. The Canadian field-naturalist. 1986 Notes 127. Figure 1. Question Mark, Polygonia interrogationis, pho- tographed by D. Barton 21 September 1981 at St. John's, Newfoundland. personal communication). J. D. Lafontaine (personal communication) feels that it probably reaches New- foundland and breeds for that summer one year in ten or twenty; but if it reaches Newfoundland only in late summer it may occur too late in the season to facilitate oviposition (personal observation). Literature Cited Howe, W. H. 1975. The butterflies of North America. Doubleday and Company, New York. Krogerus, H. 1954.
. The Canadian field-naturalist. 1986 Notes 127. Figure 1. Question Mark, Polygonia interrogationis, pho- tographed by D. Barton 21 September 1981 at St. John's, Newfoundland. personal communication). J. D. Lafontaine (personal communication) feels that it probably reaches New- foundland and breeds for that summer one year in ten or twenty; but if it reaches Newfoundland only in late summer it may occur too late in the season to facilitate oviposition (personal observation). Literature Cited Howe, W. H. 1975. The butterflies of North America. Doubleday and Company, New York. Krogerus, H. 1954. Investigations on the Lepidoptera of Newfoundland, I. Macrolepidoptera. Acta Zoologica Fennica 82, edidit, Societas Pro Fauna et Flora Fennica. Helsingflorsiae. 80 pp. Morris, R. F. 1980. Butterflies and moths of Newfound- land and Labrador, the Macrolepidoptera. Publication 1691. Canadian Government Publishing Centre, Hull, Quebec, Canada KIA 0S9. 407 pp. Received 17 January 1984 Accepted 11 January 1985 The Helleborine, Epipactis helleborine (Orchidaceae), in Northern Ontario Daniel F. Brunton Southwick Drive, 3, Manotick, Ontario KOA 2N0 Brunton, Daniel F. 1986. The Helleborine, Epipactis helleborine (Orchidaceae), in northern Ontario. Canadian Field- Naturalist 100(1): 127-130. The Helleborine, Epipactis helleborine, is the most successful of the small number of introduced orchids in Canada. It has become abundant in most of the limestone-based areas of southern Ontario and is found in lower numbers in scattered locations in the acidic Precambrian Shield of the province. First records for northern Ontario (St. Joseph's Island, Algoma District, and New Liskeard, Temiskaming District) are reported here. E. helleborine may now have occupied most of the Ontario range in which it can become a common and important species. It may still, however, become fairly common in parts of the Rainy River District of northwestern Ontario. Key Words: Epipactis helleborine, northern Onta
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