SCROPHULARIACE^. (FIGWORT FAMIlAr.) 289 



anther^cells transverse and confluent into one. Capsule many-seeded. Tall 

 herbs, with opposite leaves, and greenish-purple flowers in loose cymes, forming 

 a narrow panicle. 



1. S. nodosa, L. Smooth; stem 4-sided; branches elongated, spreading ; 

 leaves ovate or oblong, or the uppermost lanceolate, acute, serrate, rounded or 

 cordate at the base; flowers small. (S. Marilandica, L.) Shady banks and 

 thickets, Florida to Mississippi, and northward. Sept. Stem 2 - 5 high. * 



3. CHELONE, Tourn. SNAKE-HEAD. 



Calyx 5-parted or 5-sepalous, bracted. Corolla inflated-tubular, contracted at 

 the throat, bilabiate ; the upper lip concave, emarginate ; the lower obtusely 

 3-lobed, woolly in the throat. Stamens 4, with the filaments and cordate anthers 

 woolly, and a fifth sterile one shorter than the others. Seeds imbricated, broadly 

 winged. Smooth perennial herbs, .with opposite serrate leaves, and large white 

 or purple flowers in short dense bracted spikes. 



1. C. glabra, L. Stem simple or branched, 4-sided ; leaves lanceolate or 

 oblong, acute or acuminate, on very short petioles ; spike terminal, imbricated, 

 nearly sessile, simple or branched ;, bracts and sepals ovate ; corolla white or 

 rose-color. (C. obliqua, L.) Wet banks of streams, Florida and northward, 

 rare in the lower districts. Sept. Stem 2 high. Leaves 2' -4' long, some- 

 times pubescent beneath. Corolla 1' - 1|' long, concave beneath. 



2. C. Lyoni, Pursh. Stem simple or branched; leaves ovate or ovate- 

 oblong, rounded or cordate at the base, acuminate, serrate, conspicuously peti- 

 oled, mostly pubescent on the veins beneath ; spike sessile, simple or branched ; 

 bracts and calyx-lobes ovate, ciliate; flowers purple. (C. latifolia, MuJd., leaves 

 acute at the base.) Mountains of North Carolina. Sept. Stem 2 - 3 high. 

 Leaves 4' - 6' long, thinner, and the flowers smaller than in the preceding. 



4. PENTSTEMON, L'Her. 



Calyx 5-parted. Corolla inflated-tubular, or somewhat bell-shaped, open at 

 the throat, bilabiate; the upper lip rounded, concave, emarginate or 2-lobed; 

 the lower 3-lobed. Stamens 4, declined at the base, and a fifth sterile one as 

 long as the others, and commonly bearded above. Capsule 2-valved, many- 

 seeded. Seeds wingless. Erect perennial herbs, with opposite leaves, and 

 white or purple flowers in axillary and terminal cymes, forming a close or open 

 narrow terminal panicle. 



* Leaves pinnately divided. 



1. P. dissectus, Ell. Smooth or minutely pubescent; divisions of the 

 leaves linear, obtuse, entire or sparingly lobed ; cymes few-flowered, long-pedun- 

 cled ; corolla somewhat bell-shaped, with rounded and nearly equal lobes ; an- 

 ther-cells smooth, spreading; sterile stamen bearded at the apex. Dry soil in 

 the middle districts of Georgia. Stem 2 high, slender. Calyx-lobes small, 

 acute. Corolla 9"- 10" long, purple. 



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