MINT FAMILY 203 



10. MOLDAVICA (Tourn.) Adans. Deagon's Head. l. M. parmflora. 



11. PRUNELLA L. Self-heal, Heal-all, Cahpenteb Weed. i. p. vulgaris. 



12. DRACOCEPHALUM (Tourn.) L. False Dragon-head. 1. D. NuUailii. 



13. LEONURUS L. Motherwort. l. L. Cardiaca. 



14. LAMIUM L. Dead Nettle, Henbit. 1. L. amplexicaule. 



15. STACHYS (Tourn.) L. Hedge Nettle. 



Leaves and the angles of the stem coarsely hispid. 1. S. asperrima. 



Leaves and stem softly pubescent. 



Lateral lobes of the lower corolla^Ilp large, half as broad and three-fourths as long as 



the middle one. 2. S. ampla. 



Lateral lobes of the lower corolla-lip small, scarcely half as long as the middle one 

 Stem glabrous below; leaves short-pubescent or glabrate. 3. S. Leibergii. 



Stem pubescent throughout; leaves loosely villous. 



Leaves oblong-ovate or cordate; corolla 12-15 mm. long; calyx lobes almost 

 equalling the calyx-tube. - 4. S. teucriformis. 



Leaves oblong-lanceolate; corolla 10-12 mm. long; calyx-lobes decidedly 

 shorter than the calyx-tube. 5. S. scopulorum. 



16. GALEOPSIS L. Hemp Nettle. 1. G. TetrahU. 



17. PYCNOSPHACE (Benth.) Rydb. Thistle Sage, Chia. i. P. Columbanae. 



18. SALVIA (Tourn.) L. Sage. 



Corolla 15-30 mm. long; tube exserted. 1. S. Pitcheri. 



Corolla 8-12 mm. long; tube included in the calyx. 2. S. lanceolata. 



19. AUDIBERTELLA Briq. Ball Sage. 



Leaf-blades oblong-spatulate; lower Up of the corolla much longer than the upper. 



1. A. incana. 

 Leaf-blades rounded obovate-spatulate; lower Up of the coroUa sUghtly longer than the 

 upper. 2. A. argentea. 



20. MONARDA L. Horse Mint, Wild Bergamot, Lemon Mint. 



Heads solitary at the ends of the stem and branches; stamens conspicuously exceeding 

 the acute upper Up of the coroUa. 

 Petioles and stem more or less hirsute-vUlous, the latter especially so under the nodes. 

 Leaves sparingly pilose; stem and petioles hirsute-ciUate. 1. M. comata. 



Leaves softly pubescent, especiaUy below; stem, petioles, and the veins of the 

 leaves lanate. 2. M. Ramaleyi. 



Whole plant finely strigose or puberulent. 

 Petioles seldom over 5 mm. long. 



Leaf-bladesovate-cordate;plaiitpale.moreorlesscinereous. 3. M. menthaefolia. 

 Leaf-blades lanceolate, with rounded or truncate base; plant green. 



4. M. siricta. 

 Petioles 1-3 cm. long. 5. M. mollis. 



Heads or verticiUate glomerules several in the upper axils of the leaves ; stamens scarcely 

 exceeding the emarginate or cleft upper lip of the coroUa. 6. M. pectinaia. 



21. POLIOMINTHA A. Gray. l. P. incana. 



22. HEDEOMA Pers. Mock Pennyroyal. 



Calyx-teeth about equal in length; bracts spreading or reflexed, hispid-ciliate. 



1. H. hispida. 

 Calyx-teeth of the lower Up much longer than those of the upper; bracts mostly erect, 

 cinereous-hispidulous. 

 CoroUa 10'-12 mm. long, more than half longer than the calyx. 2. H. camporum. 



Corolla 6—8 mm. long, slightly exceeding the calyx. 



Floral leaves longer than the subtended calyces; plant 1.5-4 dm. high. 



3. H. sancta 

 Floral leaves scarcely exceeding the subtended calyces; plant 1-1.5 dm. high, 

 Leaf-blades oval or eUiptic, distinctlj petioled. 4. H. thymoides 



Blades of the floral leaves oblong to linear. 5. H. oyata. 



23. CLINOPODIUM L. Basil. 1. C. vulgare. 



24. MADRONELLA Greene. False Horse-mint, Western Pennyroyal, 

 Mustang Mint. 



Bracts thin and pale, oval to orbicular; leaves usuaUy entire. 



Leaves tomentulose, especially beneath; 1. M. odoratissima. 



Leaves sparingly and minutely puberulent or glabrous. 

 Calyces and bracts 8-12 mm. long. 



Stem stout; leaves subsessUe, ovate. 2. M. sessilifolia. 



Stems slender; leaves distinctly petioled, oblong. 3. M. oblongifolia 



Calyces and bracts about 6 mm. long. 4. M. parvifolia. 



