2 



- ^ ■> ^.« 





Conservations on vegetable Physiology, comprehen- 

 ding the elements of Botany, with their Applies 

 tion to Agriculture. By the author of Conversa- 

 tions on Chemistry, Natural philosophy ..etc etc. 

 with copperplate; e^graiyings-A 8vo.^ New-Jork, G. 

 €t C. et H. CarTiiri830 with remarks on veee- 

 table Physiology etc. 



The american ^purnal of ^cience and arts conducted 

 by Benjamin Smiman^WVol. 'iXVII, XYHIjlIX, 



T 1 .1 ' ^ ' ^ 



Chemical observations and experiments on lobacco; 



-Mr. n'^va.C.y_a>rmelkM^B. FbI^^rilp:^J 



' IJeii Ve«f.' wiurd0^au:'^ifatiif gena^^ 

 sti^ungijder ^li'ab^eksbmter be^bge^i -da^ iljnr: I^elhe Vrfi- ' 

 staftdi,g|!f ' ^|jeka5nt^%ar ,^ >ti^d,.; W a% c q n-e-K tf y "iridem : er m- '- 



^inige jiesfan^theile a^tse^^^^ ' 



naHai(^Starkemehl,f^w^Jchen. derv ^ei-K nIcliE daWjlaiiffiiv-/ ' 

 deri konnte* ■Fol gender -vi^aren die von- ihm' geW^tfrica- 

 Bjestandtheileri vt)u(GjMBini5 2)>gchleim od^r einffy sdwoU 

 itn; Wasser^" : als -iii Weingeist^ losliche -SybstaWj' welclic 

 au»fe<Ier di^eser ir]Us^igkeiteii,^dm-cb'' tfnli'ressigsaures'BIei 

 niedergeschlagiqn-'werdeh" koiinle; 3) -Gerbsloff^- 4) GaUtis-' 

 saurej 6) Chlotop%]l; 6) tefee-gvuhe pvlverige^JVIaterie in' 

 siedehd^m Wasser sich^anfl«s6fid und bei dfessefr'Bikaft^ 

 •wiedet i-niederisinkettd^, ''7) ■ eiii'kelbes, Oh "WeleheSv ijn '■'^^'^' 



Stoff 



ia^k&U^.^^t festniianflosUch bt;if)e^^<^^ _ 



gerolher Farbestoff mur'an SSaren ^tifiosii^^^ 





