ii6 



LABIATAE. 



[Vol,. III. 



33. CUNILA L. Syst. Ed. 10, 1359. 1759. 



I'ercuuial braucliinjj herbs, or low sbrubs, with dentate or entire leaves, and rather 

 small purple or white flowers. Calyx tubular-ovoid, io-13-uerved, villous iu the throat, 

 equally 5-toothed. Corolla 2-lipped, longer than the calyx, the upper lip erect, cmarginate, 

 the lower spreading, 3-cleft. Anther-bearing stamens 2, long-exserted, straight, the poster- 

 ior pair rudimentary, or wanting; anther-sacs parallel. Ovary deeply 4-parted; style slender, 

 2-clcft at the summit. Nutlets smooth; scar of attachment basal and small. [Latin name of 

 some plant.] 



About 15 species, natives of America. The following is the only one known in North .\merica. 



1. Cunila origanoides (L. ) Britton. Stone *'i^c^^ii7_ 



Mint. Sweet Horse-Mint. American 

 Dittany. (Fig. 3167.) 



Sahireia ort^aiioides L. Sp. PI. 568. 1753. 

 Cunila Mariana L. Syst. Ed. 10, 1359. 1759. 

 Hedyosnios origanoides Kuntze, Rev. Gen. PI. 520. 1891. 

 Cunila origanoides Britton, Mem. Torr. Club, 5: 27S. 189.}. 



Stem slender, stiff, branched, glabrous, or pubes- 

 cent at the nodes, erect, 8'-2o' high, the branches as- 

 cending. Leaves ovale, sessile or very short-petioled, 

 acute at the apex, sharply serrate, rounded, truncate 

 or subcordate at the base, 'i'-iji' lougi densely punc- 

 tate; flowers nearly ^' long, numerous in terminal 

 loose cymose clusters; corolla purple-pink, one-half as 

 long as the stamens; posterior pair of stamens usually 

 rudimentary. 



In dry woods and tbickets,southern New York to Florida, 

 west to Ohio and Georgia. Plant very aromatic. Aug-Sept. 



34. LYCOPUS h. Sp. PI. 21. 1753. 

 Herbs, perennial by slender stolons or suckers, with erect or diffuse stems, petioled or 

 sessile leaves, and small white or purple flowers, bracted and verticillate in dense axillary 

 clusters. Calyx campanulate, regular or nearly so, 4-5-toothed, not bearded in the throat, 

 the teeth obtuse or acute. Corolla fnnnclform-campanulate to cylindric, equalling or longer 

 than the calyx, the limb nearly equally 4-cleft, or one of the lobes broader and emarginate. 

 Perfect stamens 2, anterior, the posterior pair rudimentary, or altogether wanting; anther- 

 sacs parallel. Ovary deeply 4-parted; style slender, 2-cleft at the summit. Nutlets truncate 

 at the summit, narrowed below, trigonous, smooth. [Greek, wolf-foot.] 



.\bout 10 species of the north temperate zone. Only the following known in North America. 

 Calyx-teeth mostly 4, ovate, shorter than the nutlets. 1. /.. Virginiciis. 



Caly.x-teeth mostly 5, lanceolate or subulate, longer than the nutlets. 

 Bracts minute ; corolla twice as long as the calyx. 

 Leaves sessile. 



Leaves narrowed into a manifest petiole. 

 Bracts lanceolate or subulate; corolla not twice as long as the calyx. 

 Leaves pinnatifid or deeply incised. 

 Leaves merely coarsely dentate or serrate (lower rarely incised). 



Leaves oblong or oblong-lanceolate, serrate. 5. L. hicidus. 



Leaves ovate, coarsely dentate. 6. /-. Europaetis. 



I. Lycopus Virginicus L. Bugle-weed. 



Bugle-wort. (Fig. 3168.) 



Lycopus I'irginiciis h. Sp. PI. 21. 1753. 



Perennial bj' long filiform leafy sometimes tuber- 

 bearing stolons, glabrous or puberuleut; stem slender, 

 erect or ascending, simple or branched, 6'-2° high. 

 Leaves oblong, lanceolate or ovate-lanceolate, acumin- 

 ate at the apex, sharply dentate, narrowed or cuneate 

 at the base, petioled, or the upper sessile, i/j'-s' long, 

 '/i'-i'/i' wide; bracts short, oblong; calyx-teeth 4, or 

 sometimes 5, ovate or ovate-lanceolate, obtuse or sub- 

 acute; corolla about i" broad, nearly twice as long as the 

 calyx, or longer; rudimentary.posterior stamens minute; 

 nutlets longer thau or about equalling the calyx. 



In wet soil, Labrador to British Columbia, south to Flor- 

 ida, Alabama, Missouri and Nebraska. Sometimes called 

 W'ood Betony. Leaves often purple. Stem usually thick- 

 ened at the base. Variable. Probably includes several 

 species. July-Sept. 



L. sessili/olius. 

 L. rubellus. 



4. L. Americanus. 



