. Annual report of the Agricultural Experiment Station. Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). Fig. 2.—Section of leaf . g. Gall; normal structure of leaf; o. opening ef gall; e. eggs, after Fig. 3.—Section of leaf showing structure of gall in autumn. g. Gall; n. uninjured part of leaf; o. opening of gall. fact in some cases there is a shrinkage of the parts affected. Fig. 3 represents a section through a leaf collected and studied in October. *Many writers apply either the term cccidia, or acarocecidia to galls pro- duced by mite
. Annual report of the Agricultural Experiment Station. Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). Fig. 2.—Section of leaf . g. Gall; normal structure of leaf; o. opening ef gall; e. eggs, after Fig. 3.—Section of leaf showing structure of gall in autumn. g. Gall; n. uninjured part of leaf; o. opening of gall. fact in some cases there is a shrinkage of the parts affected. Fig. 3 represents a section through a leaf collected and studied in October. *Many writers apply either the term cccidia, or acarocecidia to galls pro- duced by mites ; bm we do not see the necessity for this multiplication of technical terms. The same writers refer to diseases of plants caused by mites as acariasis, or if produced by gall mites (Family Phytoptidcc) the disease is termed 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 Cornell University. Agricultural Experiment Station. Ithaca, N. Y. : The University
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