224 ORDER 88. SCROPHULARIACE^E. 



1 L. ERUBESCENS. Lvs. triangular-cordate, dcntate-lobed, pubescent; cal. segm. ovute, 



hirsute ; cor. downy, 24- 3' long, red, with an ample border. 10 20f. 



2 I*. SCANDENS. Lvs. cordate-ovate, pointed, coarse-toothed, smoothish ; calyx segm. 



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



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

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

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

 margins. Herbs or suffruticous, often foetid. Leaves opposite. Cymes in 

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



S nodosa L. Glabrous, tall, branching ; leave? 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, y. Thickets. 4 6f. July Oct. 



14. CHELONE, 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, u With opposite leaves and sessile flowers in the upper axils. 



1 C. glabra L. Smooth ; Ivs. eubsessile, 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. purpitrea, Lvs. distinctly petiolate, acuminate ; flowers rose-purple. West. 



2 C. Lyoni Ph. Smooth ; Ivs. ovate, acuminate, petiolate, serrate, the lower cordate ; 



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



15. FENTSTEMON, L. BEARD-TONGUE. Calyx deeply o-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. U 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 Leaves serrate, with pale purple or blue flowers. Tongue bearded Nos. 6 8 



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



c Cor. scarcely bilabiate, d scarlet or crimson No?. 10 12 



d blue or violet Nos. 1315 



1 P. dlssectus Ell. Lvs. pinnately divided into linear segm. ; fls. in a looso pamcle; 



cor. with a curved tube, 9 10", purple ; tongue bearded at apex. Dry. Ga. 2f. Jn., Jl. 



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



loose panicle ; cor. tube 70", gradually enlarged upward, pale purple, lower lip with 

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



3 p. Digitalis N. Glabrous ; Ivs. elliptic to lanceolate, the upper clasping ; rls. many, 



large, corolla tube abruptly enlarged to bell-form, pale blue or purplish, 12 15" long, 

 throat widely open, beardless. Rich soils, Pa., W. and S. 3f. Leaves 36'. 



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



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

 nearly regular, bluih purple. Til., Wis.. and W. 3f. Handsome, t 



