no 



LABIATAE. 



[Vol.. II. 



6. Clinopodium glabellum (Michx.) Kuntze. Slender Calamint or Bed's- 



foot. (Fig. 31 5 1.) 



Cunila glabella Michx. Fl. Bor. Am. 1: 13. 1803. 

 Calaminlha glabella Benth. in DC. Prodr. 12: 



230. 1848. 

 Clinopodium glabellum Kuntze, Rev. Gen. PI. 



515- 1891. 



Perennial, stoloniferous, glabrous; stems 

 weak, spreading or decumbent, at length 

 freely branched, elongated, slender, S'-2° 

 long. Leaves membranous, oblong, short- 

 petioled, obtuse or the uppermost subacute 

 at the apex, narrowed to a cuneate base, dis- 

 tinctly serrate with low teeth, i'-2' long, 

 2"-9i" wide, the lowest and those of the 

 stolons sometimes proportionately broader 

 and shorter; axils 2-5-flowered; pedicels fili- 

 form, commonly twice as long as the calyx; 

 bracts minute; calyx not gibbous, its throat 

 pubescent in a ring within, its teeth nearly 

 equal; corolla purplish, 6"--" long. 



On river banks. Kentucky and Tennessee. 

 Rare and local. JIay-July. 



29. HYSSOPUS L. Sp. PI. 569- 1753- 

 A perennial erect herb, the stem somewhat woody at the base, with narrow, entire leaves, 

 and small bracted purple or blue flowers, in dense clusters in the upper axils, and forming 

 elongated terminal more or less interrupted spikes. Calyx tubular, 15-nerved, about equally 

 5-toothed, not hairy in the tliroat. Corolla-limb 2-lipped, the upper lip erect, emarginatc, 

 the lower .spreading, 3-cIeft. Stamens 4, didynamous, the 2 longer ones exserled, divergent; 

 anthers 2-celled, the sacs divaricate. Ovary deeply 4-parted; style 2-cleft at the summit. 

 Nutlets ovoid, somewhat 3-sided, nearly 

 smooth. [Greek, an aromatic herb.] 

 A monotypic genus of Europe and Asia. 



I. Hyssopus officinalis 'L,. H3'ssop. 



(Fig. 3152.) 

 Hyssopus officinalis L. Sp. PI. 569. 1753. 



Stems usually several together from the 

 woody base, slender, strict, puberulent, simple 

 or branched, i°-3° high, the branches upright 

 or ascending. Leaves linear to oblong, sessile 

 or ver\' nearly so, firm, acute at both ends or 

 the lower obtuse at the apex, puberulent or 

 glabrate, faintly veined, i^;'-2' long, i"-y 

 wide, sometimes with smaller ones or short 

 leafy branches in their axils; spike sometimes 

 i-sided, dense, '/i'-i' broad; pedicels short, 

 puberulent; outer bracts as long as the calyx; 

 calyx-teeth, lanceolate, acute, one-fourth to 

 one-third as long as the tube; corolla 4"-5" 

 long, its tube exceeding the calyx. 



Along roadsides and in waste places, Ontario 

 and Maine to North Carolina, and on the Pacific 

 Coast. Naturalized from Kurope. June-Sept. 



30. ORIGANUM L. Sp. PI. 588. 1753. 



Perennial branching herbs, some species shrubby, with rather small crenatc-dentate or 

 entire leaves, and small bracted pink or purple flowers, in dense terminal glomerules. Calyx 

 ovoid or campanulate, villous in the throat, about 13-nerved, 5-toothed or more or less 

 2-lipped. Corolla-limb 2-lippcd, the upper lip erect, cmarginate or 2-lobed, the lower longer, 

 spreading, 3-cleft. Stamens 4, didynamous, ascending; anthers 2-cellcd, the sacs divergent. 

 Style 2-cleft at the summit; ovary deeply 4-parted. Nutlets ovoid or oblong, smooth. 

 [Greek, mountain-joy.] 



About 30 species, natives of the Old World. 



