Bio1b Summer 2008 Eric Harris Plants Lecture 5 Page 1 of 2 PLANTS LECTURE 5 ANGIOSPERMS II GERMINATION ANATOMY Reading 7th ed 712 719 779 780 8th ed 738 745 808 809 A Seed Morphology i Embryo dicot versus monocot ii Morphology Endosperm cotyledons Apical meristems Primary tissues Epicotyl vs Hypocotyl iii Dispersal B Germination i Protection of the apical meristem coleoptile hypocotyl hook ii Morphology structure of seed during germination C Plant Anatomy i Cell Types Parenchyma thin walled alive at maturity Collenchyma thick walled alive at maturity Sclerenchyma thick walled dead at maturity ii Tissue Types an integrated group of cells with a common structure function or both Dermal Tissue Epidermis cuticle stomata guard cells trichomes Vascular Tissue Xylem vessels vs tracheids Updated on 07 31 08 Bio1b Summer 2008 Eric Harris Plants Lecture 5 Page 2 of 2 Phloem sieve tube members companion cells Ground Tissue Pith cortex Updated on 07 31 08
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