GENUS 9. FFIGWORT FAMILY. 
2. Pentstemon canéscens Britton. Gray 
Beard-tongue. Fig. 3756. 
Pentstemon laevigatus var. canescens Britton, Mem. 
Torr. Club 2: 30. 1890. 
P. canescens Britton, Mem. Torr. Club 5: 291. 1894. 
Densely and finely canescent or puberulent, or 
the leaves sometimes nearly glabrous; stem rather 
stout, 1°-3° high. Leaves denticulate, the lower 
and basal ones oval, obtuse, narrowed into long 
margined petioles, the next I or 2 pairs con- 
tracted below the middle and somewhat fiddle- 
shaped, 3’-6’ long, the upper ovate or ovate-lan- 
ceolate, acuminate, clasping; thyrsus elongated, 
open, glandular-pubescent, leafy-bracted below; 
pedicels very short; calyx-segments lanceolate, 
acuminate; corolla purple or nearly white, about 
1’ long, slightly or not at all bearded in the 
throat; sterile filament slightly bearded for about 
one-third its length; capsule ovoid, glabrous, 
longer than the calyx. 
In dry woods, Virginia, West Virginia and North 
Carolina to western Kentucky. Recorded from Mis- 
souri. May-June. 
3. Pentstemon pallidus Small. Pale Beard- 
tongue. Fig. 3757. 
Pentstemon pallidus Small, Fl. SE. U. S. 1060. 1903. 
Puberulent, or sometimes canescent-puberulent; stem 
3°-9° tall. Basal and lower stem-leaves with oblong 
elliptic or nearly spatulate blades; upper stem-leaves 
few, the blades oblong, lanceolate or linear-lanceolate, 
rather remotely toothed, partly clasping; panicles nar- 
row; calyx-segments ovate, becoming triangular, acute, 
closely puberulent or pubescent during anthesis; corolla 
white or purplish, 9’-10” long, the tube rather grad- 
ually dilated, the throat sparingly bearded; sterile fila- 
ment bearded with very short hairs. 
In sandy soil or swamps, Connecticut and New York to 
4. Pentstemon eridnthera Pursh. Crested 
Beard-tongue. Fig. 3758. 
Pentstemonerianthera Pursh, Fl. Am. Sept.737. 1814. 
Pentstemon cristatus Nutt. Gen. 2: 52. 1818. 
Puberulent below, glandular-villous and_viscid 
above; stem rather stout, leafy, 6-18’ high. Leaves 
firm, entire or repand, the lower and basal ones 
oblong or spatulate, obtuse or acutish, 2-4’ long, 
narrowed into margined petioles, the upper sessile 
or somewhat clasping, acute or acuminate; thyrsus 
dense, narrow, leafy-bracted; flowers almost ses- 
sile; calyx-segments linear-lanceolate, acuminate, 
villous when young; corolla about 1’ long, rather 
abruptly dilated above, red or purple, its lower 
lip villous within; sterile filament densely long- 
bearded. 
On plains and bluffs, South Dakota to Manitoba, 
Montana, Nebraska and Nevada. May-July. 
Missouri, Florida and Oklahoma. 
