erect, or ascending at the base, very stout, simple, obtusely 
4-angled. Leaves dark-green, rugose, radical on petioles 
sometimes a foot long ; blade cordiform, deeply lobed at the 
base, coarsely crenate, rugose ; cauline in few pairs, sessile or 
shortly petioled, more finely crenate, orbicular or cordiform, 
uppermost bracteiform. Upper whorls densely crowded into 
an oblong almost woolly head 1-4 inches long ; bracts shorter 
than the calyx, incised; pedicels very short. Calyx \ inch 
long, between bell-shaped and funnel-shaped, curved, with 
4 short triangular-ovate acute teeth, and one broadly dilated 
orbicular one. Corolla purple, spotted with white and darker 
purple, tube not much exceeding the calyx, dilated at the 
throat ; lips short ; upper compressed hairy, 2 -lobed ; lower 
with 2 rounded lateral lobes, and a reniform mid- lobe that is 
attached by a broad claw. Stamens short, filaments ciliate ; 
anther-cells divaricate. Bisk fleshy, produced behind. 
J. D. II 
Fig. 1, Flower; 2, corolla laid open ; 3, calyx and style; 4, disk and ovary: 
■all enlarged , 
