Swamp-Laurel.]

Erect deciduous shrubs; corolla cylindric or urn-shaped,

white, pink or greenish. =Vaccinium.=

Low evergreen shrub; corolla open-campanulate, pink;

berry red. =Vitis-Idæa.=

Trailing or creeping evergreen shrubs.

Corolla short-campanulate, white; berry white. =Chiogenes.=

Corolla with spreading curved petals, pink; berry red.

=Oxycoccus.=

[Illustration: Menziesia ferruginea Smith. (½ Nat.) Menziesia.]

[Illustration: Kalmia microphylla (Hook.) Heller. (⅔ Nat.) Dwarf

[Sidenote: =Vaccinium cæspitosum= Michx. _Dwarf Bilberry._]

A shrub 3—7 inches high, much branched and nearly smooth throughout.

Leaves obovate or oblong, cuneate, obtuse or acute, green and shining

on both sides, nearly sessile, serrulate, with close bluntish teeth.

Flowers white or pink, small bell-shaped, ⅛ of an inch long, mostly

solitary in the axils and longer than their drooping pedicels; berry ¼

of an inch or more in diameter, blue with a bloom.

On slopes and in alpine meadows throughout the Rockies at the higher

altitudes; flowers appearing with the leaves in early June.

[Sidenote: =Vaccinium erythrococcum= Rydb. _Alpine Bilberry._]

Stems erect with numerous slender, strict, green branches and

branchlets, 3—18 inches high. Leaves ovate or oval, ½ an inch long or

less, bright green. Flowers ovate, ⅛ of an inch long, white or pink,

5-lobed, solitary in the axils of the leaves; berries small, bright red.

On slopes and in alpine meadows throughout the Rockies at the higher

altitudes; flowering during June.

[Sidenote: =Vaccinium ovalifolium= Smith. _Blueberry._]

A straggling branched shrub, 3—12 feet high, the branches slender,

twigs smooth, joints sharply angled. Leaves oval, short-petioled,

smooth on both sides, green above, pale and glaucous beneath, rounded

at both ends or somewhat narrowed at the base, thin, sometimes spine

tipped, entire or nearly so, 1—2 inches long. Flowers commonly solitary

in the axils on rather recurved pedicels; corolla pink or white, ovoid,

¼ of an inch or more long; berries blue with a bloom ½ an inch in

diameter.

In the beds of snow slides, occasionally in the Rockies, and abundant

through the Selkirks, where it is also found in the woods; flowering in

May.

[Illustration: Vaccinium erythrococcum Rydb. (⅔ Nat.) Alpine Bilberry.]

[Illustration: Vaccinium ovalifolium Smith. Blueberry. (½ Nat.)

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