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: 6

(p. 873).

Leaves elliptic to oblong or ovate.

Leaves rough or pubescent above, pubescent below, subcordate to cuneate at base.

Leaves stellate-pubescent.

Solanum (p. 867).

Leaves scabrous above.

Petiole ⅛′—¼′ long; leaves oval or oblong, 1¼′—4′ long.

Ehretia (p. 862).

Petiole 1′—1½′ long; leaves ovate to oblong-ovate, 3′—7′ long.

Cordia (p. 858).

Leaves smooth above.

Winter-buds scaly.

Leaves covered below with ferrugineous or pale scales, 1′—3′ long.

Lyonia (p. 797).

Leaves glabrous or nearly so below.

Leaves ovate-lanceolate or obovate-lanceolate, 4′—12′ long, usually clustered at end of branchlet, veinlets below obscure.

Rhododendron (p. 792).

Leaves elliptic or oval to oblong or lanceolate.

Leaves light yellowish green below and without distinctly visible veins or veinlets, entire, 3′—4′ long.

Kalmia (p. 794).

Leaves pale below and more or less distinctly reticulate, occasionally serrate or denticulate, 1′—5′ long; bark of branches red.

Arbutus (p. 799).

Winter-buds naked.

Leaves pubescent below when unfolding.

Mature leaves nearly glabrous below.

Leaves oblong-lanceolate to narrow-obovate.

Dipholis (p. 810).

Leaves oval.

Sideroxylum (p. 809).

Mature leaves covered below with brilliant copper-colored pubescence.

Leaves glabrous below.

Chrysophyllum (p. 817).

Leaves marked by minute black dots, ovate to oblong-lanceolate.

Ardisia (p. 806).

Leaves lepidote, oblong-obovate.

Rapanea (p. 807).

ff Leaves obtuse or emarginate at apex.

g Leaves rounded or cordate at base, emarginate, their petioles slender.

Leaves reniform to broad-ovate, cordate; juice watery.

Cercis (p. 603).

Leaves elliptic to oblong, rounded at base; juice milky or viscid.

Leaves emarginate; petioles slender, rufous-tomentulose.

Mimusops (p. 819).

Leaves obtuse at apex; petioles stout, grayish-tomentulose or glabrous.

Rhus integrifolia (p. 664).

gg Leaves cuneate at base.

Petioles slender, ½′ long.: Beureria (p. 861).
Petioles short and stout.
Leaves coriaceous, with thick revolute margins (sometimes opposite).: Jacquinia (p. 804).
Leaves subcoriaceous, slightly revolute.
Leaves reticulate-veined beneath.
Leaves oval to obovate or oblong-oval, more or less pubescent while young.: Vaccinium (p. 802).
Leaves oblong to oblong-obovate, glabrous.: Cyrilla (p. 666).
Leaves obscurely veined beneath, glabrous.
Leaves oblong-lanceolate, narrowed toward the emarginate apex, decurrent nearly to base of petiole.: Cliftonia (p. 667).
Leaves rounded at apex, distinctly petioled.: Maytenus (p. 676).

** Leaves deciduous.

† Leaves conspicuous. (††, see p. xxiv.)

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