1. C. angustifòlia, Torr. Glabrous, 1--2° high; leaflets (3) and simple bracts linear to linear-lanceolate, acute; pod rhomboidal, the valves very bluntly conical; stipe shorter than the pedicel.--Kan. to Tex. and westward. ORDER 12. RESEDÀCEÆ. (MIGNONETTE FAMILY.) _Herbs, with unsymmetrical 4--7-merous small flowers, a fleshy 1-sided hypogynous disk between the petals and the (3--40) stamens, bearing the latter. Calyx not closed in the bud. Capsule 3--6-lobed, 3--6-horned, 1-celled with 3--6-parietal placentæ, opening at the top before the seeds_ (which are as in Order 11) _are full grown._--Leaves alternate, with only glands for stipules. Flowers in terminal spikes or racemes.--A small and unimportant family, of the Old World, represented by the Mignonette (_Reseda odorata_) and the Dyer's Weed. 1. RESÈDA, Tourn. MIGNONETTE. DYER'S ROCKET. Petals 4--7, cleft, unequal. Stamens 12--40, on one side of the flower. (Name from _resedo_, to calm, in allusion to supposed sedative properties.) R. LUTÈOLA, L. (DYER'S WEED or WELD.) Leaves lanceolate; calyx 4-parted; petals 4, greenish-yellow; the upper one 3--5-cleft, the two lateral 3-cleft, the lower one linear and entire; capsule depressed.--Roadsides, N. Y., etc.--Plant 2° high. Used for dyeing yellow. (Adv. from Eu.) R. LÙTEA, L. Leaves irregularly pinnately parted or bipinnatifid; sepals and petals 6, stamens 15--20.--Nantucket, Mass., and ballast-grounds. ORDER 13. CISTÀCEÆ. (ROCK-ROSE FAMILY.) _Low shrubs or herbs, with regular flowers, distinct and hypogynous mostly indefinite stamens, a persistent calyx, a 1-celled 3--5-valved capsule with as many parietal placentæ borne on the middle of the valves, and orthotropous albuminous seeds._--Sepals 5; the two external much smaller, bract-like, or sometimes wanting; the three others a little twisted in the bud. Petals 3 or 5, convolute in the opposite direction from the calyx in the bud. Anthers short, innate, on slender filaments. Style single or none. Ovules few or many, on slender stalks, with the orifice at the apex. Embryo long and slender, straightish or curved, in mealy albumen; cotyledons narrow.--Leaves simple and mostly entire, the lower usually opposite, and the upper alternate. Inert plants. 1. Helianthemum. Petals 5, crumpled in the bud, fugacious (or none). Stigma nearly sessile. Stamens and ovules numerous in the petal-bearing flowers. 2. Hudsonia. Petals 5, fugacious. Stamens 9--30. Style long and slender. Pod strictly 1-celled, 2--6-seeded. Heath-like. 3. Lechea. Petals 3, persistent. Stamens 3--12. Style none. Pod partly 3-celled, the imperfect partitions bearing broad 2-seeded placentæ. 1. HELIÁNTHEMUM, Tourn. ROCK-ROSE.