1156 LAMIACEAE 
lower ones slender-petioled, the upper sessile: panicles few-flowered : ed 
ovate or elliptic, mostly obtuse: pedicels very short: calyx becoming 9-10 m 
han ma 
] 
rose-purple striped with white and purple, 3-3.0 ps pes tube abruptly dilated 
near the middle, the upper lip suborbieular, 1 e n diameter, the lower lip 
with a notched middle lobe and truncate lateral pe ——Swamps and marshes,. 
Coastal Plain, Fla. to Ala. and N. C.—Sum.-fall. 
DRACOCEPHALUM [Tourn.] L. Perennial, erect or reclining 
iuis po i typieally narrow, usually toothed, at least near the apex. 
Flowers purplish-pink to white, in spike-like racemes. Ca alyx essentially regu- 
lar: lobes 5, shorter than the tube. Corolla 2-lipped: upper lip arched, entire: 
lower lip 3 obe d. Mcr i filaments elongate, one pair sometimes glabrous. 
[Physostegia | Benth.]—4A bo 7 species, North  Ameriean.—Sum.—FALSE 
DRAGON-HEADS. OBEDIENT PLANTS. 
Corolla over 2 cm. 
long. 
Leaf-blades entire or with blunt teeth. 
Mature calyx short-tubular, 9-11 mm. long: upper leaves conspicuously 
reduced. 1. D. denticulatum. 
Me calyx campanulate, 5-6.5 mm. long: upper 
leav a bat "slightly reduced. 2. D. leptophyllum. 
Leaf-bl Ses copiously toothed With very acute Cu d 3. D. virginianum. 
| pu less than 2 em. long: mature calyx tubular, Sg 9m 
ng: stem copiously leafy uD to the inflorescence Ec D. peroniciformis "m 
RA i aaa 
1. D. denticulatum Ait. Stem 9 dm. long: leaves few; blades spatulate 
to oblong, 2-14 cm. long, thick, pad Re mostly obtuse: calyx-lobes 
deltoid: corolla 20-25 mm. lon utlets 
about 2 mm. ee LES denticulata. Britton] 
—Swamps and river-banks, o ofte cal- 7*3 
careous soil, mri provinees, Fla. id Tex., 
Kans. and Md. —Sum.—fall. 
2. D. ee Small. Stems 
-23 mm. long: nutlets 3-3.5 
leptophylla Small} -Riv er- dons 
wamps, pen. Fla.—Spr.-fal 
3. D. Kea ee L. Stems 3-15 dm 
long: 2 es many; blades narrowly oblong 
to linear-oblong or e -lanceolate, 3-12 em. long, thickish, eee serrate 
r creen serrate, ly acuminate or acute: e lane vate- 
lanceolate: corolla 25- "36 m m. long: nutlets about 3 mm. long. OP. y no» iana 
nth.]—Swamps, low Ule. and thickets, often in Renee. acid soil, various 
provinces, Fla. to Tex., Kans., and Que.—Sum 
4. D. veroniciformis Small. Stems 5-7 dm. long: leaf-blades lanceolate to ob- 
long-lanceolate i the lower part of the stem, narrowly pandurate to s 
above, 5-10 em. long, undulate to erenate-undulate: ealyx-lobes mainly laneeo- 
i ordeo: retuse: shorter filaments punc [P. 200250000 
mall]—Low grounds, Coastal Plain, Ga.—Sum 
13. SYNANDRA Nutt. Annual or biennial erect herbs. Leaf-blades 
broad, toothed. Flowers in interrupted racemes. Calyx nearly regular: lobes 
