

 seif give me an exemple Cereus nonacanthus Lenaire , a nane, which I 

 carnot find anyplace, one of the oldest, but ne ither Lebouret nor anybody 

 eise aeeepts it. Has it not been published with a description ? If so, 

 then it certainly must be accepte^Änd the name Martini . put asidei 

 otherwise however Martini renain s, though it was published in an ob - 

 scure,not strictly botanical Journal. With rauch cultivated cacti • with 

 such naraes, one could raake an excention. 



De sie-nati ons like Hort, Ber^lin, Hort .Pari s, Kort Angl, would have 

 to be eliminated, bacpjn.se they are not nublications; Otto Pfeiffer, Sälen 

 wo 1 " 1 ^ h a ve to stand instead« 



Do you wart to publicise your new cacti in ny work.thst would be 

 quite nice.but I would want to fcnclude then only if their material is 

 complete,- otherwise the confusion could be possibly multiplied« ; e,g. 

 by accepting H £ereus eduli ssiraus" this would happen on your own State- 

 ment, . 



Why should Parry not have seen o^ noticed the characteristic blue 

 color of Cereus prinosus ? About the grooves I have written already 

 above ; 



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