348 MINT FAMILY. 



* Leaves serrate only ; producing filiform runners from the base. 



L. Virgfnicus, Linn. Bugle Weed. Stem obtusely 4-angled, a foot 

 or two high ; leaves oblong or ovate-lanceolate, entire towards the base, 

 short-stalked and acute at both ends ; calyx-teeth 4, shorter than the 

 nutlets. Common. 



L. rub^llus, Moonc'h. Stem obtusely 4-angled ; leaves ovate or lance- 

 oblong, attenuate at both ends, .sharply serrate in the middle; calyx-teeth 

 5, sharp, longer than the nutlets. I'enn., W. and S. 



* * Leaves incised or pinnatifid ; not stoloniferous. 



L. sinu^tus. Ell. Stem (l°-3°) acutely 4-angled ; leaves oblong or 

 lanceolate and acuminate, some of the uppermost only sinuate. Common. 



12. CUNILA, DITTANY. (An old Latin name of unknown meaning.) 

 C. Mariana, Linn. Maryland T>. Dry hills through the Middle 



States ; nearly smooth, 1° high, corymbosely much brancliod, with ovate 

 or heart-shaped almost sessile serrate leaves (1' long), and peduncled, 

 loose cymes of purplish flowers, in summer. 2/ 



13. HEDEOMA. (Formed from a Greek name of a sort of ]\Iint ; 

 refers to the sweet scent.) Low and fragrant-scented, growing in dry 

 and open or sterile grounds, with small flowers in loose axillary clus- 

 ters, all summer. 



H. pulegioides, Pers. American Pennyroyal. The pungent aro- 

 matic scent and taste is like that of the English Pennyroyal or Mentha 

 Pulegium of Eu.; 5'-8' high, erect and branching, hairy, with oblong-ovate, 

 petioled leaves, few-flowered clusters, and bluish corolla scarcely exceed- 

 ing the calyx. ® 



H. hispida, Pursh. On the plains from Minn, and Dak., S. ; 2'-5' 

 high, hairy, with sessile, linear, entire, crowded leaves, and bristly-ciliate 

 calyx, with subulate teeth. ® 



14. HYSSOPUS, HYSSOP. (The ancient Greek name of the plant, 

 from the Hebrew.) 21 



H. officinalis, Linn. Cult, in gardens from the Old World, rarely run- 

 ning wild ; smooth, tufted, sinlple stems or branches, 2° high ; leaves 

 lance-linear and entire ; small clusters of blue flowers crowded in a ter- 

 minal spike, in summer. 



15. SATUREIA, SAVOEY. (The ancient Latin name.) Aromatic ; 

 flowers summer. 



S. hortensis, Linn. Si mmi:r Savory. Low and homely sweet herb of 

 the gardens, sparingly run wild W., with oblong-linear leaves tapering at 

 base, and pale or purplish small flowers clustered in their axils, or run- 

 ning into panickd spikes at the end of the branches. Eu. ® 



16. PYCNANTHEMUM, MOUNTAIN MINT or BASIL. (Greek: 

 dense flower clusters.) Several species, all aromatic-scented, l°-3° 

 high, in open, usually gravelly or sandy soil ; flowers with pale corolla 

 often purple-dotted, in late summer and autumn. H The following 

 are most common. 



* Calyx not 2-lipped, the teeth all equal or nearly so. 

 ■*- Bracts and calyx teeth awn-tipped and rigid. 

 P. aristitum, Michx. Only from N. J., S., in pine barrens ; minutely 

 soft-pubescent ; leaves lance-oblong or broadly linear, rigid, almost entire ; 

 flowers in heads, with bracts and calyx teeth as long as the corolla. 



