. North American trees : being descriptions and illustrations of the trees growing independently of cultivation in North America, north of Mexico and the West Indies . Trees. Abele 167 Californian tree; leaves short-acuminate, truncate 6r reniform at base. Southwestern tree; leaves mostly long-acuminate, more or less broadly wedge-shaped at base. Bract at the base of the pistillate flower small, appressed. Young leaves pubescent; fruits nearly sessile; European intro- duced trees. Branches spreading. Branches erect. Leaves glabrous; capsules slender-pedicelled; native trees. Leaves crenulate;
. North American trees : being descriptions and illustrations of the trees growing independently of cultivation in North America, north of Mexico and the West Indies . Trees. Abele 167 Californian tree; leaves short-acuminate, truncate 6r reniform at base. Southwestern tree; leaves mostly long-acuminate, more or less broadly wedge-shaped at base. Bract at the base of the pistillate flower small, appressed. Young leaves pubescent; fruits nearly sessile; European intro- duced trees. Branches spreading. Branches erect. Leaves glabrous; capsules slender-pedicelled; native trees. Leaves crenulate; pedicels as long as capsules or longer; eastern tree. Leaves coarsely crenate; pedicels shorter than capsules; western tree. Leaves broadly ovate to suborbicular; stigma-lobes filiform. Leaves coarsely sinuate-dentate. Leaves crenulate-denticulate to entire-margined. Petioles mostly longer than the blades; leaves mostly glandless. Petioles about as long as the blades; leaves thick, 2-glandular on the under side at the base of the blade. 10. P. Fremonti. 11. P. mexicana. 12. P. nigra. 13. P. italica. 14. P. delloides. 15. P. Sargentii. 16. P. grandidenlaia. 17. P. iremuloides. 18. P. cercidiphylla. I. ABELE — Populus alba Linnseus This tree, known also as White poplar and Silver-leaf poplar, from the white- velvety under surfaces of its leaves, is a native of Europe and Asia, but has been much planted in eastern North America, and, as it suckers very freely, has passed in many locaUties beyond the limits of cul- tivation, in yards and along roads, from New Brunswick to Ontario and Virginia. It sometimes becomes 30 meters high, with a trunk a meter or more in diameter. The bark is^ light gray and nearly smooth, or much roughened, with brown blotches, dark brown and rough or fissured toward the base of old trunks. The young twigs are purplish and white-downy, becoming smooth and gray. The buds are 5 to 6 mm. long, downy, ovoid, pointed. The young leaves are very densely' white-v
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkhholtandco
