224 ORDER 88. SCKOPHULARIACE^E. 



1 Li. ERUBESCENS. Lvs. triangular-cordate, dentate-lobed, pubescent ; cal. egm. ovute, 



hirsute ; cor. downy, 2J 3' long, red, with an ample border. 10 20f. 



2 Li. SCANDENS. Lvs. cordate-ovate, pointed, coarse-toothed, smoothish ; calyx sngm. 



lance-ovate; cor. glabrous, 2', scarlet, limb erect-spreading. lOf. 



13. SCROPHULARIA, L. FIGWORT. Calyx in 5 acute segments. 

 Cor. subglobous, limb contracted, sub-bilabiate, lip with an internal, inter- 

 mediate scale (sterile filament). Capsules 2-celled. Valves with 2 inflated 

 margins. Herbs or suff'ruticous, often foetid. Leaves opposite. Cymes in 

 simple or compound, terminal, thyrsoid panicles. Fig. 167. 



S. nodosa L. Glabrous, tall, branching; leaves ovate, oblong, or lanceolate; fls. in 

 loose pedunculate cymes, combined into an oblong panicle ; sterile anther a roundish 

 green scale on the dull, olive-colored corolla. 11 Thickets. 4 fif. July Oct. 



14. CHEIiONE, L. TURTLE-HEAD. SNAKE-HEAD. Calyx deeply 5 

 parted, with 3 bracts at base. Cor. inflated, bilabiate. Sta. 4, woolly, the 

 sterile filament shorter than the rest. Caps, valves entire. Seeds broadly 

 winged. 1C With opposite leaves and sessile flowers in the upper axils. 



1 C. glabra L. Smooth ; Ivs. subsessile, oblong-lanceolate, acuminate, serrate, acute 

 at base ; flowers densely spiked. By brooks and in wet places. 2f. Stems simple, in 

 clumps. Flowers 1' long, white or roseate, with short gaping lips. Aug.. Sept. 

 /3. pttrpiirea. Lvs. distinctly petiolate, acuminate ; flowers rose-purple. West. 



4 C. Lyoiii Ph. Smooth; Ivs. ovate, acuminate, petiolate. serrate, the lower cordate; 

 fls. in a dense spike. Mts. of Car. and Ga. 1 2f. Corolla purple, 1J'. July Sept. 



15. FENTSTEMON, L BEARD-TONGUE. Calyx deeply 5-cleft, Cor 

 elongated, often ventricous, lower lip 3-lobcd, spreading. The fifth filament 

 (tongue) sterile, bearded, longer than the rest or about as long ; anth. smooth. 

 Seeds oo, angular, not margined. H N. American, branching, paniculate. 

 Leaves opposite, the lower petiolate, upper sessile or clasping. Flowers 

 showy, red, violet, blue, or white, in Summer. 



* Native E. of the Mississippi River, sometimes cultivated., .(a) 



a Leaves dissected. Corolla bell-shaped, lobes rounded, subequal No. 1 



a Leaves undivided, serrulate. Sterile filament (tongue) bearded Nos. 2, 3 



a Leaves entire. Tongue puberulent, widened and incurved at the apex. . ..No. 4 



* Native W. of the Mississippi, cultivated for ornament. . .(b) 



b Leaves incisely pinnatifid. Corolla lobes subequal. Tongue smoothish.. .No. 5 



b Leave? serrate, with pale purple or blue flowers. Tongue bearded No6. 6 8 



b Leaves entire. c Cor. strongly bilabiate, scarlet. Tongue bearded No. 9 



c Cor. scarcely bilabiate, d scarlet or crimson Nos. 10 12 



d blue or violet Nos. 13 15 



, p. dlssctU8 Ell. Lvs. pinnately divided into linear segm. ; fls. in a loose panicle; 



cor. with a curved tube, 910'', purple ; tongue bearded at apex. Dry. Ga. 2f. Jn., Jl. 



ii P. pubescens Sol. Pubescent or glabrous ; Ivs. ovate-oblong to lanceolate; fls. in a 



loose panicle ; cor. tube 7!)", gradually enlarged upward, pi le purple, lower lip with 



two bearded folds inside, some longer than the upper. Hills and bluffs. 1 2f. t 



3 P. Digitalis N. Glabrous; Ivs. elliptic to lanceolate, the upper clasping ; fls. many, 



large, corolla tube abruptly enlarged to bell-form, pale blue or purplish, 1215" long, 

 throat widely open, beardless. Rich soils, Pa., W. and S. 3f. Leaves 3 6'. 



4 P. grandlflorus Fras. Glabrous and glaucous ; Ivs. oblong-obovate to roundish- 



ovate, upper clasping, all entire ; panicle long, slender ; corolla bell-shaped, 15", limb 

 nearly regular, bluish purple. 111., Wi*., and \V. 3f. Handsome, t 



