TRKI: STEMS 85 



maiiiifac tiirc's will ever aftL-rwards be iiucsted with 

 a s|)ccial interest for lis, because we ha\e seen 

 with our own e)'es how the\' are producefl. 



Just in the same way we shall look upon trees 

 in a new l'i;ht. if we are able in some measure to 

 follow the processL's nature is carr)'ing on in them 

 year 1)\' year so as to ensure the foliage, flower, and 

 fruit, w hich minister so much to our pleasure and 

 |)rofit. 



The four names we must learn about in order to 

 understand the formation of wood are these. I'^rst 

 the outer bark, called ei)idermis, from two Greek 

 words i'pi upon, and (icrnia the skin. Cortex, a 

 Latin word meaning bark. I'^ibro-xascular bundles; 

 this long phrase refers to certain threads or fibres 

 which exist in stems and gi\e them toughness and 

 elasticit)'. i''rom such fibres in the fla.v ])lant we 

 obtain linen, .md (I'lm ihe hem|) fibres ropes are 

 made, hibro c<jmes from the Latin yV7'/v^ a thread 

 or fibre ; and vasciiliim is Latin for a little \es.sel ; 

 we know the word better, perhaps, in another 

 sense as vascnliiin, the tin box in which botanists 

 place their plant collections. 



These thread-like vessels are well called bundles. 



