308 SCKoIMU'LAItlACK.K. (kKJWOKT KA.MIl.Y.) 



3. CHELONE, rumn. Snaki;-iikai>. 



C'alvx .■j-iiiirtrd or r)-.s(|ialuu>, luiuiiil. ("omlla iiiHateil-tiiltular, contriuted 

 at tlie tliroal, liilulnalu ; tlic upiM-r lip coiuavi-, emargiiiatc ; tlie lower ob- 

 tusely .J-lohetl, woolly ill the throat. .Staiueus 4, wiiii the lilaiiieiitM and cor- 

 date anthers woolh , and a fifth sterile one shorter than the otiiers. Seeds 

 inihrieated, liroadly wingeil. — .Sniootli |ierenni:il herl)s, with opposite serrate 

 leaves, and large wiiite or jmrple (lowers in short dense hraeted spikes. 



1. C. obliqua, L. stem ni<j.stly sini])le, 2^ high; leaves large (2'- 5' 

 long), thin, oldong-uvate, eoar.sely serrate, tapering intoa short petiole ; corolla 

 1^' long, bright rose-color. — Wet i)anks, chictly in the upper di.«itrict8. Sept. 



2. C. glabra, I^- stem simple or branched; leaves lanceolate, finely 

 serrate, acute or acuminate, on very short petioles; spike terminal, simple or 

 branched ; corolla white. — Wet banks of streams, rare in the htwer districts. 

 Sept. — Stem 2° high. Leaves 2' -4' long, sometimes j)ubescent beneath. 

 Corolla 1' long. 



3. C. Lyoni, I'ursh. stem simple or l)ranched ; leaves ovate or ovate- 

 oblong, rounded or cordate at the ba.se, acuminate, serrate, conspicuously j)eti- 

 oled, mostly pubescent on the veins beneath ; flowers purple. — Mountains of 

 North Carolina. Sept. — Stem 2° -3° high. Leaves 4'- 6' loug, thinner, and 

 the flowers smaller than in the ])receding. 



4. PENTSTEMON, L'ller, 



Calyx 5-))artcd. Corolla inilated-tubular, or somewhat bell-shaped, open at 

 the throat, bilabiate ; the upper lij) 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 other."*, and commonly bearded above. Cap.oule 2-valved, many- 

 seeded. Seeils wingless. — Erect perennial herl)s, with opposite leaves, and 

 white or purpl<> flowers in axillary and terminal cymes, forming a close or open 

 narrow terminal jtaiiicle. 



* Leaven pinnateli/ divided. 



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

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

 pednncled ; corolla somewhat bell-shaped, with rounded and nearly equal 

 lobes ; anther cells smooth, spreading ; sterile stamen bearded at the apex. — 

 Dry soil in the middle districts of Georgia. — Stem 2° high, slender. Calyx 

 lobes small, acnte. Corolla 9"- 10" long, purple. 



* * Lenrex undivided. 



2. P, pvibescens, Solander. Pubescent or smooth; leaves lanceolate, 

 acute, serrate or entire, sessile or clasping; the lowest ovate or oblong, taper- 

 ing into a slender petiole; cymes spreading, few-flowered ; tube of the corolla 

 gradually dilated above the middle ; lower lip longer than the upper ; anthers 

 smooth. — Dry open woods and fence-rows. June -July. — Stem 2° high. 

 Lowest leaves .T-."/ long. Corolla 1' long, pale purple. 



3. P. Igevigatus, Soland. Smooth or nearly so ; stem leaves ovate- 

 lanceolate, serrate or entire, clasping ; the lowest oblong, narrowed into a 

 petiole ; cymes few-flowered, spreading, forming a narrow panicle ; tube of 



