Plate XIV. 



M.B.T 



FIG. '27. Transaction of tin- stem of a Dicot, Mcnixprrmuin Cumnli-nxr. (one yr.-n 

 >ldi. A, pith: B, epidermis; C, medullary ray: D, xyli-m: E, cambium; F. hast; G, 

 sieve t ubes; H, cortex. (X^O.) Compare with stem of several years growth. 



