. The Canadian field-naturalist. 90 The Canadian Field-Naturalist Vol. 100. Figure 1. Vegetative and reproductive phases of Oxycoccus macrocarpus (Ait.) Pers. A. Two pliases of cranberry shoot growth. At the right, the shoot has terminated growth in the formation of a flower bud; the shoot at the left is vegetative. (3X) B. Cranberry flower. (4X) C. Cranberry fruits are borne on upright shoots arising from the main stolon. () D. Cranberry pollen. (650X) (h) Chromosome numbers: In - lA has been reported by Darrow et al. (1944) and Vander Kloet (1983) from plants collected in eastern North A


. The Canadian field-naturalist. 90 The Canadian Field-Naturalist Vol. 100. Figure 1. Vegetative and reproductive phases of Oxycoccus macrocarpus (Ait.) Pers. A. Two pliases of cranberry shoot growth. At the right, the shoot has terminated growth in the formation of a flower bud; the shoot at the left is vegetative. (3X) B. Cranberry flower. (4X) C. Cranberry fruits are borne on upright shoots arising from the main stolon. () D. Cranberry pollen. (650X) (h) Chromosome numbers: In - lA has been reported by Darrow et al. (1944) and Vander Kloet (1983) from plants collected in eastern North America. 3. Distribution and Abundance (a) Geographic range: Oxycoccus macrocarpus is native to eastern North America (Macoun 1883) but cultivated in a few other countries. In Canada its range extends from Newfoundland to western Ontario (Figure 2). From its northernmost limit just north of Anticosti Island it extends southward to West Virginia and Tennessee (Ogle 1983) in the eastern United States and to Ohio, Illinois and Indiana in the midwest (Gleason 1952). Local distributions have been published for Newfoundland (Rouleau 1956), Nova Scotia (Roland and Smith 1969), Prince Edward Island (Erskine 1960), Gaspe (Scoggan 1950; Grandtner and Rousseau 1975) and. 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 Ottawa Field-Naturalists' Club. Ottawa, Ottawa Field-Naturalists' Club


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