270 Hill and de Frame. — The Structure of Seedlings . 
/ 9 A 
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c 
Diagram i. Coreopsis tindoria. x 28. In this and the following diagram the xylem is 
indicated by black areas. In both diagrams A, B 5 and C illustrate the levels similarly lettered in the 
analysis on p. 271. 
Fig. 1. Nat. size. 
