348 MINT FAMILY. 



* Lrai'cs srrrale only ; producing filiform runners from the, base. 



L. Virgliiicus, Linn. Bugi^k Wkeh. Stem obtusely 4-augled, a foot 

 or two higli ; 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, Moench. Stem obtusely 4-angled ; leaves ovate or iance- 

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

 6, sharp, longer than the nutlets, i'enn., W. and S. 



* * Leaves incised or pinnatifid ; not stoloniferous. 



L. sinuatus, Ell. Stem (l°-3°) acutely 4-angled ; leaves oblong or 

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



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



C. Mariana, Linn. Maryland D. Dry hills through the Middle 

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

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

 loose cymes of purplish flowers, in summer, y. 



13. HEDEOMA. (Formed from a Greek name of a sort of Mint ; 

 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. hlspida, Piirsh. On the plains from Minn, and Dale., S. ; 2'-5' 

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

 calyx, with subulate teeth, (i) 



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



from the Hebrew.) 2f 



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

 ning wild ; smooth, tufted, simple stems or branches, 2° liigh ; leaves 

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

 minal spike, in summer. 



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



flowers summer. 



S. hortensis, Linn. Summer 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 panicled spikes at the end of the branches. Eu. 



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



dense flower ch(sters.) 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. 21 The following 

 are most common. 



» Calyx not 2-lipped, the tetth all equal or nearly so. 

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



P. arlst^tum, 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. 



