The pea family (Papilionaceæ), including the pea, bean, clover, vetch, lupine, etc., a very large family.
966. Order Geraniales.—Herbs, shrubs, or trees. Nine families in the eastern United States. Examples:
The geranium family (Geraniaceæ), with the cranesbill (Geranium maculatum) and others.
The wood-sorrel family (Oxalidaceæ), with the wood-sorrel (Oxalis acetosella) and others.
The flax family (Linaceæ). Example, flax (Linum vulgaris).
The spurge family (Euphorbiaceæ). Plants with a milky juice, and curious, degenerate flowers. Examples: the castor-oil plant (Ricinus), the spurges (many species of Euphorbia).
967. Order Sapindales.—Mostly trees or shrubs. Twelve families in the eastern United States. Example:
The sumac family (Anacardiaceæ), containing the sumacs in the genus Rhus. Examples: the poison-ivy (R. radicans), a climbing vine, in thickets and along fences, in eastern United States. Sometimes trained over porches. The poison-oak (R. toxicodendron), a low shrub. Poison-sumac or poison-alder (R. vernix = R. venenata), sometimes called “thunderwood,” or dogwood, is a large shrub or small tree, very poisonous. The smoke-tree (Cotinus cotinoides) belongs to the same family, and is often planted as an ornamental tree. The maple family (Aceraceæ), including the maples (Acer).
The buckeye family (Hippocastanaceæ), including the horse-chestnut (Æsculus hippocastanum), much planted as a shade tree along streets. Also there are several species of buckeye in the same genus.
The jewelweed family (Balsaminaceæ), including the touch-me-not (Impatiens biflora and aurea) in moist places. The garden balsam (Imp. balsamea) also belongs here.