28 FOREST-TREES OF THE UNITED STATES. 
MYRICACEZ:. 
No. 310. Ayrica-cerifera, L.—Bayberry ; Wax Myrtle.—Eastern Unit- 
ed States. A shrub orsmall tree growing near thesea-coast. Theberries 
are coated with a waxy secretion, which is sometimes utilized in the 
domestic manufacture of candles and also in medicinal unguents. 
No. 311. Myrica inodort, Bart.—Florida Bayberry.—Florida. 
No. 312. Myrica Californica, Cham.—California Bayberry or Myrtle.— 
California. This species sometimes attains a height of 40 feet, with a 
trunk 2 feet in diameter. It grows on the Pacific coast, from Puget 
Sound to Mexico. 
BETULACEZ. 
No. 313. Betula alba, var. populifolia, Spach.—American White Birch. 
—Northern and Northeastern United States. A small and slender grace- 
ful tree, 15 to 25 feet high, growing from Maine to Pennsylvania, and 
sparsely on the great lakes. 
No. 314. Betula papyracea, Ait.—Canoe Birch; Paper Birch.—North- 
ern and Northeastern United States. A large and handsome tree, grow- 
ing to the height of 70 feet, and with a diameter of 3 feet. It is limited 
to the northern portions of the country, ranging from Maine to Wiscon- 
sin on the northern border, and extending far northward into Canada. 
It has a brilliant white bark, from which Indians and traders construct 
canoes. The thin, external sheet of the bark forms the basis of a great 
variety of Indian fancy-work. 
No. 315. Betula lutea, Michx.—Yellow Birch.—Northern and Northeast- 
ern United States. This is a beautiful large tree, growing in moist 
woods on our northern border. The wood is strong, fine-grained, and 
makes handsome furniture. ; . 
No. 316. Betula lenta, L.—Cherry Birch; Black Birch.—Northern and 
Northeastern United States. This, like the preceding, is a large tree, 
chiefly of our northern borders, but extending also along the Alleghany 
region southward. The bark and twigs are highly aromatic. The wood 
is of a rosy hue, fine-grained, and valuable for cabinet-work and for 
timber. 
No. 317. Betula nigra, L.—River Birch; Red Birch.—Eastern United 
States. This becomes a large tree in favorable situations. It is found 
along the banks of rivers from Eastern Massachusetts southward to 
Florida, and westward to Kentucky, Illinois, and Iowa. The wood is 
similar to that of the preceding. 
No. 318. Betula occidentalis, Hook.—Western Birch.—Rocky Mount- 
ains. This species is a small tree, rarely over 25 feet high and 6 inches 
in diameter. It is found in the Rocky Mountains, along streams; in 
Colorado, Utah, &c. 
No. 319. Alnusincana, Willd.—Speckled Alder.—Northeastern United 
States. A shrub, or small tree, growing along streams in New England, 
New York, and northward. Of no particular value. 
No. 320. Alnus rhombifolia, Nutt.—California Alder.—California. 
No. 321. Alnus Oregona, Nutt.—Oregon Alder.—California and Ore- 
gon. On the Pacific coast, in California and Oregon. Often becoming 
a large tree, 60 to 80 feet high, with a trunk 2 feet in diameter. 
SALICACEZ. 
No. 322. Salix nigra, Marshall.—Black Willow.—Eastern United 
States. This is almost the only willow of the eastern portion of the 
