SCROI'HULAUIACEiE. (fIGWORT FAMILY.) 289 



anther-cells transverse and confluent into one. Capsule miiny-sceded. — Tall 

 herbs, witli o[)posite leaves, and greenish-jjurple flowers in loose cymes, forinin<^ 

 a fcanow panicle. 



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

 leaves ovate or o1)1oii<j:, or tiie uppermost lanceolate, acute, serrate, rounded or 

 cordate at the base; flowers small. (S. Marilandica, L.) — Sliady hanks and 

 tliickcts, Florida to Jlississippi, and northward. Sept. — Stem 2° - 5° high. 



3. CHELONE, Tourn. Snake-head. 



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

 the throat, bilabiate ; the upper lip concave, cmarginatc ; 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. Sei'ds iinbiieatcd, broadly 

 winded. — 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; sjiikc terminal, imbricated, 

 nearly^ sessile, simple or branched; bracts and sepals ovate; corolla Avhito 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 j' 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 tlie veins beneath ; spike sessile, siin))lc or branched ; 

 bracts and calyx-lobes ovate, ciliate ; flowers purple. (C. latifolia, ^fllhl., 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'llcr. 



Caly.\ 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 S-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 pinnatehj divided. 

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

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

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

 ther-cells smooth, spreading; sterile stamen bearded at the a])ex. — Dry soil in 

 the middle districts of Georgia. — Stem 2° high, slender. Caly.x-lobcs small, 

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

 25 



