PLATE 45 



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.). 



