armspannig a 

 Arongewachse n pi 

 Aronstab m 

 Art f 

 Artanfang m 



Artbastard m 

 Artbildung f 



artfremd a 

 Artkreuzung f 

 Asbestpflanze f 

 Asche f 



Aschenbestandteil m 

 Aschenermittlung f 

 Aschengehalt m 

 Ast m 

 Astanlage f 

 Astfaule f 

 Astholz n 

 Astranke f 

 Astreinigung f 

 Atemhohle f 

 Atemoffnung f 

 Atemwurzel f 

 Atmung f 

 Atmungsnahrungsmittel n 



Xtzkalk m 



Xtzsublimat n 



Auboden m 



Aufastung f 



Aufbauen n 



Auffrieren n 



aufgeblasenes Leimkraut n 



few-barred 



Araceae 



Arum sp. 



species, kind, breed 



a mutation which has not as 

 yet established itself as a 

 species 



species hybrid 



formation of species, specia- 

 tion 



of unlike species 



species hybridization 



milkweed 



ash 



ash constituent 



ash determination 



ash content 



branch, knot (in wood) 



branch primordium 



branch rot 



branch wood, lap-wood 



branch tendril 



natural pruning 



air chamber 



stomate 



respiratory root 



respiration 



food substance used in respi- 

 ration 



unslaked lime 



corrosive sublimate 



marshy soil 



heading 



synthesis 



frost lifting 



bladder campion, Silene in- 

 flata 



21 



