LAB 1 PART 2

Dermal Tissue system (part 2)

Shepherdia canadensis (Indian ice-cream)
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The furry lower surface of Shepherdia canadensis under a dissecting scope...

After scraping some of them off and mounting them on a compound scope:

Stellate arrangement of trichomes (young)

Another cluster of trichomes except this one is older/more mature


STEMS

Stem anatomy

Coleus Stem tip

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Monocot vs. Eudicot Stems

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Monocot stem cross-section *note the position of the vascular bundles - they are all over the place

Eudicot stem cross-section *the vascular bundles are more organized; they form a circular arrangement

Sambucus (elderberry) Cross-section
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Linus usitatissimum (flax, linen) cross section
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Thank you to Casey and Chloe for the fantastic cross section slides.