194 GAMOPETALOUS EXOGENS 



folded back; lower lip grooved, nearly equally 3-lobed. Stamens 

 didynamous ; anthers nearly vertical ; cells minutely pointed at base. 

 Capsule membranaceous, compressed, oblique, 1- to 4-seeded; seeds 

 cylindric-oblong. Annuals: leaves opposite; flower* axillary, in 

 terminal leafy racemes. 



1* M. pratense, L. var. Americanum, Benth. (in DC). Leaves 



lance-ovate, and lance-linear, the floral ones setaceously sinuate- 



dentate at base. 



M. Americanum. MX. $ Fl. Cestr. ed. 2. p. 373. 



MEADOW MELAMPYRTJM. Cow-wheat. 



Stem 8 to 15 inches high, sub-terete, brachiately branching, pubescent in linee. 

 Leaves 1 to 2 Inches long, smoothish ; lower ones sub-linear, obtuse, entire, those 

 above, ovate-lanceolate, mostly entire, acuminately tapering, the floral ones ovate- 

 lanceolate, whitish at base, with a few slender divaricate teeth on each side ; peti- 

 oles ^s to J^ of an inch in length. Corolla ochroleucous, with tinges of yellow and 

 purple. 

 Hob. Dry woods ; slaty hills : frequent. Fl. June. Fr. Aug. 



ORDER LXIV. VERBENACEAE. 



Herbs (or shrubs, and even trees, within the tropics) ; leaves mostly opposite, with- 

 out stipules; corolla irregular, often bilabiate ; stamens mostly didynamous ; ovary 

 free, entire, with the style terminal ; fruit dry (sometimes drupaceous), 1- to 4- 

 celled, usually splitting into as many 1-seeded nutlets; seeds with little or no albu- 

 men. An Order furnishing but few and unimportant plants, in this region. 

 though comprising many that are highly interesting to the florist ; such as the 

 showy Verbenas, the fragrant Lantanas, &c. The tree which supplies the " ever- 

 during Teak," of India(Tecfoa grandis, L.f.} so celebrated in ship-building also 

 belongs to this Order. 



. VERBENA, L. 



[The Latin name for the leaves of any sacred herb ; etymology obscure.] 

 Calyx tubular, 5-toothed, one tooth often shorter. Corolla tubu- 

 lar, often curved, salver-form, the border rather unequally 5-lobed. 

 Stamens included, the upper pair sometimes without anthers. 

 Fruit splitting into 4 nutlets. Flowers in terminal, often paniculate, 

 bracteate spikes. 



1. V. liastata, L. Leaves oblong-lanceolate, acuminate, doubly 

 incised-serrate, the lower ones often hastate-lobed ; spikes fasci- 

 cled or corymbose-paniculate, dense-flowered. 

 HASTATE VERBENA. Blue Vervain. Simpler's Joy. 



Perennial. Stem 3 to 5 feet high, roughish-pubescent, mostly purple, with 

 rather short erect axillary branches above. Leaves 3 to 5 inches long; petioles 

 half an inch to an inch in length. Spikes 1 or 2 to 5 inches long, erect, thickish, 

 purple; flowers somewhat imbricated; bracts ovate-lanceolate, acuminate, shorter 

 than the calyx; corolla bluish purple, pubescent. 

 Hab. Swampy meadows ; along streams : frequent. FL July. Fr. Octo. 



Obs. There is a variety of this, with longer, more slender and 

 spreading spikes the flowers smaller and less crowded, which oc- 

 curs along the Brandywine. 



fc. T. urticaef olia, L. Leaves limce-ovate, acute, coarsely 



