PYCNANTHEMUM. XC. LABIAT ZZ. 419 
variegated with pale purple and yellowish-white, in whorled spikes. Calyx 
with spinous teeth. Native in Italy. + 
4. S. Mexicana. Willd.? Mezxican Salvia.—St. branching at base, weak, 
ascending, pubescent ; lus. long-petiolate, ovate-lanceolate, subcordate, crenate- 
dentate, smooth above, pubescent beneath ; fls. opposite, in terminal racemes ; 
bracts deciduous ; cal. slightly colored, upper lip truncate, subentire; cor. fim- 
briate-ciliate, 3—4 times longer than the calyx; sty. exserted.—2 Mexico. A 
beautiful and popular house plant. Flowers bright crimson or scarlet, near 2’ 
long. There are several varieties. ¢ 
5. S. sPLENDENS. Ker. ?—S¢. erect, glabrous ; Jvs. broad-ovate and ovate, peti- 
olate, rounded or acute at base, glabrous both sides, dent-serrate, acuminate ; 
fis. opposite, racemose; dracts deciduous; cal. scarlet, and, with the corolla, 
ubescent, upper lip entire, acuminate, lower lip 2-toothed—2 Mexico. Gar- 
ens. Plant 2—4f high, branched. Flowers large, scarlet. After flowering 
the calyces enlarge, and become as showy as the corollas. 
10. ROSMARINUS. 
An ancient Latin name, compounded of vos, dew, and marinus, of the sea. 
Corolla bilabiate, upper lip 2-parted, lower lip reflexed, in 3 divis- . 
ions of which the middle is the largest; fil. 2 fertile, elongated, as- 
cending towards the upper lip, having a tooth on the side. 
R. orricinatis. Rosemary.—Luws. sessile, linear, margins revolute.—An erect, 
evergreen shrub, 4f high, much branched. Leaves opposite, obtuse, linear-ob- 
long, entire, smooth, dark green and shining above, downy and sometimes 
whitish beneath. Flowers axillary and terminal, of a bright blue color, having, 
like the leaves, a strong aromatic fragrance like camphor. It yields by distil- 
lation a large proportion of fragrant oil. ¢ 
Tree 4. SATUREINEX.—Calyx 5-toothed and equal, or bilabiate with 
the upper lip trifid and the lower bifid. Corolla subbilabiate, upper lip 
erect, flat, entire or bifid, lower spreading, trifid, lobes subequal; tube about 
as long as the calyx. Stamens 2—4, distant, straight, diverging. 
11. PYCNANTHEMUM. Benth. 
Gr. mukvos, dense, avSos, alluding to the dense, capitate inflorescence. 
Calyx tubular, striate, 5-toothed ; upper lip of corolla nearly en- 
tire, lower lip trifid, middle lobe longest; sta. distant; anth. with 
parallel cells. 
1. P. incAnuM. Michx. (Clinopodium. Willd.) Mountain Mint. Wild 
Basil.—Lvs. oblong-ovate, acute, subserrate, rounded at the base, with 
short petioles and hoary tomentum ; Ads. of fils. compound, terminal and lateral, 
pedunculate ; bracts subulate—2| Grows in rocky woods and hills, Can., N., 
Mid. and W. States. Stem 2—4f high, obtusely 4-angled, erect, and, like the 
rest of the plant, covered with soft, whitish down. Leaves whitish beneath. 
Flowers pale red with purple spots, on white, tomentose peduncles, in dense 
_ heads, and with numerous bracts, of which the inner ones are sctaceous, beard- 
ed at the end; the outer ones are lanceolate. Plant aromatic. Jl. Aug. 
&. St. taller, branched ; wpper ivs. with white blotches.—Ind. ! 
2. P. aristatum. Michx. (Nepeta Virginica, Linn.?) Wild Basil. 
St. hirsute-pubescent, brachiate-corymbose; Jvs. ovate-lanceolate, briefly 
petiolate, acute at base, subserrate, pubescent, acuminate; verticils terminal, 
capitate and subterminal, hirsute; bracts lance-subulate, and with the calyx 
terminated by awns.—W oods and barrens, N. Y., Mass. to Miss.! Stem 1—3f 
high, subsimple or much branched. Leaves 1—23’ by 1—3’, generally with 
small, remote serratures and ciliate on the margin. Each branch terminates 
in a small (3’ diam.) head with one or two dense whorls just below it. Itis a 
more spreading and hairy plant than P. muticum. Jl. Aug. 
36 
