. Annual report of the New York State College of Agriculture at Cornell University and the Agricultural Experiment Station. New York State College of Agriculture; Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). Teachkr's Leaflet. 1113 tree heals its wounds so that the fungus is imprisoned and can never send out fruit- ing brackets. Thus it is most important to teach the pupils how to protect trees from the attacks of these enemies which are devastating our forests and which sometimes attack our orchards and shade trees. As soon as a tree is bruised, the wo
. Annual report of the New York State College of Agriculture at Cornell University and the Agricultural Experiment Station. New York State College of Agriculture; Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). Teachkr's Leaflet. 1113 tree heals its wounds so that the fungus is imprisoned and can never send out fruit- ing brackets. Thus it is most important to teach the pupils how to protect trees from the attacks of these enemies which are devastating our forests and which sometimes attack our orchards and shade trees. As soon as a tree is bruised, the wound should be painted or covered with a coat of tar. If the wind breaks a branch, the splinters left hanging should be sawed off, leaving a smooth stump, and this be painted. While ordinary paint if renewed each year will suffice, experiment has shown that the coat of tar is better and should be used. Especially should teachers impress on the pupils the harm done by careless hacking with axe or hatchet. We shall do an invaluable service in the protection of our forests if we teach the rising generation the respectful treatment of trees which is due living organisms whose span of life may cover A common species of puff hall (Lycoperdon gemmatum). Lesson III PUFFEALLS Purpose.— To explain the growth of a puffball and the nature of its " ; Material.— Ask the pupils to bring to school any of the globular or pear-shaped fungi in the early stages when they are white, taking pains to bring them on the soil or wood on which they are growing. Observations by Pupils' (i). Where did you find the puffball? On what was it growing? Were there many growing in company? Remove the puffball and examine the place where it stood with a lens to find the matted and crisscrossed fungus 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 ma
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