The keel of the largest ship ever built in Nova Scotia, was Birch.
B. alba.
Var. populifolia, Spach. (White Birch.) A small slender tree. B. nigra, L. (Red Birch.) Large tree growing along river banks, good for
fuel.
Alnus, Tourn. (Alder.)
A. incana, Willd. (Speckled Alder.) A shrubby tree 15 to iS feet high ; wet places.
A. serrulata, Ait. (Smooth Alder.) Shrub 10 feet high ; wet grounds and swampy places.
8l2
REPORT OF THE FLORA
Order 105.-- SALICACE2E. (Willow Family.)
Salix, Tourn. (Willow.)
S. Candida, Willd. (Hoary Willow. Shrub 6 feet high.
S. tristis, Ait. (Dwarf Gray Willow.) Shrub 2 feet high ; wet places.
S. discolor, Muhl, (Glaucous Willow.) Banks of brooks ; 15 feet high.
S. sericea, Marshall. (Silkey Willow.) Banks of streams.
S. viminalis, L. (Basket Willow.) Shrub growing in damp ground. (Adv. Eu.)
S. cordata, Muhl. (Heart-leaved Willow,) Small tree. (Leggett.)
S. livida, Wahl.
Var. occidentals, Grey. Shrub 10 feet high. (Leggett.) S. petiolaris, Smith. Small tree 15 to 20 feet high. S. lucida, Muhl. Along streams, 15 feet high. S. nigra, Marsh.
Var. falcata, Gray. Tree 30 feet high. S. fragilis, L. Large tree, wet grounds, and river-banks. (Adv. Eu.) S. alba. L.
Var. vitellina, Gray. (Yellow Willow.) A large tree, along streams and
river-banks. (Adv. Eu.)
Populus, Tourn. (Poplar, Aspen.)
P. tremuloides, Mx. (Aspan Leaf.) Large tree.
P. grandidentata, Mx. Large tree, taller than the last.
P. bnlsamifera, L. Balsam, Poplar. (Tacamahac.) Var. candicans, Gray. (Balm of Gilead.) Large tree.
P. alba. L. (Abele Tree.) Shade tree, introduced from France, by nurserymen, sometimes called silver leaved poplar.