Text Appearing Before Image: 1967 Maini and Wang: Yellow Birch 131 Text Appearing After Image: Figure 2. Various stages in the normal germination of Betula alleghaniensis seeds. A — dorsal view of a seed; B — a seed dissected open along the suture showing normal positioning of the radicle; C — ventral view of a seed showing emergence of radicles from micropylar end; D — side view of seed showing splitting of the pericarp along the sutures; E, F and G — elongation of radicle and subsequent shedding of the pericarp. anchored in the soil; subsequently, the hypocotyl elongates and raises the cotyledons above the forest floor. The cotyledons soon separate and become approximately horizontal. In three seedlings, we observed the emergence of cotyledons from the dorsal side of the seed where the pericarp had burst (Figure 3A). After the emergence of the plumule, the hypocotyl elongated considerably (Figure 3B-C),
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