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On right side of illustration: I, Cross-section of testa; Ep, epidermis; H, hypodermis; II, palisade cells on flat; III, isolated palisade cells; IV, hypoderm cells; V, epidermis in cotyledon leaves; VI, hypoderm cells on flat; VII, cotyledon epidermis. On left side: 1-5, Cell fragments of cotyledons; II, starch; III, cotyledon parenchyma (Vogl).