210 GAMOPETALOUS EXOGENS 



denounced for their want of faith. Like its numerous predecessors, 

 of similar pretensions, the vaunted Specific had its day of importance 

 among the credulous, and then sank into the oblivion which neces- 

 sarily awaits all such preposterous claims upon the public confi- 

 dence. 



\ 2. MELITTEAE : Calyx inflated after flowering. 



303. PHYSOSTE V GIA, Smth. 



[Gr. Physa, a bladder, and Stege, a covering ; alluding to the inflated flowers.] 

 Calyx nearly equally 5-toothed, at first tubular, finally inflated- 

 campanulate. Corolla-tube much exserted, the throat inflated; 

 tipper lip nearly erect, entire; lower lip spreading, 3-lobed, the 

 middle lobe larger and emarginate. Stamens ascending under the 

 upper lip ; anthers approximated in pairs, naked, the cells parallel. 

 Smooth perennials: stem virgate; leaves sessile; flowers large, in 

 terminal, mostly crowded, leafless spikes. 



1. P. Virginiana, Smth. Leaves linear-lanceolate, and obo- 

 rate-lanceolate, serrate above the middle; bracts lance-ovate, acu- 

 minate, shorter than the calyx. 

 VIRGINIAN PHYSOSTEGIA. False Dragon-head. 



Stem 1 to 3 feet high, simple, or sparingly branched. Leaves 1 to 3 or 4 inches 

 long, tapering and entire at base, often pellucid-punctate. Flowers in dense four- 

 rowed spikes (pr sometimes rather distant, and racemose), of 2 to 6 or 8 inches in 

 length ; corolla % an inch to an inch long, pale purple, or flesh-colored, sometimes 

 variegated ; nutlets smooth. 

 Hob. Banks of Schuylkill : rare. Fl. July. Fr. Sept. 



g 3. MABKUBIEAE : Stamens included in the tube oftJie corolla. 



3O4. MARRITBIUM, L. 



[Said to be derived from the Hebrew, Marrob ; meaning a bitter juice.] 

 Calyx tubular, 5- to 10-nerved, nearly equally 5- or 10-toothed, 

 the teeth subspinose, finally spreading. Corolla-tube included; 

 upper Up erect, flattish, often bifid ; lower lip longer and spreading, 

 3-lobed. Anther-cells divergent. Hoary-tomentose perennials: 

 leaves rugose ; cymules axillary, mostly dense and many-flowered. 



1. M. vulgare, L. Stems ascenling; leaves roundish-ovate, crenate- 

 dentate, petiolate ; calyx with 10 subulate recurved teeth. 

 COMMON MABRUBIUM. Common Hoar-hound. 



Stem 9 to 18 inches high, cespitose, or branching from the base. Leaves about 2 

 inches long; petioles % an inch to an inch in length. Cymtdes distant, sessile; 

 bracts linear, as long as the calyx, with a smooth subulate recurved point. 

 Corolla white, small. 

 Hob. Stony banks. Nat. of Europe. Fl. July. Fr. Sept. 



Obs. This has been introduced as a medicinal Herb, and is par- 

 tially naturalized, about many old settlements. It is a valuable 

 tonic; and is much employed in the preparation of medicated 

 syrups and candies. 



4. LAMIEA.E : Stamens exserted from the tube of the corolla. 

 t Nutlets obtuse, not truncate at apex* 



