1078 RHINANTHACEAE 
panulate, 3-4 mm. long, the lobes about 4 as long the tube: corolla rose-purple, 1-1.5 cm. 
long: capsules 4-5 mm. in diameter. 
In pine lands, New Jersey to Florida and Texas. Summer and fall. 
16. Gerardia Holmiàna Greene. Stems 3-6 dm. tall, nearly smooth and glabrous, 
somewhat branched. Leaves numerous; blades filiform-linear or nearly filiform, 1.5-3 
cm. long, acute, minutely roughened : pedicels filiform, longer than their bracts: calyx- 
tube campanulate, 2.5-3 mm. high, the lobes less than 1 mm. long, at least during anthesis : 
corolla rose-purple, about 1.5 cm. long: capsules globose-oval, 4 mm. long. 
In sandy soil or sandy woods, Long Island to Georgia. Fall. 
17. Gerardia polyphylla Small. Stems 1—4 dm. tall, smooth and glabrous, copiously 
branched, the branches wire-like or filiform. Leaves very numerous, sometimes incon- 
spicuously clustered ; blades filiform or setaceous, 1-2.5 cm. long, acute, smooth : pedicels 
filiform, 1-2 dm. long, shorter than their bracts: calyx-tube turbinate, 2-3 mm. high, the 
lobes about } as long as the tube: corolla pink or pink-purple, less than 1 em. long: cap- 
sules 2-3 mm. in diameter. 
In sandy soil, Georgia to Arkansas and Texas. Summer and fall. 
18. Gerardia divaricata Chapm. Stems 2-6 dm. tall, smooth or nearly so, wire-like, 
with wide-spreading very slender or filiform branches. Leaves few; blades filiform or 
nearly so, 1-3 cm. long, acute, spreading, slightly scabrous: pedicels filiform, 1.5-4 cm. 
long, spreading, fully twice as long as the bracts: calyx-tube campanulate, 2-3 mm. high, 
the lobes minute, about + as long as the tube: corolla rose-purple, about 1 cm. long: cap- 
sules 3 mm. long. 
In low pine lands, Florida. Fall. 
19. Gerardia Gattingeri Small. Stems 2-5 dm. tall, wiry, with smooth, very slen- 
der long branches. Leaves numerous ; blades linear-filiform or almost filiform, 1.5-3 cm. 
long, acute, smooth or slightly roughened : pedicels filiform, 1-2.5 cm. long, less than 
twice the length of the bracts: calyx-tube campanulate, 2.5-3.5 mm. long, the lobes 
minute, less than 1 mm. long, at least during anthesis: corolla rose-purple, about 1 cm. 
ong: capsules 3.5-4 mm. in diameter. 
In dry soil or woods, Missouri to Tennessee, Alabama and Texas. Summer and fall. 
20. Gerardia aspérula (A. Gray) Small. Stem 2-5 dm. tall, branching, with sca- 
brous slender branches. Leaves rather few; blades very narrowly linear to linear-filiform, 
or those on the branches filiform, 1-2.5 cm. long, acute, very scabrous : pedicels slender, 
much longer than the bracts : calyx-tube campanulate, 2.5-3.5 mm. high, the lobes promi- 
nent, fully 1 mm. long: corolla rose-purple, about 1 cm. long: capsules globular, 44.5 
mm. in diameter. 
In dry soil, Michigan to Minnesota and Arkansas. Summer and fall. 
21. Gerardia strictiflòra Benth. Stems 2—4 cm. tall, slightly scabrous, more or less 
branched above. Leaves sometimes alternate above ; blades subulate or setaceous-subulate, 
0.5-1 cm. long, or rarely slightly longer, acute, erect or nearly so: pedicels 1-1.5 cm. 
long, surpassing their bracts: calyx-tube campanulate, 2-3 mm. high, the lobes 4-4 a5 
long as the tube : corolla rose-purple, about 1 cm. long : capsules about 4 mm. in diameter. 
On plains or prairies, Texas and the Indian Territory. Summer. 
22. Gerardia tenuifólia Vahl. Stems 1-6 dm. tall, smooth, commonly mo 
branched, sometimes bushy, the branches 4-angled and striped. Leaves mostly withou 
clusters in their axils ; blades linear, 1-4 cm. long, acute, smooth or nearly $0: pedice 
filiform, shorter than their bracts: calyx-tube campanulate, 2-3 mm. high, the lobes - 
as long as the tube: corolla rose-purple, about 1 cm. long: capsules about 4 mm. ! 
diameter. 
In dry woods and thickets, Quebec to Ontario, Georgia and Louisiana. Summer and fall. 
22. Gerardia Besseyàna Britton. Stems 2-6 dm. tall, usually somewhat E 
branching above. Leaves rather numerous; blades linear or narrowly linear-lanceo " 
1-5 em. long, acute, manifestly scrabrous, drying dark or black : pedicels senda eem 
shorter than their bracts: calyx-tube campanulate, 4-5 mm. high, the lobes fully 1 mm 
long: corolla rose-purple, fully 1 cm.'long: capsules 5-6 mm. in diameter. 
On dry hills and prairies, Iowa to Colorado, Ohio and Louisiana. Summer. 
24. Gerardia víridis Small Stems 2-6 dm. tall, sharply angled, scabrous. Leaves 
mostly opposite; blades linear, 1-2 cm. long, acute, revolute, scabrous along i tarbi- 
drying light green : pedicels rather slender, shorter than their bracts: calyx-tu ns e 
nate or becoming turbinate-campanulate, 3-4 mm. high, the lobes often fully ga ik ag 
the tube : corolla yellowish pink, less than 1 cm. long : capsules 3-4 mm. in T 
In sandy soil, Missouri to Arkansas, Texas and Louisiana. Summer and fall. 
