Oedkb 89.— LABIAT-ffl. 65^ 



slender and emooth in aspect than the preceding, yet technically scarcely different 

 It is green rather than hoary, about 2f high, simple. Lvs. 2 to 3' by 6 to 9". 

 Cal. smoothish, the teeth usually purple, equaling the tube of the purple spotted 

 corolla. Jl., Aug. 



5 S. Nuttalliana Shuttlew. St. stout, erects often branched, hispid with bristly, 

 spreading hairs; Iw. elliptical-ovate, aoummate, crenate-serrate, sparsely hispid, 

 narmoed to a cordate base, petiolate ; cal. pubescent, teeOi triangular, very acute, 

 thorter than the tvbe of the corolla or calyx. — % Ohio to Tenn., along shaded banks. 

 Plant light green, 3 to 5f high, with large leaves. St. vnth grooved sides and 

 hispid angles. Lvs. 4 to 9' by 18" to 40". Terticils remote. Cor. light red, 

 with purple stripes and dots, the tube much exsertod. JL, Aug. (S. sylvatica 

 Nutt.) ^ 



6 S. anr^nsia L. Annual; st. decumient, hairy; lvs. ovate, cordate, petiolate, 

 obtuse, crenate, the highest shorter than the lanceolate, acute teeth of the hispid 

 calyx; cor. txibe incb^ded, lips short.— In waste grounds near Boston, &c. Plant 

 slender, 3' to If long, with long, spreading hairs. Lvs. 1' or less. Cor. pubes- 

 cent. § Eur. 



39. LEONU'RUS, L. Mother-wort. (Gr. At'cov, a Hon, ovpd, tail; 

 from tlio appearance of the spikes of flowers.) Calyx 5 to 10-striate, 5- 

 tootlied, teeth subspinescent ; upper lip of the corolla entire, hairy, con- 

 cave, erect, lower lip 3-lobed, the middle lobe obcordate ; stamens 4, 

 ascending beneath the upper lip. Mostly 2|. 



1 li. CardJaca L. Lvs. palmate-lahed, uppermost lanceolate, often trifid, all of 

 them toothed, cuneiform at base ; cor. longer than the calyx, the tube with a 

 hairy ring within. — Tartary, whence it was first introduced into Europe and thence 

 lo America, over following the footsteps of civilized man. Common in waste 

 places. Stem 3 — 5f high, downy, square, largo, purplish, bearing its opposite, 

 stalked, rough leaves arranged in 4 vertical rows. Fls. in many whorls. Calyx 

 rigid and bristly. Cor. purplish, hairy without, variegated within. July. — ^It has 

 reputation as an ingredient in herb drinks for colds, coughs, &c. § 



2 L. marrabi^strum L. Lvs. obkmg-ovate, incisely and coarsely serrate, the floral 

 lanceolate, tapering at eacli end, incisely dentate ; cor. shorter than the calyx 

 teeth, tube naked within, upper lip somewhat vaulted, pubescent. — Penn., Ind., 

 rara A plant of vigorous growth, 2 — 4f high, with opposite, ascending branches. 

 Leaves 2 — 3' in length, the lowest on long petioles. Terticils many-flowered, 

 remote but numerous, forming an interrupted, leafy spike. Corolla reddish white. 

 July, Aug. § Eur. 



40. MARRU'BIUM, L. Hoarhodnd. Calyx tubular, 5—10 striate, 

 with 6 or 10 subequal teeth; cor. bilabiate, upper lip erect, flattish or 

 concave, entire or bifid, lower lip spreading, 3-lobed, middle lobe broad- 

 cat, emarginate, tube included; sta. included in the tube. — li. 



M. vnlgare Ij. St. ascending, hoary pubescent; lvs. roundish, ovate, crenate- 

 dentate, downy canescent beneath ; cal. of 1 setaceous, uncinate teeth. — Fields 

 and roadsides. St. 1 to 2f high, branching at base, or several from the same root. 

 Lvs. petiolate, 1 to 2' diam., whitish and rough veined above, very woolly be- 

 neath, rounded and toothed. Els. white, in sessUe, axillary, dense, hairy verticils. 

 Cal. woolly, the teeth spreading and alternately shorter. JL, Aug. § Eur. Well 

 known as an ingredient in cough candy. 



41. LEU'CAS, L. (Gr. Aev«6f, -white; the usual color of the densely 

 woolly flowers.) Calyx tubular, 8 to 10-toothcd, subequal; corolla 

 tube included, upper lip concave, erect, entire, very hairy without, the 

 lower longer, spreading, trifid, middle lobe the largest; stamens be- 

 neath the galea ; filaments not appendaged, achenia S-angled. — Fla, in 

 axillary verticils. 



