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France Salm 



July 1. 18 51 



In the ^ cent-ri spinal determined a new Speeles und er the name 

 Mam. splnaurea ^nd , also, a very stränge Echinoc, lophothele c e- 

 phaloideae) • Both species came through Mr. Fotts from the area of 

 Chihuahua. Our connercial plant distributers complain about the 

 destruetion of several of theit species, which I consider only vari- 

 eties, but I am never-the~less convinced, that I have been too le- 

 nient , and sbould have proeeeded in a sterner nanner. . If one con - 

 templates the deviations offeved.. by original Alants, and how much 

 th e forms cba^^e accor^ir.fr to habitat of the t>lant s; aoeording to 

 theitf^northern or southern habitat, one must consider the character of 

 each species in broad outline, and emphasize the symetry of their 

 parts. In this way, all the little differenoes di sappear , and only 

 the important and specific Character renal ns.. Tfre number of species 

 still unknown to us is large, and every shipment brings new ones,, 



The little Cereus, which Your Wellborn sent to me, and which 

 is considered in St. Louis to be Deppei, has fl owered", It is defi- 

 nitely not Deppei ; could it not be your C. prostratus ? 



(Jttly 6) The shipment from Linke in Berlin has arrivedf.. The 

 plants had been collected by a Mr. Poselger, , and there are some good 

 ones..A Echinoc. . Rinconensis is my Eon. lophothele» An other as Ech> . 



ornatus ( "«retip-pelt 1 * neans probably covered with f ine 



spines ?"E.D.), but with quite different , curly spin.es - then 2 

 others, Ech . tulensis and potosinus, new to me: further a Gen. necti- 

 natus ? with long, central spines: further still a Mam. liona ( M. 

 Ephacelata , or , a t least, c 1 s e 1 y rel a t ed ) and Man • Bocas , wh ich b e- 

 longs to ^ crinita and seems to be new.All the namings by Mr. Posel- 

 ger are chosen unf otunately. My y hg lonj um -i y - tum Is also one of 

 the collected plants-, and is important concerning its homeland. The 

 Jteh. tulensis ( or sallnensis) seems to me to be more a Mani Ilaria,, 

 which will have to be positioned next to H.. rhaphi dacantha • All these 



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