PLATE 79 
(Vv 
RAPHIDES 
1. Phytolacca root (Phytolacca americana, L.). 2. Squills (Urginea mari- 
tima [L.] Baker). 3. Hydrangea root (Hydrangea arborescens, L.). 4. Con- 
vallaria (Convallaria majalis, L.). 5. Carthagean ipecac (Cephelis 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. 
