XClll. LABlATiE. «3 



2. LIPPIA. 



In honor of Augustus Lippi, a French physician. 



Flowers in dense, pedunculate heads ; calyx 2-parted, compressed) 

 erect, membranaceous, shorter than the tube of the corolla ; cor- 

 funnel-shaped, limb subbilabiate, upper lip entire or emarginatej 

 lower 3-lobed ; sta. 4, didynamous, included ; drupe dry, thin, en- 

 closed in the calyx, 2-seeded. — Shrubs or prostrate herbsj with opposite 

 leaves. Heads on axillary peduncles. 



L. NODiFLORA, Michx. (Zapania nodiflora. Ph. and authors.) Fog-fruit. 



Glabrous, procumbent; si. 4-angled, geniculate, simple; Ivs. lanceolate or 

 linear-lanceolate, acute, serrate, cuneate at base, petiolate, shorter than the pe- 

 duncles. — 1\. On river banks, Penn. to la. ! 111. and La. Stems If or more long. 

 Leaves with conspicuous veins, 1 — 2' long, \ — ^ as wide, petioles 3 — 6". Pe- 

 duncles 2 — 3'. Heads ovoid or roundish. Flowers small, purplish- white, 

 July, Aug. 

 (i. lanceolata. (Lippia lanceolata, Mz.) Lvs. linear-lanceolate. 



3. PHRYMA. 

 Calyx cylindric, bilabiate, upper lip longer, 3-cleft, lower lip 2- 

 toothed ; corolla bilabiate, upper lip emarginate, much smaller than 

 the 3-lobed lower one ; seed solitary. — Herbs ivith opposite lvs. Fls. 

 opposite., spicate, dejlexed in fruit. 



P. LEPTOSTACHYA. (Priva. Lindl.) Slender-spiked Phryraa or Lopseed. 

 Lvs. stalked, ovate, serrate ; spikes long and slender ; cat in fruit reflexed. 

 — n\. Found in rocky woods. Can. and U. S. Stem 2 — 3f high. Leaves large, 

 (3 — 6' long), thin and coarsely toothed, on short stalks. Flowers small, oppo- 

 'iite, light-purple, in very long and slender spikes, of which one is terminal, 

 the rest opposite and axillary, each often with a pair of bracts below. After 

 dowering the calyx closes upon the fruit and becomes reflexed backwards close 

 to the stem. Plence the common name lopseed. The specific name refers to 

 the slender spikes. Seeds solitary, rather large, invested with a thin, membra- 

 nous capsule, and enclosed in the matured calyx. July. 



Order XCIII. LABIATE.— Labiate Plants. 



Herh$ or undershrubs with 4-cornered stems and opposite branches. 



Lvs. opposite, without stipules, rei)lete with rcrcptarles of aromatic oil. 



F/s. in .ixillary. subsessile vertirill!i.ster.-<, Hometimes as ii" in whoils, spikes or heads. 



Color almost always of the cyanic scries, bine, nun^le, red, white, &c. 



Col. tubular, regularly 5-toothed or cleft, or bilabiate, persistent. [3-cIeft one. 



Cot. bilabiate (rarely regular, 5-toothed), the upper lip bifid or entire, overlapping? in aestivation the lower 



Sta. 4, didynamous, or .sometimes only 2, the upper pair being abortive or wanting, situated on the c<jrolla 



tube. Anth. mostly 2 celled. 

 Ova. free, deeply 4-lobed, the single style arising from the base of the lobes. 

 Fr. 1—4 hard nuts or actienia. 

 Sd^. erect, with little or no albumen. Embryo erect. Cotyledons flat. 



Genera 125, species '2350, chiefly natives of temperate regions, being most abundant between latitudes 

 40" and 50° of the northern hemisphere. 



Properties.— Thu well known family is universally pennded by an aromatic, volatile oil, and a bitter 

 principle; the former riMiderinp them eminently tonic, cordial nnd .ttomachic; the latter, where it pre- 

 vails, febrifuual. The pfnmnnyal, lavendrr, sane, fioar/winid, thyme, tpeannifit. peppermint, horsa- 

 mint, rosemary, ^c , (J-c, planU) whose qiialiLies are too well known to rcfpiirc particular mention hero. 

 are all mcmben of this useful tiimily. Not one species ia poisonous or even suspicious. 



