. Elementary principles of agriculture; a text book for the common schools . Fig. 24. Cross-section (B) and longi-section (A) of stem, greatly magnified. P, pith; d, d, water ducts; m, medullary rays; w, woody portion of stem; c, delicate cambium or growing cells; s, phloem of food-conducting cells; b, hard fibers; ck, cortex; e, epidermis.

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Keywords: ., bookauth, bookcentury1900, bookdecade1900, booksubjectagriculture