The sedge family (Cyperaceæ), the sedges.
944. Order Palmales, with one family, Palmaceæ, includes the palms, abundant in the tropics and extending into Florida. Cultivated in greenhouses.
945. Order Arales.
The arum family (Araceæ). Flowers in a fleshy spadix. Examples: Indian turnip (Arisæma), sweet-flag (Acorus), skunk-cabbage (Spathyema).
The duckweed family (Lemnaceæ). (Examples: Lemna, Spirodela, Wolffia. [See paragraphs 51-53].)
946. Order Xyridales, from the genus Xyris, the yellow-eyed grass family (Xyridaceæ). Species mostly tropical, but a few in North America. Other examples are the pipewort family (Eriocaulaceæ, example, Eriocaulon septangulare), the pineapple family (Bromeliaceæ, example, the pineapple cultivated in Florida); the Florida moss or hanging moss (Tillandsia usneoides); the spiderwort family (Commelinaceæ), including the spiderwort (Tradescantia, several species in North America); the pickerel-weed family (Pontederiaceæ), including the genus Pontederia in borders of ponds and streams.
947. Order Liliales.—Some of the families are as follows:
The rush family (Juncaceæ, example, Juncus), with many species, plants of usually swamp habit.
The lily family (Liliaceæ, examples: Lilium, Allium = Onion, Erythronium, Yucca).
The iris family (Iridaceæ, examples: Iris, the blue-flag, fleur-de-lis, etc.).