6. L. gràta, Ait. (AMERICAN WOODBINE.) Leaves smooth, glaucous beneath, obovate, the 2 or 3 upper pairs united; flowers whorled in the uppermost axils; corolla whitish with a purple tube, fading yellowish, not gibbous at base, fragrant.--Rocky woodlands, N. J. and Penn. to Mich. and Mo., and southward; also cultivated. May. [+][+] _Corolla hairy within, the tube 6´´ long or less._ 7. L. hirsùta, Eaton. (HAIRY HONEYSUCKLE.) Twining and rather high-climbing; leaves deep green above, downy-hairy beneath, as well as the branches, veiny, dull, broadly oval, the uppermost united, the lower short-petioled; flowers in approximate whorls; tube of the (orange-yellow) clammy-pubescent corolla gibbous at base, slender.--Damp copses and rocks, Maine to Penn., Mich., and Minn. July.--A coarse large-leaved species. 8. L. Sullivántii, Gray. At length _much whitened with glaucous bloom_, 3--6° high, glabrous; leaves oval and obovate-oblong (2--4´ long), sessile and mostly connate on the flowering stems, the uppermost into an orbicular disk; corolla pale yellow; _filaments nearly glabrous_. (L. flava of former edition, mainly.)--Ohio to Ill., Minn., and L. Winnipeg; also in Tenn. and N. C. 9. L. glaùca, Hill. Glabrous, or lower leaf surface sometimes puberulent, 3--5° high; leaves oblong (2--3´ long), glaucous but less whitened than in the last, the 1--4 _upper pairs connate_; corolla greenish-yellow or purplish; _tube only 3--4´´ long, within and also style and base of filaments hirsute_. (L. parviflóra, _Lam._, and part of var. Douglásii, _Gray._)--Rocky grounds, N. Eng. and Penn. to Minn., and northward. 8. DIERVÍLLA, Tourn. BUSH-HONEYSUCKLE. Calyx-tube tapering at the summit; the lobes slender, awl-shaped, persistent. Corolla funnel-form, 5-lobed, almost regular. Stamens 5. Pod ovoid-oblong, pointed, 2-celled, 2-valved, septicidal, many-seeded.--Low upright shrubs, with ovate or oblong pointed serrate leaves, and cymosely 3--several-flowered peduncles, from the upper axils or terminal. (Named in compliment to _Dr. Dierville_, who brought it from Canada to Tournefort.) 1. D. trífida, Moench. Leaves oblong-ovate, taper-pointed, petioled; peduncles mostly 3-flowered; pod long-beaked.--Rocks, Newf. to the mountains of N. C., west to Minn. June--Aug.--Flowers honey-color, not showy, as are the Japanese species cultivated under the name of WEIGELA. ORDER 52. RUBIÀCEÆ. (MADDER FAMILY.) _Shrubs or herbs, with opposite entire leaves connected by interposed stipules, or in whorls without apparent stipules, the calyx coherent with the 2--4-celled ovary, the stamens as many as the lobes of the regular corolla (4--5), and inserted on its tube._--Flowers perfect, but often dimorphous (as in Mitchella and Houstonia). Fruit various. Seeds anatropous or amphitropous. Embryo commonly pretty large, in copious hard albumen.--A very large family, the greater part, and all its most important plants (such as the Coffee and Peruvian-Bark trees), tropical.