824 MELASTOMACEAE 
minutely awn-tipped: anthers linear, 8-9 mm. long, spurred at the base: capsules sub- 
globose, 6-7 mm. in diameter, shorter than the neck of the accrescent hypanthium. 
In sandy swamps, Long Island to Missouri, Florida and Texas. Spring to fall. 
6. Rhexia Náshii Small. Stems erect from tuberous roots, 3-6 dm. tall, 4-angled, 
densely hirsute, yellowish green like the rest of the foliage, often sparingly branched: 
leaf-blades thickish, narrowly oblong-lanceolate, 2-5 em. long, acute, slightly bristly-ser- 
rulate, with 3 prominent yellow nerves, sessile: flowers in open cymes, short-pedicelled : 
hypanthium glabrous or nearly so: sepals triangular, acute: petals purple, 14-17 mm. 
long : anthers 1 em. long, spurred at the base: capsules subglobose, 5-6 mm. in diameter, 
about as long as the neck of the hypanthium. 
In sandy swamps, peninsular Florida. Spring and summer. 
7. Rhexia lanceolàta Walt. Stems erect, 1-4 dm. tall, slender, villous-hirsute like 
the rest of the foliage, terete or nearly so: leaf-blades oblanceolate, elliptic-oblanceolate, 
or linear-lanceolate, 1-2.5 cm. long, acute, bristly serrulate, sparingly pubescent on both 
surfaces, short-petioled or nearly sessile: flowers in open cymes, short-pedicelled : hypan- 
thium glabrous or sparingly pubescent when young: sepals lanceolate, hooked at the apex: 
petals white to pale purple, apiculate or awn-tipped : anthers linear, 6-7 mm. long, spurred 
at the base : capsules subglobose, 3.5-4 mm. in diameter, longer than the neck of the hy- 
panthium. 
EXE. dry or moist sandy soil, North Carolina and Tennessee to Florida and Louisiana. Spring and 
r. 
8. Rhexia delicátula Small. Stems slender, erect, 1-4 dm. tall, solitary, obscurely 
4-angled, clothed with spreading very delicate hairs: leaf-blades thin, oblong or elliptic 
to ovate, abruptly acute or obtusish, conspicuously bristly-serrate, with a few delicate hairs 
on both surfaces, narrowed into slender petioles : flowers usually 3, in terminal cymes, short- 
pedicelled : hypanthium glabrous, or with a few hairs below the throat: sepals narrowly 
triangular, recurved: petals pale purple, 10-15 cm. long: anthers linear, 6 mm. long, 
slightly spurred.at the base: capsules subglobose, 4-5 mm. in diameter, longer than the 
neck of the hypanthium. 
Along streams in the mountains, Georgia. Summer. 
9. Rhexia filifórmis Small. Stems erect, wire-like, 1-4 dm. tall, sparingly pubes- 
cent, villous-hirsute, simple or branched, terete or nearly so, the branches filiform : leaf- 
blades quite numerous, linear-filiform or filiform, 1-3 cm. long, acute, serrulate, sessile, 
the larger ones involutely folded: flowers in open cymes, short-pedicelled : hypanthium 
glabrous : sepals lanceolate, acuminate: petals white or pale purple, less than 1 cm. long: 
anthers linear, 6 mm. long, spurred at the base: capsules subglobose. 
In sandy soil, Georgia and Florida. Summer. 
10. Rhexia glabélla Michx. Stems erect, 3-10 dm. tall, terete or obscurely 4-angled, 
glabrous, often tufted, the base spongy when growing in water : leaf-blades leathery, 3-8 
cm. long, more or less glaucous, lanceolate to linear-lanceolate, acute or acuminate, entire 
or inconspicuously serrulate, sessile: flowers in open cymes: hypanthium bristly with 
glandular hairs: sepals triangular, acuminate: petals bright purple, 17-22 mm. long, 
apiculate: anthers linear, 7-8 mm. long, spurred at-the base: capsules subglobose, 6-7 
mm. in diameter, longer than the neck of the hypanthium. 
In moist pine lands, North Carolina to Florida and Louisiana. Spring and summer. 
ll. Rhexia Virgínica L. Stems erect, 2-10 dm. tall, bristly pubescent or glabrate, 
sharply 4-angled, the angles sometimes slightly winged: leaf-blades very variable, oblong- 
elliptic, oval, lanceolate or ovate-lanceolate, 2-10 cm. long, acute or obtuse, bristly serru- 
late, 5-nerved, sessile: flowers short-pedicelled, in open cymes: hypanthium glandular- 
pubescent : sepals lanceolate or triangular-lanceolate : petals bright purple, 11-17 mm. long, 
rounded or retuse at the apex : anthers linear, spurred at the base: capsules subglobose, 
9-6 mm. in diameter, much longer than the neck of the hypanthium. 
orasi? Sandy swamps or damp soil, Maine to Missouri, Florida and Louisiana. Spring to ik Due 
12. Rhexia stricta Pursh. Stems erect, 6-13 dm. tall, sometimes much branched, 
tufted, 4-winged, often spongy at the base : Jeaf-blades thickish, lanceolate to oblong-lance- 
olate, 2-10 cm. long, acute or acuminate, bristly-serrulate, with 3 main nerves an 2 less 
prominent marginal nerves, sessile : flowers short-pedicelled, in panicled cymes : hypanthium 
glabrous: sepals triangular, acute: petals purple, 12-16 mm. long: anthers n: 
spurred at the base: capsules ovoid, 6-7 mm. long, longer than the short neck of the 
hypanthium. 
In pine-land swamps, Georgia and Florida. Summer. 
