PLATE 45 





kE)>^.<H):.©:> 



m 



W0( 



mmm 



ii^i 



k^.(^' 



^1 



Vessels 



1. Reticulate vessel of calumba root {Jateorhiza palmata, [Lam.] Miers). 



2. Reticulate tracheid of Hydrastis rhizome {Hydrastis canadensis, L.). 



3. Pitted vessel with bordered pores of belladonna stem. 



4. Pitted vessel with bordered pores of aconite stem {Aconitum napellus,L.). 



