Genus 17. 



MINT FAMILY. 



17. GALEOPSIS L. Sp. PL 579. 1753. 



Erect annual branching herbs, with broad or narrow leaves, and rather small yellow red 

 purple or mottled verticillate-clustered flowers in the upper axils, or forming terminal dense 

 or interrupted spikes. Calyx campanulate or tubular-campanulate, 5-10-nerved, 5-toothed, 

 the teeth nearly equal, spinulose. Corolla-tube narrow, the throat expanded, the limb strongly 

 2-lipped; upper lip erect, concave, entire; lower lip spreading, 3-cleft, the middle lobe obcor- 

 date or emarginate. Stamens 4, didynamous, ascending under the upper lip of the corolla, 

 the anterior pair the longer ; anthers 2-celled, the sacs transversely 2-valved, the inner valve 

 ciliate, the outer smooth, larger. Ovary deeply 4-parted ; style 2-cleft at the summit. Nut- 

 lets ovoid, slightly flattened, smooth. [Greek, weasel-like.] 



About 6 species, natives of Europe and Asia. Type species: Galeopsis Tetrahit L. 

 Plant puberulent ; leaves linear to ovate-lanceolate. 1. G. Ladanum. 



Plant hispid; leaves ovate. 2. G. Tetrahit. 



i. Galeopsis Ladanum L. Red Hemp- 

 Nettle. Ironwort. Fig. 3605. 



Galeopsis Ladanum L. Sp. PI. 579. 1753. 



Puberulent, sometimes glandular above ; stem 

 slender, erect, much branched, 6'-l8' high, the 

 branches ascending. Leaves linear, ovate-ob- 

 long, or ovate-lanceolate, mostly short-peti- 

 oled, acute at both ends, dentate, or nearly 

 entire, l'-2' long, 2"-8" wide; flower-clusters 

 mainly axillary, distant; calyx-teeth subulate- 

 lanceolate, shorter than or equalling the tube ; 

 corolla 6"-8" long, red or purple to white and 

 variegated, twice the length of the calyx. 



In waste places and on ballast, New Brunswick 

 to Michigan, New Jersey and Indiana. Adventive 

 or naturalized from Europe. Native also of Asia. 

 Dog-nettle. July-Oct. 



2. Galeopsis Tetrahit L. Hemp-Nettle. Hemp 

 Dead Nettle. Ironwort. Fig. 3606. 



Galeopsis Tetrahit L. Sp. PI. 579. 1753. 



A coarse and rough-hairy herb, the stem rather 

 stout, branched, l-3 high, swollen under the joints. 

 Leaves ovate, membranous, slender-petioled, acumi- 

 nate at the apex, rounded or narrowed at the base, 

 coarsely dentate, 2'-$' long, Y-2.V wide; flower-clus- 

 ters axillary, dense, or in a short leafy-bracted spike ; 

 calyx-teeth needle-pointed, bristly, as long as or 

 longer than the tube ; corolla 8"-l2" long, pink or 

 pale purple variegated with white, about twice the 

 length of the calyx. 



In waste places, Newfoundland to British Columbia 

 and Alaska, south to North Carolina, West Virginia and 

 Michigan. Naturalized from Europe. Native also of 

 Asia. Bee-, dog- or blind-nettle. Stinging or flowering 

 nettle. Nettle-, wild- or bastard-hemp. Simon's-weed. 

 June-Sept. 



18. LEONURUS L. Sp. PL 584. 1753. 



Tall erect herbs, with palmately cleft, parted or dentate leaves, and small white or pink 

 flowers verticillate in dense axillary clusters. Calyx tubular-campanulate, 5-nerved, nearly 

 (regular and equally 5-toothed, the teeth rigid, subulate or aristate. Tube of the corolla 

 included or slightly exserted, its limb 2-lipped; tipper lip erect, concave or nearly flat, entire; 

 lower lip spreading or deflexed, 3-lobed, the middle lobe broad, obcordate or emarginate. 

 Stamens 4, didynamous, the anterior pair the longer, ascending under the upper lip of the 

 corolla; anthers 2-celled, the sacs mostly parallel. Ovary deeply 4-parted; style 2-cleft at 

 the summit. Nutlets 3-sided, smooth. [Greek, lion's-tail.] 



About 10 species, natives of Europe and 'Asia. Type species: Leonurus Cardiaca L. 

 Lower leaves palmately 2-5-cleft, the upper 3-cleft. 1. L. Cardiaca. 



Leaves deeply 3-parted, the segments cleft and incised. 2. L. sibiricus. 



Leaves coarsely dentate or incised-dentate. 3. L. Marrubiastrum. 



