—Ex-amine roots of the water hyacinthand mangrove, and observe that theroot-caps at the tip are so much de-veloped as to be visible to the nakedeye. Expt. 9. Growing Portion of aRoot is near Tip.—To show thatonly the lower portion of a root growslonger, put a seedling, the root ofwhich has been… … ^» Fig. 10. — Longitu-dinal Section throughthe Apex of a Root a, Axis ; r, cortex;gp, growing-point; cc,root-cap. 32 COMPANION TO TROPICAL READERS paper to show the exact position of the marks put onthe root. In three or four days compare the root with the copy, and observe thatthe marks are…
Nature study -- Juvenile literature · Natural history -- Tropics · Natural history -- Jamaica
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