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570 ERICACEAE. [Vor II. 
1. Xolisma ligustrina (L.) Britton. Privet Andromeda. (Fig. 2771.) 
Vaccinium ligustrinum 1,. Sp. Pl. 351. _1753- 
Andromeda ligustrina Muhl. Cat. 43. 1813. 
Lyonia ligustrina DC. Prodr. 7: 599. _ 1839. 
eee ligustrina Britton, Mem. Torr. Club, 4: 135. 
I 
A much branched shrub, 3°-12° high, the twigs pu- 
berulent or glabrous. Leaves obovate, oblong, oval 
or ovate, deciduous, minutely serrulate or entire, 
acute at each end or abruptly acuminate at the apex, 
usually quite glabrous above, more or less pubescent, 
at least on the veins, or glabrous beneath, 1/-2}4’ long; 
racemes numerous, mostly leafless, in terminal pani- 
cles or clusters, many-flowered; bracts small, caducous, 
pedicels single or clustered, 1//-3/’ long, pubescent; 
calyx-lobes triangular-ovate, acute; corolla nearly glob- 
ular, 1%’ in diameter; capsule depressed-globose, 
obtusely 5-angled, about 134’’ in diameter. 
In swamps and wet soil, Canada (according to Pursh), 
New England and New York to Florida, west to 
Tennessee and Arkansas. A southeastern form has almost 
coriaceous leaves. May-July. 
15. CHAMAEDAPHNE Moench. Meth. 457. 1794. 
[CASSANDRA D. Don, Edinb. New Phil. Journ. 17: 158. 1834.] 
An erect shrub, with stiff slender terete branches, alternate coriaceous evergreen short- 
petioled narrow leaves, and white short-pedicelled secund flowers, solitary in the axils of the 
small upper leaves, forming terminal leafy racemes. Calyx of 5 distinct imbricated per- 
sistent sepals, bracted at the base. Corolla oblong-cylindric, narrowed at the throat, 5- 
toothed, the teeth recurved. Stamens 10, included; filaments subulate, glabrous; anther- 
sacs tapering upward into tubular beaks, not awned, opening by terminal pores, Disk 1o- 
toothed. Ovary 5-celled, 5-grooved; stigma simple. Capsule depressed-globose, the epicarp 
5-valved, separating at length from the 10-valved endocarp. [Greek, ground or low Daphne. ] 
A monotypic genus of the north temperate zone. 
1. Chamaedaphne calyculata (L.) 
Moench. Leather-leaf. Dwarf Cassandra. 
(Fig. 2772.) 
Andromeda calyculata I,. Sp. Pl. 394. 1753. 
Chamaedaphne calyculata Moench, Meth. 457. 1794. 
Cassandra calyculata D, Don, Edinb. New Phil. Journ. 
17: 158. 1834. 
A branching shrub, 2°-4° high. Leaves oblong 
or oblanceolate, thick, coriaceous, obtuse or acute, 
narrowed at the base, densely covered on both sides 
with minute round scurfy scales, at least when 
young, 44’-1%4’ long, the margins obscurely denti- 
culate; upper leaves gradually smaller, the upper- 
most reduced to floral bracts; pedicels 1/’ long 
or less; corolla about 3’ long; capsule depressed- 
globose, 2’’ in diameter, about twice as long as the 
ovate sepals, 
In bogs and swamps, Newfoundland to Alaska, 
south to southern New Jersey, Georgia, Illinois, Michi- 
gan and British Columbia. Also in northern Europe 
and Asia. April-June. 
16. OXYDENDRUM DC. Prodr. 7: 601. 1839. 
A tree, with alternate petioled deciduous sour leaves, and very numerous white flowers, 
in terminal panicled racemes. Pedicels 2-bracteolate at or above the middle. Sepals 5, 
slightly imbricated in the bud, early expanded, persistent. Corolla ovoid-cylindric, mi- 
nutely canescent, narrowed at the throat, tardily expanding, 5-toothed. Stamens Io, about 
as long as the corolla; filaments wider than the linear anthers; anther-sacs opening by long 
chinks, Ovary ovoid, 5-celled; ovules numerous, near the base of the cavities; style colum- 
nar; stigma simple. Disk 1o-toothed. Capsule ovoid-pyramidal, 5-angled, 5-valved. Seeds 
ascending or erect, elongated, the testa reticulated, loose and extended at each end beyond 
the linear nucleus. [Greek, sour-tree. ] 
A monotypic genus of southeastern North America. 
