890 VACCINIACEAE 
15. OXYDENDRON DC. 
Trees, with a furrowed bark and terete branches. Leaves alternate, deciduous: blades 
toothed, elongated. Flowers perfect, in graceful horizontally expanded panicles. Calyx 
persistent, of 5 valvate sepals. Corolla ovoid, drooping, with 5 short lobes. Stamens 
10, included: filaments broadened: anthers linear, awnless, the sacs opening by terminal 
chinks. Disk 10-lobed. Ovary 5-celled. Stigma entire. Ovules numerous. Capsule 
erect, ovoid, loculicidally 5-valved. 
1. Oxydendron arbóreum (L.) DC. A shrub or tree sometimes 20 m. tall, with 
shallowly furrowed bark, the trunk sometimes 6 dm. in diameter.  Leaf-blades oblong, 
elliptic or oblong-lanceolate, 8-20 cm. long, acuminate, serrate, lustrous above: panicles 
1-2 dm. long, the branches distichous: pedicels 3-10 mm. long, drooping in flower, erect 
in fruit, often with several ovate scales: calyx puberulent: sepals ovate, 1.5 mm. long, 
acute or acuminate: corolla white, wax-like, conic, 6-7 mm. long, constricted at the throat ; 
lobes ovate, obtuse or mucronulate : capsules 4-5 mm. high, angled, canescent. 
In woods, Pennsylvania to Ohio, Florida and Alabama. Summer. SoUR-wooD. SORREL-TREE. 
Sour GUM. TITI. 
16. EPIGAÈA L. 
Low evergreen shrubby plants, with creeping stems. Leaves alternate : blades leath- 
ery, entire. Flowers perfect or dioecious, often heteromorphous, in axillary clusters. 
Calyx subtended by several bracts : sepals 5, imbricated, persistent. Corolla white or pink, 
salverform : limb usually with 5 lobes. Stamens 10, included : filaments adnate to the 
base of the corolla-tube : anthers elongated, awnless. Disk 10-lobed. Ovary 5-celled, 5- 
lobed, pubescent. Stigma 5-lobed. Ovules numerous in each cavity. Capsule depressed- 
globose, loculicidally 5-valved, hirsute. TRAILING ARBUTUS. 
1. Epigaea répens L. Bright green, hirsute. Stems branched at the base, the 
branches creeping, 0.5-3 dm. long: leaves persistent ; blades leathery, oblong to oblong- 
ovate or suborbicular, 2-10 cm. long, apiculate or acute, reticulated, ciliate, rounded or 
cordate at the base; petioles 6-30 mm. long: clusters few-many-flowered : bracts ovate to 
lanceolate, acute : calyx glabrous or nearly so : sepals lanceolate, acuminate, 5-6 mm. long : 
corolla pink or white; tube cylindric, nearly twice as long as the sepals ; lobes spreading, 
ovate obtuse, about 3 as long as the tube, pubescent within : capsules spheroidal, pubescent. 
, , In sandy or rocky soil, Newfoundland to the Northwest Territory, south to Florida, Kentucky and 
Michigan. Spring. MAYFLOWER. 
17. GAULTHERIA L. 
Evergreen shrubs, various in habit, with horizontal or erect stems. Leaves usually 
alternate: blades leathery. Flowers solitary in the axils, or in racemes. Calyx sometimes 
subtended by several bracts : sepals longer than the hypanthium, often accrescent. Corolla 
campanulate or urn-shaped, with 5 spreading or recurved lobes. Stamens 10, included : 
filaments adnate to the base of the corolla-tube: anthers usually 2-awned, opening by ter- 
minal pores. Disk 10-lobed. Ovary 5-celled, 5-lobed, glabrous. Stigma entire. Ovules 
numerous in each cavity. Berry fleshy, inclosed in the accrescent hypanthium and calyx, 
often highly colored and aromatic. : 
1. Gaultheria procümbens L. Perennial, glabrous or minutely pubescent er 
upcurved hairs. Stems creeping, the branches erect or ascending, 3-15 mm. high, rarely 
branching, leafy at the top: leaves persistent ; blades leathery, oval or elliptic, varying to 
ovate or obovate, or often apiculate, serrate with bristle-tipped teeth, commonly variegate 
above, narrowed into short petioles: pedicels 4-8 mm. long, recurved, with 2 broadly ors 
bractlets : calyx white: sepals ovate, acutish, ciliolate : corolla white, wax-like, siot 
6-7 mm. long, with a flat base ; tube constricted at the throat ; lobes ovate, obtuse, roe 
villous within : filaments densely villous : fruit subglobose, 7-11 mm. in diameter, brig 
red or white, spicy. 
. In woods, Newfoundland to Manitoba, Georgia and Michigan. Spring and summer. 
WINTERGREEN. 
FAMILY 5. VACCINIACEAE Lindl. HUCKLEBERRY FAMILY. 
Shrubs or small trees, sometimes evergreen. Leaves alternate : blades simple, 
mostly ciliate. Flowers perfect, regular, in variously disposed clusters, Or a 
tary. Calyx of 4—5 sepals. Corolla usually gamopetalous. Androecium 
CREEPING 
