PLATE XXVII. TANGENTIAL SECTIONS OF TRANSVERSE RESIN DUCTS. 



A-f, I'INUS T.EDA. D and E, P. PALUSTKIS. F, P. KOHINATA. G, P. HETBROPHYJJ^. r. d., resiu ducts; tr., trans- 

 verse tracheids; p., parenchyma. 

 Magnification of originals, 5 ? fi ; of illustrations, i ? a . 



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