PLATE III. 



Fig. 5. — Side view of a very young Stiginarian root. (Page 6.) 

 Fig. 6. — Under surface of Fig. 5. (Page 7.) 



Fig. 6 a. — Six of the rootlet-scars from near Fig. 5 a. Nat. size. (Page 29.) 

 Fig. 6 h. — Six similar rootlet-scars from near the point x of Fig. 5. Nat. size. 

 (Page 29.) 



