THEACEAE 875 
. TRIADENUM Raf. Leafy perennial herbs, resembling species of 
Hypericum. Corolla pink, sometimes tinged with green or purple. epals 5 
equal. Stamens mostly 9, grouped in 3's, the filaments of each group well 
united. Styles relatively long. Capsule exserted. Three species, of eastern 
North America—Sum.—MarsuH ST. JOHN'S-WORTS. 
Filaments united near the bas 1. T. virginicum. 
Filaments united to above Hom iddle. l 
Leaf-blades sessile, truncate or subcordate at the base. 2. T. longifolium. 
- Leaf-blades petioled, narrowed at the bas 3. T. petiolatum. 
1. T. eT (L.) Raf. Stem 2-6 dm. tall: leaf-blades elliptic or ovate, 
2—10 em. long, obtuse, elasping: sepals Ianceolate to elliptic, 5-6 mm. long, 
ped petals obovate to oblanceolate or 
nearly elliptic, 8-10 mm. lo ong, a Min 
ca y nerv 
long.—Acid bogs and sandy swamps, vari- 
ous “provinces, Fla. to La., Man., and Lab. 
2. T. longifolium Small. Stem 3-6 dm. 
tall: leaf-blades oblanceolate to elliptic: 
se 
Coastal Plain, Ga. to Ala 
3. T. petiolatum (Walt.) Britton. io 
3—10 dm. tall: le eap elliptic or 
. lon 
rowly elliptic, 2-15 e ng: sepals elliptic or p) so 2.5—3.5 mm. long, 
obtuse: Bes elliptic -obovate, 4.6.5 long: capsule ellipsoid, prismatic 
8-10 m ong.—Swamps and borders Cof ponds, Coastal Plain, Fla. to La. 
Mo., lom N J. 
FaAwriLv 6. THEACEAE — CAMELLIA FAMILY 
Shrubs, trees, or vines. Leaves alternate. Flowers perfect and showy. 
Calyx of 5, or ra i 4-7, imbricate sepals. Corolla of 5, or rarely of 4-7, 
petals. Andro m of numerous, or rarely few, stamens. Gynoecium of 
—5 partly or “wholly united carpels. Fruit mostly capsular, sometimes 
indehiscent.—Sixteen genera and about 160 species, natives of tropical 
and temperate regions 
Sepals slightly unequal: ovules 2, ascending: seeds lenticular, sometimes margined. 
S ord ovate, united at the base: filaments united at the 
eg styles united: capsule not beaked: seeds margin- 
les 1. STUARTIA. 
sepa als narrowly oblong, distinct: filaments distinct: 
styles distinct: capsule long-beaked : seeds margined. 2. MALACHODENDRON. 
Sepals very unequal: ovules 4-8, Benquiomos seeds strongly 
angled or winged. 
Leaf-blades membranous, deciduous: flowers nearly ses- 
sile: filaments distinct: capsule globose: seeds angled. 3. FRANKLINIA. 
E lE leathery, persistent: flowers long-pedicelled : 
ents united into a thick tube: capsule ovoid: 
eed winged. 4. GORDONIA. 
| 1. STUARTIA IL. Shrubs. Leaf-blades usually toothed. Sepals mostly 
5, relatively broad. Petals mostly 5, white. Style columnar. Stigma radiate. 
