128 THE ALUMNI JOURNAL 



MICROSCOPIC PHARMACOGNOSY. 



Spring, 1913. 



1. A powder contains the following elements: Palisade and meso- 



phyll cells filled with chlorophyll crystal bearing fibres ; hairs 

 unicellular, curved, rough, walled, guard cells surrounded by 

 two bordering cells ; cubical crystals. Identify it. 



2. State the diagnostic element or elements in each of the follow- 



ing drugs : a. Scoparius ; b. Physostigma ; c. Matricaria , 

 d. Hyocyamus ; e. Brassica Nigra ; f . Spigelia ; g. Senna ; h. 

 Ipecac; j. Nux Vomica. 



3. Illustrate by sketch the form of the crystal found in each of the 



following drugs: a. Senna; b. Belladonna Root; c. Sarsapa- 

 rilla ; d. Hyocyamus ; e. Myrcia ; f. Castanea. 



4. How would you distinguish between a powder derived from a 



leaf and one derived from a flower? 



5. Name the cell contents found in each of the following drugs: 



a. White Mustard ; b. Senna ; c. Ceylon Cinnamon ; d. Hy- 

 drastis ; e. Licorice ; f . Stramonium. 



6. Illustrate by sketch the structure of the epidermal cells of coca 



leaf. 



7. What elements are found in powdered quassia? 



8. Name all the elements found in a powdered leaf. 



9. State how you would identify powdered chestnut leaves when 



mixed with powdered senna leaves. 



10. Name seven drugs having characteristic trichomes. 



11. State how you would distinguish between Rio and Carthagean 



Ipecac. 



12. State the histological difference between white and black mustard. 



13. Illustrate by sketch the structure of powdered Saigon Cinnamon. 



14. Name three drugs containing characteristic trichomes. 



15 Sketch and name the elements found in powdered Physostigma. 



