LABIATE. (MINT FAMILY.) 381 



* Upper lip of the calyx ovate, entire or 3-toothed : lower anther cell wanting. 



\. S. azurea, Lam. Smooth; stem simple or brauched ; leaves lanceo- 

 late or linear, obtuse, entire, or the lower oues serrate, tapering at the base ; 

 racemes elongated ; whorls nearly sessile, 6 - 1 2-flowered ; calyx longer than 

 the pedicel, the teeth ovate, acute; corolla 2-3 times as long as the calyx, 

 white or blue ; style bearded. Dry light or sandy soil, Florida to South 

 Carolina, and westward. July - August. Stem 2 -4 high. Leaves l|'-3' 

 long. Corolla 6" - 8" long. 



2. S. urticifolia, L. Stem (1- 2) mostly simple, villous-pubescent aud 

 somewhat viscid ; leaves thin, rhombic-ovate, acute, serrate, abruptly con- 

 tracted into a winged petiole, the upper surface and veins beneath sparse- 

 hairy; racemes terminal; bracts ovate, acuminate, caducous; whorls 6-12- 

 flowered. remote ; calyx bell-shaped, longer than the pedicel, broadly 3-toothed, 

 about half as long as the blue and white corolla; style bearded. Rich soil 

 in the upper districts. April -Slay. 



3. S. Chapmani, Gray. Tomeutose; stem tall, branching; leaves thick, 

 ovate or ovate-lanceolate, contracted into a broadly winged petiole ; racemes 

 axillary and terminal, the cordate bracts deciduous ; whorls 2 - 6-flowered. 

 Dry soil, Middle Florida. May - June. Stem 3 - 5 high. Corolla pale blue. 



4. S. COCCinea, L. Pubescent; stem branching, l-2 high; leaves 

 sleuder-petioled, cordate-ovate, acute, 1'- 2' long; racemes loose, many-flow- 

 ered ; calyx teeth ovate, acute ; corolla scarlet. Waste ground, escaped from 

 cultivation. July - Sept. 



5. S. serotina, L. Stem tomentose, branching; leaves ovate, mostly 

 acute, crenate-serrate, tomentose, cordate or truncate at the base, petioled ; 

 racemes short, many-flowered ; whorls mostly 6-flowered, the upper much 

 crowded; calyx glandular, longer than the pedicel; corolla small, twice as 

 long as the calyx ; style beardless ; the lower lobe spatulate, acute, the upper 

 short, subulate, reflexed. South Florida. Nov. Stem 1 high. Leaves 1' 

 long, twice as long as the petiole. Corolla blue and white, 3" -4" long. 



6. S. Blodgettii, Chapm. Stem much branched ; branches erect, fili- 

 form, pubescent; leaves small, thin, oval or ovate, slightly crenate, rounded 

 at the apex, acute at the base, about as long as the very slender petiole ; ra- 

 cemes filiform, few-flowered; whorls distant, 2 -6-flowered; calyx somewhat 

 glandular, acutely toothed, slightly inflated in fruit ; corolla verv small ; lower 

 lobe of the style spatulate, obtuse. South Florida. Stem 6' -12' high. 

 Leaves 6" - 9" long. Flowers blue. 



7. S. lanceolata, "Willd. Stem low (6'- 12' high), smooth, the branches 

 pubescent; leaves lanceolate-linear, obtuse, obscurely serrate (!'- 2' long), 

 narrowed to a petiole, the floral ones subulate ; whorls distant, mostly 2-flow- 

 ered ; corolla blue, scarcely longer than the smooth calyx. East Florida 

 (Gray), and far west. 



8. S. OCCidentalis, Swartz. Stem long (2 -6), creeping, retrorsely 

 pubescent, the internodes swollen ; leaves short-petioled, ovate, acute, serrate : 

 racemes spike-like, many-flowered; whorls distant, mostly 6-flowered, as long 

 as the ovate acuminate bracts ; calyx glandular-villous, half as long as the 



