122 DIDYNAMIA GYMNOSPERMIA. [CI. 14. 



3. T. Chamaidrys, 10. 680. (Wall G.) Leaves somewhat ovate, 

 stalked, deeply crenate, or cut. Flowers axillary, stalked, three 

 together. Stem roundish, hairy. 

 Old walls, rare. If . 7. L. tapering at the base. Fl. purp. Cal. hairy. 



285. NePETA. Cat-mint. 



1. N. cataria, 2. 137. (Common C.) Whorls stalked, crowded into 

 spikes. Leaves stalked, finely downy, heart-shaped, with tooth- 

 like serratures. 

 Chalky, or grav. banks. If . 7. Downy, aromat. Cor. white, dotted. 



286. VERBENA. Vervain. 



1. "V '. officinalis, 11. 767c (Common V.) Stamens four. Spikes 

 slender, panicled. Leaves deeply cut. Stem mostly solitary. 

 Waste gr. If . 7. L. roughish. Fl. small, light blue, incdorous. 



287. Mentha. Mint. 



1. M. sylvestris, 10. 686. (Horse M.) Spikes shaggy, scarcely in- 



terrupted. Leaves acute, with deeply toothed serratures ; chiefly 

 downy beneath. Bracteas awl-shaped. 

 Moist waste gr. If. 8, 9. 3/. hoary. Cal. hairy. FL pale purple. 



2. M. rotundifolia, 7. 446. (Round-leaved M.) Spikes interrupted, 



somewhat hairy. Leaves elliptical, obtuse, wrinkled, sharply 

 crenate, hairy beneath. Bracteas lanceolate. 

 Moist waste gr. If. 8, 9. Green, viscid; smell acrid. Stam.prom. 



3. M. viridis, 34. 2424. (Spear M.) Spikes interrupted. Leaves 



sessile, lanceolate, acute, naked. Bracteas bristle-shaped, some- 

 what hairy. Flower-stalks very smooth. 

 Marshy pi. If. 8. Deep green. Cal. narrow,smooth ; teeth often hairy. 



4. M. piperita, 10. 687. (Pepper M.) Spikes blunt, interrupted be- 



low. Leaves stalked, smoothish, somewhat ovate. Calyx very 

 smooth at the base. 

 Watery pi. If. 8, 9. Scent like camphor. Cal.-teeth darkpurp. 



5. M. citrdta, M. odorata, 15. 1025. (Bergamot M.) Spikes capitate, 



very blunt. Leaves stalked, heart-shaped, naked. Calyx and 

 flower-stalks perfectly smooth. 

 Watery pi. rare. If . 7, 8. Smooth, fragrant, reddish. 



6. M. hirsuta, 7. 447, 0. sativa, 448. (Hairy M.) Flowers capitate 



or whorled. Leaves stalked, ovate. Calyx clothed with erect 

 hairs ; flower-stalks with recurved ones. — Var. crispa. Leaves 

 plaited and crisped. M. crispa, Suppl. 2785. 

 Watery pi. If. 8, 9. Scent,as wellas the whole plant, very variable. 



7. M. acutifolia, 34. 2415. (Sharp-leaved M.) Flowers whorled. 



Leaves ovate-lanceolate, tapering at each end. Calyx hairy. 

 Hairs of the flower-stalks spreading. 

 Watery pi. rare.lf. 9. Sweet-scented. L. rather nar. on short stalks. 



8. M. rubra, 20. 1413. (Tall red M.) Flowers whorled. Leaves ovate. 



Stem upright, zigzag. Flower-stalks, and lower part of the calyx, 

 very smooth ; its teeth hairy. 



