A cross section of a bamboo stem, showing the vascular tissue used to move water and nutrients through the plant.        Image by Dr. Jim Haseloff, University of Cambridge.

A cross section of a bamboo stem, showing the vascular tissue used to move water and nutrients through the plant. Image by Dr. Jim Haseloff, University of Cambridge.

Cross-section of very young beech . . . plants are as beautiful on the inside as they are on the outside!

Cross-section of very young beech . . . plants are as beautiful on the inside as they are on the outside!

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