Leaves alternate thick waxy on the upper surface the

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Unformatted text preview: es grey and forms long crests. Leaves are nearly round, with a sharp, pointed tip. The petiole is thin and flattened, which causes the leaves to tremble in the slightest breeze. USDA‐NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 1:590. 25 Lab 1 ‐ Distribution of plants at Mer Bleue Figure 29. Prunus serotina Black cherry ‐ Cerisier tardif Mid‐sized tree (up to 22 m tall). Bark is smooth, dark reddish‐brown with greyish horizontal lenticels. Older bark becomes scaly with lenticels still visible. Leaves lanceolate, with a sharp, pointed tip, upper surface is dark green, teeth sharp and incurved, underside of leaf is hairy (sometimes orange) on both sides of the midvein. United States Department of Agriculture Forest Service Collection, Hunt Institute for Botanical Documentation, Carnegie Mellon University, Pittsburgh, PA Figure 30. Pteridium aquilinum Bracken fern‐ Ptéridium des aigles USDA‐NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 1: 32. 26 Triangular fern (30‐100 cm tall) with a stiff stipe (stalk). Frond divided into 3 parts. Lab 1 ‐ Distribution of plants at Mer Bleue Figure 31. Rhododendron groenlandicum Labrador tea ‐ Thé du Labrador Small shrub, 30 – 120 cm tall. Leaves alternate, thick, waxy on the upper surface, the lower surface is densely covered with pale brown to orange cottony hairs. Leaf edges strongly curled under. Modified from: USDA‐NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 2:677. Rhus typhina L. Staghorn sumac ‐ Vinaigrier sumac Figure 32. Shrub or small tree ‐ up to 6 m tall Leaves: alternate, compound divided into 11‐31 leaflets. Central stalk reddish and hairy, 30‐50 cm long. Leaflets 7‐13 cm long, slender‐pointed, sharp toothed and stalkless. Fruits: Reddish fuzzy drupes 3‐5 mm long in dense erect cone‐shaped clusters located at branch tips. USDA‐NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 2: 481. 27 Lab 1 ‐ Distribution of plants at Mer Bleue Figure 33. Rubus idaeus Raspberry ‐ Framboisier Erect stems (100‐150 cm) with fine spines. Alternate compound leaves with 3‐5 leaflets. USDA‐NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 2:277. Figure 34. Rudbeckia hirta Black‐eyed Susan ‐ Rudbeckie hérissée Adapted fromUSDA‐NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 3: 470 28 All parts of this herbaceous plant are hairy (30‐100 cm tall). Flower has a blackish central disk surrounded by yellowish petals. Lab 1 ‐ Distribution of plants at Mer Bleue Figure 35. Salix spp.* Willow ‐ Saule Shrub with multiple stems (1.5 ‐ 2...
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