LAMIACEAE. 
295 
Calyx 2-lipped; both lips entire; stamens 4. 3. Scutellaria. 
Calyx either 2-lipped and at least one of the lips toothed, or regularly 4-5 
toothed. 
Stamens included in the corolla-tube. 4. Marrubium. 
Stamens exserted. 
Upper lip of the corolla concave. 
Anther-bearing stamens 4. 
Upper stamens longer than the lower. 
Calyx 5-toothed. 
Anther-sacs parallel or nearly so; stamens divergent. 
5. Agastache. 
Anther-cells divaricate ; anther approximate in pairs. 
Calyx regularly 5-toothed; plants erect. 6. Nepeta. 
Calyx irregularly 5-toothed; plant trailing. 
7. Glecoma. 
Calyx distinctly 2-lipped. 8. Dracocephalum. 
Upper stamens shorter than the lower. 
Calyx distinctly 2-lipped, closed in fruit. 9. Prunella. 
Calyx 5-toothed, not 2-lipped, open in fruit. 
Calyx membranous, inflated in fruit, faintly nerved. 
10. Physostegia. 
Calyx not membranous, not inflated in fruit, strongly 5-10- 
nerved. 
Nutlets 3-sided, truncate above. 11. Leonurus. 
Nutlets ovoid, nearly terete, rounded above. 
12. Stachys. 
Anther-bearing stamens 2. 
Connective of the anthers very long, articulated to the filaments, 
bearing a perfect anther at the ascending end and a reduced one 
or none at the other; calyx 2-lipped. 13. Salvia. 
Connective of the anther short; anther-cells confluent; calyx equally 
5-toothed. 14. Monarda. 
Upper lip of the corolla flat. 
Stamens curved, often converging. 
Calyx regularly 5-toothed; anther-bearing stamens 2. 
15. P OLIOMINTHA. 
Calyx 2-lipped or irregularly 5-toothed. 
Anther-bearing stamens 2. 
Anther-bearing stamens 4. 
Stamens straight, distant and diverging; 
toothed; anther-bearing stamens 4. 
Corolla nearly regular, 4-5-toothed. 
Anther-bearing stamens 2. 
Anther-bearing stamens 4. 
16. Hedeoma. 
17. Clinopodium. 
calyx almost regularly 5- 
18. Madronella. 
19. Lycopus. 
\ 
20. Mentha. 
1. TEUCRIUM L. Germander. 
1. Teucrium occidentale A. Gray. In thickets and among bushes in rich 
soil from Ont. and B. C. to Pa., Colo, and Calif.—Alt. 4000-6000 ft.—New 
Windsor, Weld Co.; Canon City; Ft. Collins; Rocky Ford; Boulder. 
2. MELOSMON Raf. 
7 . : > 
i. Melosmon laciniatum (Torr.) Small. (Teucrium laciniatum Torn) 
On plains from Kans. and Colo, to Tex. and Ariz.—St. Charles River, 
Pueblo Co.; Walsenburg; Apishapa Creek, Otero Co.; Canon City; Trini¬ 
dad ; Cedar Hills. • '.) 
