PLATE 79 



RAPHIDES 



i. Phytolacca root (Phytolacca americana, L.). 2. Squills (Urginea mari- 

 time, [L.] Baker). 3. Hydrangea root (Hydrangea arborescens, L.). 4. Con- 

 vallaria (Convallaria majalis, L.). 5. Carthagean ipecac (Cephcdis acuminata 

 Karst.) 6. Bundle of raphides from false unicorn root. 



A. Bundle surrounded with mucilage. B. Mucilage expanded and par- 

 tially dissolved. C. Bundle free of mucilage. 



