. Botany for agricultural students . Botany. CHARACTER AND RATE OF GROWTH IN STEMS 219 plants as Corn, Beans, and Pumpkins grow slowlj-, White Mus- tard and other plants with a low optimum grow rapidly. In gen- eral, arctic plants have a lower optimum than tropical plants, and consequently plants transferred from one region to the other. Fig. 199. — Pines grown much crowded and consequently producing slender trunks. From Bvllelin 2^, North Carolina Geological and Economic Survey. usually do not thrive until they become acclimated, that is, until the plant's protoplasm becomes adjusted to the t
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. Botany for agricultural students . Botany. CHARACTER AND RATE OF GROWTH IN STEMS 219 plants as Corn, Beans, and Pumpkins grow slowlj-, White Mus- tard and other plants with a low optimum grow rapidly. In gen- eral, arctic plants have a lower optimum than tropical plants, and consequently plants transferred from one region to the other. Fig. 199. — Pines grown much crowded and consequently producing slender trunks. From Bvllelin 2^, North Carolina Geological and Economic Survey. usually do not thrive until they become acclimated, that is, until the plant's protoplasm becomes adjusted to the tempera- ture of the region. GROWTH TEMPERATURES IN FAHRENHEIT Plant. Barley White Mustard Scarlet Runner Bean Corn Pumpkin Minimum. Deg. 41 32 49-50 49-50 56-57 Optimum. Deg. 83-84 69-70 92-93 92-93 92-93 Deg. 99-100 82-83 115-116 115-116 115-116. 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 work.. Martin, John N. (John Nathan), b. 1875. New York : John Wiley & Sons, Inc.