STRONG DRINK AND TOBACCO SMOKE. 71 



contains an abundance of very thick walled, porous cells, 

 lying scattered or in masses amongst cellular tissue. 

 No such cells as these exist anywhere in the tobacco 

 leaf or plant, and they are so characteristic as to pro- 

 claim at once theii* nature, if not their exact origin. 

 The hairs are simple hollow filaments, and are occa- 

 sionally branched. 



It is unnecessary, even if space permitted, to allude 

 further to snufi" adulterations. It is sufficient to have 

 named them for the purpose of showing the student in 

 what direction to look for the purpose of observing and 

 detecting them. 



Any student wishing to gain an elementary knowledge 

 of j)lant structure, cannot, I think, do better than follow 

 me in this analysis of " Our Strong Drink and Tobacco 

 Smoke." 



