EMERGENCY FOOD PLANTS AND POISONOUS PLANTS 



12 



■ 12. Specific Ferns. — a. Tree ferns (Cyathea). — Being 

 chiefly forest ferns, tree ferns may sometimes be found in 

 deserted clearings especially in more or less constantly wet 



Figure 2. — Swamp fern {Ceratopteris thalictroides) . 



regions. There are many different kinds and they are often 

 abundant and are sometimes up to 25 feet high or even 

 more. The young leaves as they commence to uncurl, the 

 so-called "fiddle heads," are tender and may be eaten raw 



