PLATE 65 



'Ol 

 



6 



I. Stone cells with starch of Ceylon cinnamon (Cinnamomum reylanicum, 

 Nees.). 2. Stone cells with solitary crystals of calumba root (Jateorhiza 

 palmata, [Lam.] Miers). 3. Parenchyma cells, with starch of cascarilla bark 

 (Croton eluteria, [L.] Benn.). 4. Cortical parenchyma with starch of sarsa- 

 parilla root (Smilux officinalis, Kunth). 5. Cortical parenchyma, with starch 

 of leptandra rhizome (Leptandra virgi-nica, [L.] Nutt.). 6. Crystal cells, with 

 solitary crystals of quebracho bark (Schlechtendat). 7. Bast fibre of black- 

 berry root with starch (Rubus cuneifolius, Pursh.). 



