310 LABIATiE. (mint FAMILY.) 



ovate, coriaceous, indehiscent. Embryo large, naked, germinatinfi within tho 

 capsule. — Low evergreen trees, with extensively creeping roots, forming impen- 

 etrable thickets on the nuuldy shores of the sea. Leaves opposite, entire, smooth 

 above, hoary and velvety beneath. Flowers in dense heads, on axillary and 

 terminal peduncles. 



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 

 U>retc. Leaves 2' -3' long. Peduncles 4-angled. Heads ^' 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. Nullall. — Leaves 3' long. Corolla 

 white. 



10. PHRYMA, L. LopsEED. 



Calyx tubular, bilabiate ; the upper lip of 3 bristle-pointed teeth ; tlic lower 

 shorter, 2-cleft. Corolla bilabiate ; the upper lip notched, the lower longer, 3- 

 lobcd. Suimcns 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-pet ioled leaves, and 

 small opposite purplish flowers in a slender terminal spike. Fruit reflcxcd. 



1. P. leptOStachya, L. — Rich shaded soil, Florida to Mississippi, and 

 northward. July and Aug. — Stem l°-3° high, tumid above the joints. 

 Leaves 3' - 5' long. 



Order 94. LABIATiE. (Mint Family.) 



Herbs or shrubs, with opposite 4-angled branches, and opposite exstip- 

 ulate leaves. Flowers opposite, solitary, or ortener in close axillai-y sj)ikcd 

 or capitate cymes (whorls). Calyx 3- lOK'lefl or toolliod. Corolla more 

 or less bilabiate, 4 - 5-lobed. Stamens inserted on the tube of the corolla, 

 diandrous or didynamous. Ovary 4-cleft or 4-partcd, 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. Enihryo straight 

 or (in Scutellaria) curved. Uadicle short, inferior. — Plants connnonly 

 dotted with minute glands, which are lillcd with au aromatic volatile oil. 



Synopsis. 

 Trirr I. OCfI»IOIDK.;E. — Rtnmi'ns 4, diJynnmoun ; tho lowor pair lonfjnr, n>rllnln({ on 

 the lower lotic of the corolln. Anthcru 2-cclU'(J. Nutlct-i smooth, (Jisliiicf. 



1. OriMIJM. I'pprr lobo of the calyx brood, dccurmit Lobuti of tlie romlln nmrly rriiiiil 



2. IIVI'TI.'^. Ciil>K-tccth Dcurly equal. Lowest lubv of the corolla .luiigvst, Micoatts bent 



downwurd. 



