6 



Fr i nee Salm 



Sept. 28, 18*1-8 



l'ila del Fenasco, in locis tenperatis". * This species of Schiedweiler 

 must keep its nane, and can do so, , because one or several central! 

 spines are present, if not always, though^anyhow^ nostly. It has white 

 spines at the tip raore or less öeddish or brownish colored.* However,, 

 I posess sceletons with 1 entirely reddish' a^d white spines, which n.ay 

 perhaps belong to your viridif loreus, . orretispinus; your 



coespi tosus on the other hand, with out central spines, and prolife- 

 rating nore f requently, was known und er the garden nane Eoh . Reichen- 

 bachii (I know of no diagnosis df it)' and I was able to conuare this 

 plant with yours, . - Thus reriain the two species and the two nanes. 

 The 3 new above-named, as well as your d a syacar thus ( belonging to 

 mul t angul o sa e ) are species un. v nown to us, 



röur ♦ . costati; we niss almost all, but we posess species,, 

 which you missi : First the Cer. cinerascens PC - Decandalle mentions 

 3 var., of which the tenuior^ became Ger, Ehrenbergii,, and the cras- 

 sior was later described in Berlin as Deppei» . Under the nane C.aci- 

 ? er there came fron there a plant, which belongs here, and which in 

 the nura^rer of ed^es, the peripheral spines, and almost also the 

 central spines ( which, however are nostly only 3) a^ees with your 

 polyacanthus. I have ne^er seen a^other rlant with 13 edges, and 

 much longer, 2 inch, and stronger spines, which could hardly be oon- 

 bined with the preceding, though the nunber of spines agrees nore ex- 

 actly with yours. - You had the kindness to send to ne £ch, or Cer. 

 Roemerl - and of the Costatls aculis corapressis I have one with 8 

 edges 11 aculis rad. 8, contralibus *J-, quorura infirmus bipotticapis 

 applanatus" ; the other, which will fir reither your enneaca^thus - nor 

 to triglochiviateus ( of which you sent ne a sceleton, . as also of Fend- 

 leri) # I cannot exactly neasure, just how far the plants in this di- 

 vision can vary with out terminating to belong to one and the sane spe- 

 cies,. 



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