1230 ACANTHACEAE 
Corolla red or crimson, curved: tube longer than the lips. 1. D. assurgens. 
Corolla purple or pink, nearly straight: tube and lips about 
equal in length. 2. D. brachiatum. 
1. D. assurgens (L.) Kuntze. Plant 3-11 dm. tall, often diffuse: leaf-blades 
ovate to elliptie or nm ae em. long: calyx 3—4 mm. long; lobes 
ae corolla crimson d, 2-2.5 e PUE 
long: eapsule 7-8 mm. isi T e M 
S pen. Fla. = the Keys.—(W. I., Mex., C. 
4.)—A1l yea 
2. D. brachiatum (Pursh) Kuntze. Plan 
3-8 dm. tall: leaf-blades ovate to elliptie- 
ovate, 2 , ae or 
acuminat alyx 4-5 mm. long; lobes linear- 
e: cal 
tree ens 15-20 mm. long: capsule 
abou m. long.—River-banks and swamps, 
Coastal Plain, Fla. to Tex., Kans, Mo., and 
. C.—Sum.-fall.—The two species in our 
range are as distinct in their ha bitate as in 
the A of their corollas. The firs P 
? 
a one inhabits fresh swamps and as. 
8. YEATESIA Small. Perennial herbs. Leaf-blades entire. Flowers 
in conspicuously bracted spikes. Calyx 5-lobed, the lobes slender. Corolla 
slightly 2-lipped: upper lip ante or nearly 
so: lower lip 3-lobed. — with an 
ovoid body.—One specie 
Y. ora (Nees) Small. Plant 2-6 
A tall: teat blades elliptic or elliptic- -lance- 
t 
Plain and adj. provinces, Fla 
Tenn., and Ga.—Sum. 
9. NTHERA [Gronov.] L. Perennial herbs. Leaf-blades entire or 
rarely toothed. Flowers in dense spikes on axillary peduncles. Calyx 4-5 
2-lipped: upper a he notched: lower 
lip 3-lobed. Anther-saes borne obliquely, 
each at the tip "3 a ee of the connective. 
Capsule mostly 4-seeded.—One species. 
americana L. Stem 3-10 dm. tall: 
leaf-blades linear to pd eee or nar- 
1 . lon 
rowly elliptie, 5—15 e ng: peduneles as- 
cending, about as iene as the leaves or 
longer: spikes 1-3 long, continuous 
ealyx-lobes linear, 4-5 mm. long: corolla 
nat pink, or purplish: capsule em 
u .5—2 cm. 
ong.—(W ATER-WILLOW.)—-Beds, shores, and 
neat >, X 
de of streams, various provinces, Ga. to Tex., Mich., and Que.—Spr.-sum. 
