. Plant life and plant uses; an elementary textbook, a foundation for the study of agriculture, domestic science or college botany. Botany. Fig. 93. — Leaves of sun-dew magnified, showing the method of capturing an insect. QUESTIONS AND SUGGESTIONS Section 54. 1. Define leaves as to structure, function, and origin. A. 2. Discuss the value of leaves to man. B. 3. Describe a leaf externally and internally, naming its prin- cipal organs and tissues and indicating their functions. Section 55- A. 1. Describe the venation of leaves, comparing monocotyledons with dicotyledons. 2. Define pinnate and p
. Plant life and plant uses; an elementary textbook, a foundation for the study of agriculture, domestic science or college botany. Botany. Fig. 93. — Leaves of sun-dew magnified, showing the method of capturing an insect. QUESTIONS AND SUGGESTIONS Section 54. 1. Define leaves as to structure, function, and origin. A. 2. Discuss the value of leaves to man. B. 3. Describe a leaf externally and internally, naming its prin- cipal organs and tissues and indicating their functions. Section 55- A. 1. Describe the venation of leaves, comparing monocotyledons with dicotyledons. 2. Define pinnate and palmate leaves, giving examples. B. 3. Illustrate by examples of leaves the principle that organs vary in their power to vary. 4. Define and give examples of linear and ovate leaves. 5. Define and give examples of entire, toothed, and lobed leaves. 6. Distinguish between pinnately and palmately compound leaves, giving examples. C. 7. Define pulvinus, stipule, sessile, clasping, and sheathing. 8. Describe the opposite, alternate, and whorled arrangements of leaves and give examples. 9. Describe gradation in the length of petioles, explaining the advantage thereof, and defining rosette. D. 10. Describe glaucous and pubescent leaves, giving examples, n. Discuss the advantage of hairiness to leaves. 12. What are three characteristics of leaves of the heath family, and in what regions are members of this family most abundant ?. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Coulter, John G. (John Gaylord), b. 1876. New York, American Book Co
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
