CONDUCTING TISSUES 



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Plate 45. — Conducting Tissue. Ducts or Vessels. * 



1. Quassia wood. (Pitted type.) 2. Taraxacum root. (Reticulate type.) 

 3. Sarsaparilla root. (Scalariform type.) 4. Stramonium leaf. (Fragments of 

 spiral vessels.) 5. Pumpkin stem. (Annular type.) 6. Belladonna root. (Pitted, 

 with bordered pores.) 7. Pumpkin stem. (Spiral type.) 



