•MO LAUIAT.E. (mint KAMII.V.) 



ovate, roiiaccoiis, iiukliiscont. Eiiiliryo Inif^o, naked, pcrniinatinf; witliin the 

 capsule. — Low eviT;j;iven trees, witli e.\t<'iisivfly creeping roots, forming impen- 

 etrable thickets on the innddy shores of tiie sea. Leaves op|)Osite, entire, smooth 

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

 terminal peduncles. 



1. A. oblongifolia, Nutt ? Tomentose tlirongliout, except tlic upper 

 surface of the rigid oblong ol)tu^e short-petioled leaves ; peduncles three together, 

 terminal, shorter than the leaves ; heads oval ; sejjals and bracts orbicular ; co- 

 rolla tomentose on both sides ; style exserted. — Key West. Oct. — Branches 

 terete. Leaves 2' -3' long. Peduncles 4-angled. Heads |' long. Corolla 

 3" long. 



2. A. tomeutosa, Jacq. Leaves otovate-elliptical, very obtuse, tapering 

 into a petiole, smooth above, whitc-tomentose beneath ; sjjikes short, the lower 

 flowers mostly scattered ; eorolla-lobes truncate, silky below, smooth above ; 

 stigma nearly sessile. — South Florida. Nutlall. — Leaves 3' long. Corolla 

 white. 



10. PHRYMA, L. LopsEED. 



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

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

 lobed. Stamens 4, didyuamous, included. Style slender . stigma 2-cleft. Fmit 

 oblong, pointed by the persistent style. — A perennial brandling pubescent 

 herb, with opposite ovate or oblong coarsely-serrate long-petiolcd leaves, and 

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



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

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

 Leaves 3' - 5' lon^. 



Order 94. LABIATiE. (Mint Family.) 



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 - lO-deft 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 ba.se of the single style. Ovule solitar} , erect, anatro])ous. Fruit 

 of 1-4 one-seeded nutlets. Albumen scarce or none. Embryo straight 

 or (in Scutellaria) curved. Radicle short, inferior. — Plants commonly 

 dotted with minute glands, which are filled with an aromatic volatile oil. 



Synopsis. 



Tribe I. OCIMOIDE.^. — Stamens 4, didynamous ; the lower pair longer, reclining on 

 the lower lobe of the corolla. Anthers 2-celled. Nutlets smooth, distinct. 



1. OCIMUM. Upper lote of the calyx broad, decurrent Lobe.'* of the corolla nearly equal 



2. UVPTIS. Calyx-teeth nearly equal. Lowest lobe of the corolla longest, saccate, bent 



downward. 



