ERICACEAE 889 
7-9 mm. long, somewhat constricted at the throat, the short lobes recurved : capsules sub- 
globose, 4 mm. high, surpassed by the sepals. [Andromeda nitida Bartr. ] 
In sandy bogs and pine lands, Virginia to Florida and Louisiana. Spring. 
4. Pieris Mariana (L.) B. & H. A shrub 1-2 m. tall with glabrate foliage and erect 
or nearly erect branches. Leaves deciduous ; blades firm, oblong to oval, sometimes broad- 
est slightly above or below the middle, 2-6 cm. long, obtuse or apiculate, somewhat reticu- 
lated, short-petioled: flower-clusters in elongated racemes: pedicels about 1 cm. long, 
club-shaped : calyx often puberulent: sepals lanceolate, about 5 mm. long, acute, firm in 
age and slightly accrescent: corolla white or pinkish, ovoid-cylindric, 9-11 mm. long; 
lobes mostly spreading : filaments pubescent without, usually with 2 appendages below the 
top: capsules ovoid-pyramidal, 7-9 mm. long. [Andromeda Mariana L.] 
In low grounds, Rhode Island to Florida, Tennessee and Arkansas. Spring. 
14. XOLÍSMA Raf. 
Shrubs or trees, with terete branches. Leaves alternate: blades entire or nearly so, 
sometimes persistent. Flowers perfect, in racemes or panicles. Sepals 4-6, broad, often 
slightly united. Corolla white, subglobose to urn-shaped, with 4-6 recurved lobes. Stamens 
8-12, included: filaments flat, incurved, pubescent : anthers not awned, opening by ter- 
minal pores. Disk 8-12-lobed. Ovary 4-6-celled. Stigma truncate. Ovules numerous 
in each cavity, pendulous. Capsule dry, loculicidally 4—6-valved. 
Flowers clustered in the axils of persistent leaf-like bracts : Sage, lepidote-scurfy. j 
Leaves conspicuously reduced towards the ends of the branchlets: blades prominently reticulated. 
1. X. fruticosa. 
Leaves barely if at all reduced towards the ends of the branchlets: blades incon- : 
spicously reticulated. 2. X. ferruginea. 
Flowers in racemes or panicles: leaves deciduous: foliage glabrous or pubescent. ae 
Racemes or panicles leafy-bracted. 8. X. foliosiflora. 
Racemes or panicles naked or nearly so. 4. X. ligustrina. 
1. Xolisma fruticósa ( Michx.) Nash. An evergreen erect shrub 1-1.5 m. tall, with 
scurfy young foliage. Leaves conspicuously reduced towards the ends of the branchlets ; 
blades leathery, oval or obovate to oblanceolate, acute or abruptly acuminate at both ends 
or sometimes obtuse, glabrous and reticulated above, prominently nerved beneath, revolute, 
short-petioled : panicles narrow, leafy-bracted, often ga aeri : pedicels 4-10 mm. long: 
calyx 2.5-3 mm. broad, accrescent and 6-7 mm. broad in fruit: sepals broader than long, 
acute: corolla pale, subglobose, scaly, 3-4 mm. in diameter: capsules ovoid, 4-5 mm. 
high, 5-6-ribbed. [Andromeda ferruginea var. fruticosa Michx. ] 
In sandy woods, South Carolina to Florida. 
2. Xolisma ferruginea (Walt.) Heller. An evergreen wide branching shrub or small 
tree sometimes 5 m. tall, with scurfy twigs. Leaves barely if at all reduced towards the ends 
of the branchlets ; blades leathery, elliptic to oval or obovate to oblanceolate, 2.5-7 cm. 
long, glabrous above, acute or short-acuminate, revolute, scurfy-pubescent beneath, short- 
petioled : panicles leafy-bracted : pedicels 5-10 mm. long: calyx 3.5-4 mm. broad : sepals 
about as broad as long, abruptly-pointed : corolla white or pinkish, 2.5-3 mm. in diameter, 
Walt] capsules oblong-ovoid, or oval, 4-6 mm. high, 5-6-ribbed. [Andromeda ferruginea 
alt. 
In pine lands, South Carolina to Florida. 
3. Xolisma foliosifldra (Michx.) Small. A widely branching shrub 1-4 m. tall, 
with glabrous or sparingly pubescent foliage. Leaf-blades leathery, oblong to narrowly 
elliptic or sometimes oval or obovate, 2-8 cm. long, acute or acuminate at both ends, dis- 
tinctly serrulate, usually lustrous above, short-petioled : panicles copiously leafy-bracted : 
pedicels 3-8 mm. long: calyx flattish, 3-4 mm. broad : sepals ovate or half-orbicular : co- 
rolla white or pinkish, subglobose, 2-3 mm. in diameter : capsules subglobose or spheroidal, 
3-3.5 mm. long, 5-6-ribbed [ Andromeda paniculata var. foliosiflora Michx. ] 
In swamps and low pine lands, Virginia to Florida and Louisiana. Spring. 
4. Xolisma ligüstrina (L.) Britton. A branching shrub 1-4 m. tall, with more or 
less densely pubescent foliage. Leaves firm; blades oblong, elliptic or obovate, 3-7 cm. 
long, analy acute or abruptly acuminate, nearly entire or serrulate, narrowed into short 
petioles: panicles elongated or cluster-like, naked : pedicels 1-6 mm. long: calyx 3.5-4 
mm. niit : sepals triangular-ovate, acute or acutish, spreading : corolla white, subglobose 
or ovoid-globose. 2.5-3.5 mm. in diameter: capsules spheroidal, 3 mm. in diameter, 5-6- 
ribbed. [Andromeda ligustrina Muhl.] 
In swamps and on hillsides, Canada to Florida and Arkansas. 
