10b. Calyx campanulate, 2 of its teeth different in size from the other 3 (4-8 dm. high; flowers pink-purple, in terminal clusters in summer) --14. 11a. Corolla scarlet =Oswego Tea, Monarda didyma.= 11b. Corolla bright crimson or rose-red =Wild Bergamot, Monarda fistulosa var. rubra.= 11c. Corolla white, pink, pale-purple, or yellowish --12. 12a. Flower-clusters all terminal --13. 12b. Flower-clusters both terminal and axillary =Horse Mint, Monarda punctata.= 13a. Leaves and stem with soft spreading pubescence =Wild Bergamot, Monarda fistulosa.= 13b. Leaves and stem grayish with fine appressed pubescence =Wild Bergamot, Monarda mollis.= 14a. Upper calyx-teeth about 3 times as long as the lower =Blephilia, Blephilia hirsuta.= 14b. Upper calyx-teeth but little longer than the lower =Blephilia, Blephilia ciliata.= 15a. Calyx with a distinct protuberance on the back of the upper side (Skullcap) --16. 15b. Calyx without a distinct protuberance --20. 16a. Corolla 5-8 mm. long; flowers in axillary racemes (3-8 dm. high; flowers blue, in summer) =Mad-dog Skullcap, Scutellaria lateriflora.= 16b. Corolla 6-10 mm. long; flowers axillary, solitary (1-3 dm. high; flowers violet, early summer) =Skullcap, Scutellaria parvula.= 16c. Corolla 12-30 mm. long; flowers axillary or in terminal racemes (4-8 dm. high; flowers blue, summer) --17. 17a. Stem-leaves cordate =Skullcap, Scutellaria versicolor.= 17b. Stem-leaves not distinctly cordate --18. 18a. Stem-leaves sessile or nearly so; plant of swamps and river-banks =Skullcap, Scutellaria galericulata.= 18b. Stem-leaves with petioles 1 cm. or more long; plants of dry or moist woods --19. 19a. Stem glandular-pubescent toward the summit; corolla 16 mm. long or less =Skullcap, Scutellaria pilosa.= 19b. Stem not glandular; corolla 20 mm. long =Skullcap, Scutellaria incana.= 20a. Calyx-teeth 5, all equal or nearly so at the time of flowering --28. 20b. Calyx-teeth 5, one of them different in size and shape from the other four (2-6 dm. high; flowers light blue, summer) =Dragon Head, Dracocephalum parviflorum.= 20c. Calyx-teeth 5, two of them different in size and shape from the other three --21.