84 
DIAYNAMIA GYMNOSPERJUA. 
DRACOCEFHALUM. Gen. Pl. 984. 
Calyx 5-fidus, den- 
tibus subaequalibus. 
Corollce faux inflata, 
labium superius con- 
cavum. 
1. Virginianujnj. 
D, spicis elongatis 
confertifloris ; brac- 
teis parvuiisjsubulatis; 
calycis dentibus bre- 
vibus, subaequalibus ; 
foliis lineari-lanceola- 
tis, acute serratis. 
Calyx 5-cleft with 
teeth nearly equal. 
Throat of the corolla 
inflated, the upper lip 
concave. 
Spikes long with 
the flowers crowded; 
bracteas small, subu- 
late ; teeth of the cai- 
lyx short, nearly e- 
qual; leaves linear lan- 
ceolate, acutely serra- 
ted. 
Sp. ph 3. p. 149* BJich. 2. p. 10. Pursh 2. p. 411. 
Root perennial and in all the species creeping. Stem glabrous, square, 
2 — 3 feet high, pubescent near the summit. Leaves opposite, sessile, 2 — 3 
inches long, narrow, very acutely serrate towards the summit, serratures al- 
most acuminate. Spikes terminal. Flowers generally opposite. Brae 
teas subulate, slightly acuminate, scarcely half as long as the calyx, and 
with the calyx very pubescent. Corolla inflated at the throat, bright pur- 
ple, handsome, two or three times as long as the calyx, longer than the 
Stamens. 
Grows in mountain meadows. Pennsylvania to Carolina. Pursh. 
Flowers July — September. 
2. Variegatum. Venterat. 
D. spicis brevihus 
tetragoeis ; bracteis 
ovatis, acuminatis, 
ealyeem aequantibus ; 
calycis dentibus pau- 
lo inaequalibus ; foliis 
arete sessilibus, ob- 
Spikes short, 
square ; bracteas o- 
vate, acuminate, as 
long as the calyx; teeth 
of the calyx a little 
unequal; leaves close- 
ly sessile, oblong lan- 
