. Nature-study; a manual for teachers and students. Nature study. 364 \-ide(l NATURE-STUDY with wing-like (lc\'ices for disjxTsal, or else the seeds are thus ])ro\'i(led. Ehri and majjle fruits haA'C wings. The seeds of the eatalpa have feathery wings, and the cotton- wood seeds are covered with a mass of down. Seeds and fruits of trees also float upon the water and may be thus scattered. Through the agency of man, orchard and shade. Fic. 155. While Elm in Flower. trees are planted, and on our originallv treeless prairies there are now on nearh' e\'erv farm ])lanted groves. Trees, like other p
. Nature-study; a manual for teachers and students. Nature study. 364 \-ide(l NATURE-STUDY with wing-like (lc\'ices for disjxTsal, or else the seeds are thus ])ro\'i(led. Ehri and majjle fruits haA'C wings. The seeds of the eatalpa have feathery wings, and the cotton- wood seeds are covered with a mass of down. Seeds and fruits of trees also float upon the water and may be thus scattered. Through the agency of man, orchard and shade. Fic. 155. While Elm in Flower. trees are planted, and on our originallv treeless prairies there are now on nearh' e\'erv farm ])lanted groves. Trees, like other plants, are dependent upon temperature, moisture, light, and soil. Temperature is one of the chief conditions determining the distribution of species. Conifers as a class prefer the colder northern regions or the higher altitudes on mountains. There are, however, southern and lowland species. The deciduous hardwood trees also abound chiefly in the colder temperate regions. Some, like the wil-. 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 Holtz, Frederick Leopold, 1870-. New York, C. Scribner's Sons
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkcscribnerss
