. The Canadian field-naturalist. 1967 Brittain and Grant: Canadian Birch Collections V 255. Figure 3. Representative illustrations of bracts and samaras (X ca. 6) and leaves (reduced ca. j) of B. papyrifera, except 96, 98 and 398 B. cordifolia. The nurrfbers refer to accession numbers as given in Table 1. b = bract; S = 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 F
. The Canadian field-naturalist. 1967 Brittain and Grant: Canadian Birch Collections V 255. Figure 3. Representative illustrations of bracts and samaras (X ca. 6) and leaves (reduced ca. j) of B. papyrifera, except 96, 98 and 398 B. cordifolia. The nurrfbers refer to accession numbers as given in Table 1. b = bract; S = 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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