LABIATE. (mint FAMILY.) 811 



Tribe II. SATITREIE^. — Stamens 2 or 4. straight anJ ppreadin;;, or connivcnt under 

 the upper lip j the up|)er pair shorter, or abortive. Anthera 2-celleJ. Nutluts Bmooth, 

 (iistiuet. 



a Corolla-lobes nearly equal. Stamens distant. 



S. MKNTIIA. Fertile stamens 4. ^Vhorl3 spiked. Nutlets obtuse. 

 4. LYC'Ol'US. Fertile stamens 2. Whorls axillary. Nutlets truncate. 



» • Corolla 2-lippcd. Stamens straight, distant, spreading. 



5 CUNILA. Stamens 2. Calyx equally 5 toothed, hairy in the throat. 



6 PYl'NANTIIKMUM. Stamens 4. Calyx 2 Hpped or 5 toothed, naked in the throat. 



7. COLUXSOXIA. Stamens 2 or 4. Calyx 2-lipped, the upper lip truncate, 3-toothed. Co- 



rolla fimbriate 



• • • Corolla 2-lipped. Stamens ascending and spreading aboTC, or connivcnt under the 



upper lip. 

 *■ Fertile stamens 2 , the two sterile ones small. 



8. HEDEOMA. Calyx 13-ncrved, 2 lipped ; the lower Up hispid. 



4- *• Fertile stamens 4. Calyx 13-nerTed. 



9. MICROMERIA. Calyx-teeth nearly equal. Flowers solitary. Low herb;?. 



10. CAL.\MINTnA. Calyx 2-lipped. Flowers in cymes. Anthers awnless. Chiefly shrubs. 



11. DrCERANDRA. Calyx 2-lipped. Anther-cells awned Branching annuals. 



12. MELISSA. Calyx tubular-bell-shapeU, flattened on the upper side. Tube of the corolla 



curved upward. 



Tribe III. MONARDE.^. — Stamens 2, ascending and parallel. Anthers 1-celled, or 

 with 2 confluent cells. Calyx and corolla 2-lippcd. Nutlets smooth, distinct. 



13. SALVI \. Connective of the anther elongated, oblique ; the upper cell fertile ; the lower 



abortive or wanting. 



14. MOXARPA. Anther 2-celled, the cells confluent. Calyx-teeth equal. 



15. BLEPIIILIA. Anther 2-celled, the cells confluent. Calyx 2-lipped ; the upper teeth awned. 

 Tribe IV. NEPETE.1E. — Stamens 4, the upper pair longer Nutlets smooth, distinct. 



16- LOPII.ANTnUS. Upper stamens curving downward ; the lower asceadiug. Anther-cells 



parallel. 

 1". NEPETA. Stamens all a.«cending. Anther-cells diverging. 

 18. CEDRONELLA. Stamen.s all ascending. Anther-cells parallel. 

 Trtoe V. STACHYDE.^. — Stamens 4; the lower pair longer, parallel, ascending. 



Upper lip of the corolla concave or keeled. Calyx 3 - 10-toothed or lobed. Nutlets 



smooth, distinct. 



♦ Calyx 2-lipped, closed in fruit. 

 If.. BKUXELLA. Lips of the calyx toothed. Flowers 3 in a cluster, spiked. 



20. SCUTELLARIA. Lips of the calyx entire; the upper one appendaged. Flowers single, 



opposite. 



» » Calyx not 2-lippcd ; the teeth or lobes spineless. 



21. MACBRIDEA. Calyx 3-lobed. Flowers Capitate, in crowded 4-flowered whorJs. 



22. PIIYSOSTEGTA. Calyx 5-toothed. Flowers opposite, spiked. Nutlets 3 angled. 



23. LAMIUM. Calyx 5-toothed. Flowers in axillary cymes. Nutlets truncated. 



• « » Calyx not 2-lipped ; the teeth rigid or spiny. 



24. MARRUBTUM. Calyx-teeth 10, nearly equal. Stamens included. Herbs woolly. 



25. LEONOTIS. Calyx-teeth 8 -10. very unequal. Stamens exserted. Whorls globose. 



26. LEOXURUS. Calyx-teeth 5. Nutlets obtuse, not truncate. Leaves inci.sely lobed. 



27. STACIIYS. Calyx-teeth 5. Nutlets truncate, sharp-angled. Leaves undivided. 



Tribe VI. AJUGE/E. — Stamens 4, ascending, parallel, exserted. Nutlets reticulated 

 and pitted, their bases partially united within. 



« Stamens barely exserted, nearly equal. 

 2S. ISANTHUS. Lobes of the corolla and calyx nearly equal. Peduncles 1 - S-flowered. 



