LABIATE. (MINT FAMILY.) 385 



floral ones ovate, sessile ; racemes terminal ami axillary, many-flowered, viscid ; 

 calyx hairy; lateral lobes of the corolla conspicuous. Dry open woods in 

 the upper districts. July - Sept. Stem 1- 2 high. Leaves 2' -4' loug. 

 Hacemes 3' -6' long. Corolla 6" -8" long, blue aud white. 



Var. minor. Small (6' - 12') ; leaves tomentose, finely crenate ; the lowest 

 orbicular, the upper ovate-lanceolate, truncated at the base (^'-1' long), the 

 floral ones narrower. Dry woods in the upper districts. August. 



2. S. saxatilis, Hiddell. Smooth or nearly so; stem ascending, slender, 

 8' - 12' high ; leaves 1'- 2' long, thin, the lower cordate-ovate, coarsely creuate, 

 obtuse, long-petioled, the floral ones oblong, entire ; racemes loose ; flowers 

 small, blue. (S. arguta, BuckL, a pubescent form.) Mountains of North 

 Carolina. July -August. 



3. S. canescens, Nutt. Stem erect, tomeutose, branching above ; leaves 

 ovate or oblong-ovate, acute, smoothish, paler and puucticulate beneath, short- 

 petioled, the lower ones cordate, the upper lanceolate ; racemes axillary and 

 terminal, pubescent, many-flowered ; corolla blue and white. Dry open 

 woods, Florida and Georgia. July -August. Stem 2 -3 high. Leaves 

 2'- 3' long. Corolla 8" - 9" long. 



4. S. serrata, Andr. Smooth , stem erect, branched ; leaves ovate, acute, 

 smooth and green on both sides, decurrent into the margined petiole ; the 

 floral ones small, lanceolate; racemes short, simple, few-flowered, 1-sided; 

 calyx mostly hairy; corolla large, blue. Dry woods, North Carolina. 

 Stem 2 -3 high Leaves 1' -1|' long. Corolla 1' long. 



5 S. montana, Chapm Softly pubescent; stem mostly simple (l-2 

 high) ; leaves of the stem, and lowest floral ones, ovate or oblong-ovate, 

 coarsely serrate, acute at each end, the lowest cordate ; racemes few-flowered; 

 corolla large (!'- H' long), blue, the ample lower lip nearly as long as the 

 upper one. Dry woods, and margins of fields, on the mountains of Georgia. 

 July- August. 



6. S. pilosa, Michx. Hirsute or closely pubescent ; stem simple or spar- 

 ingly branched; leaves distant, ovate, obtuse, coarsely crenate; the lowest 

 rounded at the base, the upper ones abruptly short-petioled ; racemes short, 

 few-flowered; corolla pale blue. Dry soil. July -August. Stem l-2 

 high. Leaves 1'- 2' long. Corolla 8"- 9" long, the tube slender. 



7. S. villosa, Ell. Stem erect, branching, villous; leaves large, lanceo- 

 late, acute at each end, coarsely toothed, villous beneath, hispid above; ra- 

 cemes paniculate, with the flowers crowded. Georgia, between the Ocmulgee 

 and Flint Rivers (Elliott). May- July. Stem 2-3 high. Leaves 3'-4' 

 long, on petioles -J' long. 



1- - Upper and floral leaves alike, entire, nearly sessile ; the lower broader, 



petiolfd, and most!// crenate. 



8. S. brevifolia, Gray' Pubescent ; stem mostly simple (6'- 12' high) ; 

 leaves small (V-V long), rigid, lanceolate, obtuse, entire, tapering down- 

 ward, sessile ; the lowest ovate or obovate, short-petioled, crenate or entire, 

 the lower floral ones sometimes longer than the flowers ; racemes leafy, few- 

 many-flowered. Dry sandy soil, Georgia and Florida. May- June. 



