PLATE 8 1 



Inclosed Rosette Crystals 



1. Hops (Humulus lupulus, L.). 



2. Bracts of cannabis indica {Cannabis saliva, variety Indica, Lamarck). 



3. Medullary rays of canella alba. 



4. Parenchyma cells of mandrake {Podophyllum peltatum, L.). 



