P LABIATA. (MINT FAMILY.) 319 
notched, the lower spreading, 3-lobed, with the middle lobe larger, entire or 
notched. Stamens 2, short: anther-cells linear, widely separated by the elon- 
gated oblique connective ; the upper one fertile, the lower imperfect or wanting. 
— Cymes in spikes, racemes, or panicles. 
* Upper lip of the calyx entire: lower anther-cell wanting. 
1. S. azurea, Lam. Smooth ; stem simple or branched ; leaves lanceolate 
or linear, obtuse, entire, or the lower ones serrate, tapering at the base; racemes 
elongated ; whorls nearly sessile, 6 — 12-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 west- 
ward. July and Aug.— Stem 29-4? high. Leaves 14/-3/ long. Corolla 6” 
-8" long. 
2. S. urticifolia, L. Stem (19 - 29) mostly simple, villous-pubescent and 
somewhat viscid ; leaves thin, rhombic-ovate, acute, serrate, abruptly contracted 
into a winged petiole, the upper surface and teins beneath sparse-hairy ; racemes 
terminal; bracts ovate, acuminate, caducous ; whorls 6- 19-flowered, remote ; 
calyx bell-chaped; longer than the pedicel, broadly 3-toothed, about half as long 
as the blue and white corolla; style bearded. 
Var. major. Leaves rigid, narrower, acuminate, crenate, with longer and 
broader-winged petioles; the lower surface, like the taller (4°-6°) branching 
stem, hoary-tomentose ; racemes axillary and terminal; flowers smaller. — Dry 
‘Soil in the upper districts of Georgia, and northward: the variety in Middle 
Florida. July - Sept. — Leaves 2'—4! long. Corolla 4” — 5” long. 
3. S. serotina, L. Stem tomentose, branching ; leaves ovate, mostly 
acute, crenate-serrate, tomentose, paler beneath, cordate or truncate at the base, 
Petioled ; racemes many-flowered; whorls mostly 6-flowered, the lower ones 
tather distant, the upper much crowded ; calyx glandular, longer than the pedi- 
cel, acutely toothed, the upper lip purple; corolla small, twice as long as the 
calyx ; style beardless ; the lower lobe spatulate, acute, the upper short, subulate, 
teflexed. — South Florida. Nov. — Stem rigid, 1° high. Leaves 1/ long, twice 
as long as the petiole. Corolla blue and white, 3''— 4" long. 
.4 S. Blodgettii, n. sp. Stem much branched, shrubby at the base; 
es erect, filiform, pubescent; leaves small, thin, oval or ovate, slightly ; 
erenate, rounded at the apex, acute at the base, about as long as the very slen- 
der petiole ; ; racemes filiform, few-flowered ; whorls distant, 2 — 6-flowered ; calyx i 
Somewhat glandular, acutely toothed, slightly inflated in fruit; corolla very 
small: lower lobe of the style spatulate obtuse. — South Florida. — Stem 6' — 
Á high, Leaves 6'/—9" long. Flowers blue, smaller than in No. 3. 
** Upper lip of the calyx broad, 3-toothed : lower anther-cell e koring, but sterile. 
5. 8, lyrata, L. Hairy; stem erect, sparingly branched; leaves chiefly 
Tadical, Spreading, lyrate-pinnatifid, mostly discolored ; stem-leaves 2 or 4, 
Smaller: the upper pair lanceolate and entire; raceme many-flowered ; whorls ee i E 
