قراءة كتاب Manual of the Trees of North America (Exclusive of Mexico) 2nd ed.

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‏اللغة: English

Manual of the Trees of North America (Exclusive of Mexico) 2nd ed.

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المؤلف:

Sargent Charles Sprague

دار النشر: Project Gutenberg

الصفحة رقم: 5

diameter, with stipules.

Fremontia (p. 749).

Leaves glabrous, 1°—2° in diameter, without stipules.

Carica (p. 755).

aaa Leaves not lobed or pinnately lobed.

b Branches spinescent.

Leaves clustered at the end of the branches, at least 2′—3′ long.

Bucida (p. 765).

Leaves fascicled on lateral branchlets, obtuse or emarginate, pale and glabrous beneath.

Bumelia angustifolia (p. 816).

Leaves scattered.

Leaves generally obovate, mucronate, not more than ½′—1′ long, glabrous and green or brownish tomentulose beneath.

Condalia (p. 719).

Leaves elliptic-ovate to oblong, obtuse or emarginate, glabrous, 1—2 cm. long.

Ximenia (p. 337).

bb Branches not spinescent.

c Leaves serrate, or lobed (in some species of Quercus). (cc, see p. xxii).

d Juice watery. (dd, see p. xxii).

e Stipules present. (ee, see p. xxii).

f Primary veins extending straight to the teeth.

Leaves and branchlets glabrous or pubescent to tomentose with fascicled hairs.

Leaves fulvous-tomentose beneath, repand-dentate, 3′—5′ long.

Lithocarpus (p. 236).

Leaves glabrous or grayish to whitish tomentose beneath, entire, lobed or dentate.

Quercus sp. 21—34 (p. 268).

Leaves and branchlets coated with simpled silky or woolly hairs at least while young, not more than 2½′ long.

Cercocarpus (p. 550).

ff Primary veins arching and united within the margin.

Leaves 3-nerved from the base.

Ceanothus (p. 726).

Leaves not 3-nerved.

Leaves acute.

Leaves sinuately dentate, with few spiny teeth (rarely entire), glabrous.

Ilex opaca (p. 669).

Leaves serrate.

Leaves tomentose below; branchlets tomentose.

Leaves narrow-lanceolate, glabrous and smooth above.

Vauquelinia (p. 377).

Leaves ovate, cordate, scabrate above.

Trema (p. 327).

Leaves glabrous below.

Heteromeles (p. 392).

Leaves entire, very rarely toothed.

Leaves elliptic, glabrous.

Prunus caroliniana (p. 579).

Leaves oblanceolate, pubescent beneath when young.

Ilex Cassine (p. 670).

Leaves obtuse, sometimes mucronate.

Leaves spinose-serrate, glabrous.

Leaves broad-ovate to suborbicular or elliptic; branchlets dark red-brown, spinescent.

Rhamnus crocea (p. 723).

Leaves ovate to ovate-lanceolate; branchlets yellow or orange-colored, not spinescent.

Prunus ilicifolia (p. 581).

Leaves crenate (often entire), oval to oblong.

Ilex vomitoria (p. 671).

ee Stipules wanting.

Leaves resinous-dotted, aromatic, 1½′—4′ long.

Myrica (p. 163).

Leaves not resinous-dotted, crenately serrate, 4′—6′ long.

Leaves dark green, glabrous below.

Gordonia Lasianthus (p. 751).

Leaves yellowish green, pubescent below, sometimes nearly entire.

Symplocos (p. 831).

dd Juice milky.

Petioles 2½′—4′ long; leaves broad-ovate.

Hippomane (p. 652).

Petioles about ¼′ long; leaves elliptic to oblong-lanceolate.

Gymnanthes (p. 654).

cc Leaves entire (rarely sparingly toothed on vigorous branchlets).

d Stipules present.

e Stipules connate, at least at first.

Stipules persistent, forming a sheath surrounding the branch above the node; leaves obtuse.

Coccolobis (p. 338).

Stipules deciduous, enveloping the unfolded leaf.

Leaves ferrugineous-tomentose beneath.

Magnolia grandiflora (p. 345).

Leaves glabrous beneath, with milky juice.

Ficus (p. 333).

ee Stipules free.

f Juice milky; leaves oval to oblong, 3′—5′ long.

Drypetes (p. 650).

ff Juice watery.

g Leaves obtuse or emarginate at apex.

Leaves with ferrugineous scales beneath, their petioles slender.

Capparis (p. 365).

Leaves without ferrugineous scales.

Leaves soft-pubescent on both sides.

Colubrina cubensis (p. 730).

Leaves glabrous at least at maturity.

Leaves rarely 2′—3′ long, standing on the branch at acute angles.

Chrysobalanus (p. 583).

Leaves rarely more than 1′ long, spreading (sometimes 3-nerved).

Ceanothus spinosos (p. 728).

gg Leaves acute or acutish.

Petioles with 2 glands.: Conocarpus (p. 766).
Petioles without glands.
Leaves and branchlets more or less pubescent, at least while young.
Leaves fascicled except on vigorous branchlets.: Cercocarpus (p. 550).
Leaves not fascicled.
Winter-buds minute, with few pointed scales.
Leaves rounded or nearly rounded at base.: Colubrina sp. 1, 3 (p. 729).
Leaves broad-cuneate at base.: Ilex Cassine (p. 670).
Winter-buds conspicuous, with numerous scales.
Leaves usually lanceolate, entire, covered below with yellow scales.: Castanopsis (p. 234).
Leaves oblong or oblong-obovate, repand-dentate, fibrous tomentose below.: Lithocarpus (p. 236).
Leaves and branchlets glabrous.
Leaf-scar with 1 bundle-trace.: Ilex Krugiana (p. 672).
Leaf-scar with 3 bundle-traces. Cherry Laurels.: Prunus sp. 19—22 (p. 579).
dd Stipules wanting.
e Leaves aromatic when bruised.
Leaves resinous-dotted.: Myrica (p. 163).
Leaves not resinous-dotted.
Leaves obtuse, obovate, glabrous.: Canella (p. 753).
Leaves acute.
Leaves mostly rounded at the narrowed base, ovate to oblong, acute, glabrous.: Anona (p. 354).
Leaves more or less cuneate at base, elliptic to lanceolate, usually acuminate.
Leaves abruptly long-acuminate, glabrous, the margin undulate; branchlets red-brown.: Misanteca (p. 364).
Leaves gradually acuminate or nearly acute.
Leaves strongly reticulate beneath.
Branchlets glabrous, light grayish brown; leaves glabrous, light green beneath.: Ocotea (p. 359).
Branchlets pubescent while young, greenish or yellowish; leaves pale beneath, pubescent while young.: Umbellularia (p. 360).
Leaves not or slightly reticulate, glaucous, glabrous or pubescent beneath.: Persea (p. 356).

ee Leaves not aromatic.
f Leaves acute or acutish.
Leaves obovate, gradually narrowed into short petioles.
Leaves 2′—2½′ long.: Schæfferia (p. 679).
Leaves at least 6′—8′ long.: Enallagma

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