1. K. Virgínica, Gray. Roughish-hairy perennial (2--4° high); leaves halberd-shaped and heart-shaped, the lower 3-lobed; corolla 2´ wide, rose-color; column slender.--Marshes on the coast, N. Y. and southward. Aug. 11. HIBÍSCUS, L. ROSE-MALLOW. Calyx involucellate at the base by a row of numerous bractlets, 5-cleft. Column of stamens long, bearing anthers for much of its length. Styles united, stigmas 5, capitate. Fruit a 5-celled loculicidal pod. Seeds several or many in each cell.--Herbs or shrubs, usually with large and showy flowers. (An old Greek and Latin name of unknown meaning.) [*] _Indigenous tall perennials (4--8° high), flowering late in summer._ 1. H. Moscheùtos, L. (SWAMP ROSE-MALLOW.) _Leaves ovate_, pointed, toothed, the lower 3-lobed, the uppermost oblong-lanceolate, all whitened underneath with a fine soft down, glabrous or slightly downy above; the 1-flowered peduncles sometimes united at the base with the petioles; bractlets not hairy; _calyx not inflated; pod and seeds smooth_ or nearly so.--Brackish marshes along the coast, from E. Mass. southward, and lake shores and swamps westward to Ill. and Mo., especially within the influence of salt springs.--Corolla 5--6´ in diameter, light rose-color or white, with or without a crimson eye. 2. H. lasiocárpus, Cav. Leaves soft-downy both sides, the lower broadly ovate and heart-shaped; bractlets ciliate; pod hirsute;--otherwise resembling the last. (H. grandiflorus, _Michx._)--Ind. to Mo., and southward. 3. H. militàris, Cav. (HALBERD-LEAVED R.) _Smooth throughout_; lower leaves ovate-heart-shaped, toothed, 3-lobed; _upper leaves halberd-form_, the short lateral lobes spreading at the base, the middle one prolonged and taper-pointed; peduncles slender; _fruiting calyx inflated; seeds hairy_.--River-banks, Penn. to Minn., and southward.--Corolla 2--3´ long, flesh-color with purple base. [*][*] _Escaped from gardens or grounds._ H. TRIÒNUM, L. (BLADDER KETMIA.) A low, rather _hairy annual_; upper leaves 3-parted, with lanceolate divisions, the middle one much the longest; fruiting _calyx inflated, membranaceous, 5-winged_; corolla sulphur-yellow with a blackish eye, ephemeral; hence the name _flower-of-an-hour_. (Adv. from Eu.) H. SYRÌACUS, L. (SHRUBBY ALTHÆA of gardeners.) _Tall shrub_, smooth; leaves wedge-ovate, pointed, cut-toothed or lobed; corolla usually rose-color.--Escaped rarely from cultivation, Penn., etc. Sept. (Adv. from Eu.) ORDER 21. TILIÀCEÆ. (LINDEN FAMILY.) _Trees (rarely herbs), with the mucilaginous properties, fibrous bark, valvate calyx, etc., of the_ Mallow Family; _but the sepals deciduous, petals imbricated in the bud, the stamens usually polyadelphous, and the anthers 2-celled._ Represented in Northern regions only by the genus, 1. TÍLIA, Tourn. LINDEN. BASSWOOD.