C/t03S 



/aftu/€C€l sprinatircfl Ae/st 



cenp 



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LONGtTUOINAL SECT/ ON 



138. Pine branch: (cfc) cork, (cc) cork cambium, {coX) collenchyma, {cor.'p) cor- 

 tical parenchyma, (rd) resin duct, (o&) old bast, (sjs) sieve-plate, (sO sieve- 

 tube, {hip) bast parenchyma, (p) pit, {vfir) medullary ray. 



