7. Vaccinium Caesariénse Mackenzie. New Jersey Blueberry

Fig. 3265

V. caesariense Mackenzie, Torreya 10: 230. 1910.

A quite glabrous, much-branched shrub, 3°-10° high, the twigs green and warty. Leaves ovate to elliptic-lanceolate, very short-petioled, entire-margined, acute or acutish at the apex, narrowed or somewhat rounded at the base, dull green above, much paler beneath, 3' long or less, about one-half grown at flowering time; racemes 6-12-flowered; pedicels about as long as the corolla; bracts ovate-oblong; calyx glaucous, its lobes broad, acute; corolla dull white, urceolate, 2"-3" long, 1 1/2"-2" thick; style slightly exserted; berries dark blue, with a bloom, 3 "-4" in diameter.

Bogs, Long Island, N. Y., and in the pine-barrens of New Jersey. May.

8. Vaccinium Canadénse Kalm. Canada Blueberry

Fig. 3266

V. canadense Kalm; Richards. Frank. Journ. 736. 1823.

A low pubescent branching shrub, 6'-2° high. Leaves oblong, oblong-lanceolate or narrowly elliptic, pubescent, at least beneath, entire, acute at the apex, narrowed at the base, 1'-l 1/2' long, 4"-8" wide; flowers few in the clusters, which are sometimes numerous on naked branches, appearing with the leaves; pedicels usually shorter than the flowers; corolla oblong-campanulate, greenish-white, 2"-3" long and 1 1/2" thick; berry blue or bluish-black, with a bloom (rarely white), sweet, 2 1/2"-3" in diameter.

In moist places, Labrador to Manitoba, south in the mountains to Virginia, and to Illinois and Michigan. May-June. Fruit ripe July-Aug.

9. Vaccinium Angustifòlium Ait. Dwarf, Sugar, Early Or Low-Bush Blueberry

Fig. 3267

V. pennsylvanicum Lam. Encycl. 1: 74. 1783. Not Mill. 1768.

Vaccinium pennsylvanicum angustifolium A. Gray, Man. 261. 1848.

Vaccinium angustifolium Ait. Hort. Kew. 2: 11. 1789.

V. Dobbini Burnham, Am. Bot. 12: 8. 1907.

A low branching shrub, 6'-2° high, similar to the preceding species, but with green warty branches and usually nearly or quite glabrous throughout. Leaves oblong-elliptic or oblong-lanceolate, green and glabrous on both sides or slightly pubescent on the veins beneath, sharply serrulate, acute at both ends, 9"-18" long, 1"-6" wide; flowers few in the clusters, longer than the very short pedicels; corolla oblong-campanulate, slightly constricted at the throat, 2"-3 1/2" long, about \\" thick, white or pinkish; berry blue or nearly black, with a bloom, sometimes white, or reddish, very sweet, 3"-5" in diameter.

In dry, rocky or sandy soil, Newfoundland to Saskatchewan, Virginia, Illinois and Wisconsin. Strawberry-huckleberry. May-June. Fruit ripe June-July. The early market blueberry.