310 LABIATH. (MINT FAMILY.) 
ovate, coriaceous, indehiscent. Embryo large, naked, germinating within the 
capsule. — Low evergreen trees, with extensively creeping roots, forming impen- 
etrable thickets on the muddy shores of the sea. Leaves opposite, entire, smooth 
above, hoary and velvety beneath. Flowers in dense heads, on axillary and 
terminal peduncles. i 
1. A. oblongifolia, Nutt.? Tomentose throughout, except the upper 
surface of the rigid oblong obtuse short-petioled leaves ; peduncles three together, 
_ terminal, shorter than the leaves ; heads oval; sepals and bracts orbicular; co- 
rolla tomentose on both sides; style exserted. — Key West. Oct.— Branches 
terete. Leaves 2'-3' long. Peduncles 4-angled. Heads j' long. Corolla 
3" long. 
2. A. tomentosa, Jacq. Leaves obovate-elliptical, very obtuse, tapering, 
into a petiole, smooth above, white-tomentose beneath; spikes short; the lower 
flowers mostly scattered; corolla-lobes truncate, silky below, smooth above; 
stigma nearly sessile. — South Florida. Nuttall.— Leaves 3! long. Corolla 
white. i 
10. PHRYMA, L. Lorsrrp. 
Calyx tubular, bilabiate; the upper lip of 3 bristle-pointed teeth; the lower 
shorter, 2-cleft. Corolla bilabiate; the upper lip notched, the lower longer, T 
lobed. Stamens 4, didynamous, included. Style slender: stigma 2-cleft. Fruit 
oblong, pointed by the persistent style. — A perennial branching pubescent 
herb, with opposite ovate or oblong coarsely-serrate long-petioled leaves, and 
. small opposite purplish flowers in a slender terminal spike. Fruit reflexed. 
1. P. leptostachya, L.— Rich shaded soil, Florida to Mississippi, and 
northward. July and Aug.— Stem 19-39 high, tumid above the joints. 
Leaves 3! - 5! long. à 
Orper 94. LABIAT/E. (Mint FauiLx.) 
Herbs or shrubs, with opposite 4-angled branches, and opposite exstip- 
ulate leaves. Flowers opposite, solitary, or oftener in close axillary spiked 
or capitate cymes (whorls). Calyx 3-10-cleft or toothed. Corolla more 
or less bilabiate, 4—5-lobed. Stamens inserted on the tube of the corolla, 
diandrous or didynamous. Ovary 4-cleft or 4-parted, the lobes surround- 
ing the base of the single style. Ovule solitary, erect, anatropous. Fruit 
of 1—4 one-seeded nutlets. Albumen scarce or none. Embryo straight 
or (in Seütellaria) curved. Radicle short, inferior. — Plants commonly. 
dotted. with minute glands, which are filled with an aromatic volatile oil. - 
praed "Synopsis. : 
Tus L OCIMOIDE JE, — Stamens 4, didynamous ; the lower pair longer, reclining 08 
iu the lower lobe of the corolla. Anthers 2-celled. Nutlets smooth, distinct- Pers 
1- OCIMUM. Upper lobe of the calyx broad, decurrent. Lobes of the corolla nearly equal 
2 HYPTIS. Calyx-teoth nearly equal. Lowest lobe of the corolla longest, sace 
