Descr.—A slender, erect herb, everywhere glabrous, 
except on the throat of the corolla. Stem unbranched, 
narrowly four-winged. Leaves very shortly petioled, alter- 
nate, three to five inches long, ovate-lanceolate, acuminate, 
acutely serrulate, with the serratures inflexed, base acute, 
deep green above, beneath pale, with prominent nerves. 
Inflorescence terminal, shortly peduncled, spiciform raceme 
from six to eight inches long, very slender, half an inch 
broad, densely many-flowered ; bracts lanceolate, about as 
long as the calyx, green. Flowers very shortly pedicelled. 
Calyz about an eighth of an inch long, divided nearly to 
the truncate base into five sub-equal, lanceolate, acuminate 
lobes. Corolla defiexed, tube short, limb about one-third 
of an inch broad, five-lobed to the middle, dark red- 
purple; posticous lobe largest, depressed, broadly ovate, 
tip two-toothed ; lateral lobes spreading, ovate, acuminate ; 
mouth with a broad ring of purple matted hairs. Stamens 
2, exserted; anthers oblong, didymous, yellow. Ovary 
compressed, two-celled ; style shorter than the filaments, 
erect; stigma minute.—J. D. A. 
Fig. 1, portion of margin of leaf; 2, flower; 3, calyx and bract; 4, corolla 
laid open and stamens; 5, ovary :—all enlarged, 
