Plate VIII.--Picea alba.
| 1. Branch with sterile flowers. |
| 2. Stamen, front view. |
| 3. Stamen, side view. |
| 4. Branch with fertile flowers. |
| 5. Cover-scale and ovuliferous scale, outer side. |
| 6. Ovuliferous scale with ovules, inner side. |
| 7. Fruiting branch. |
| 8. Open cone. |
| 9. Seed with ovuliferous scale. |
| 10. Leaves. |
| 11. Cross-sections of leaves. |
[1] So called from the peculiarly unpleasant odor of the crushed foliage and young shoots,--a characteristic which readily distinguishes it from the _P. nigra_ and _P. rubra_.
Tsuga Canadensis, Carr.
Hemlock.
Habitat and Range.—Cold soils, borders of swamps, deep woods, ravines, mountain slopes.
Nova Scotia, New Brunswick, through Quebec and Ontario.
Maine,—abundant, generally distributed in the southern and central portions, becoming rare northward, disappearing entirely in most of Aroostook county and the northern Penobscot region; New Hampshire,—abundant, from the sea to a height of 2000 feet in the White mountains, disappearing in upper Coos county; Vermont,—common, especially in the mountain forests; Massachusetts, Rhode Island, and Connecticut,—common.