| + | Hydrocotyle (Greek, water and cup; the plants thrive in moist places, and the roundish leaves have a cup-like depression in the middle). Umbelliferae. Water Pennywort. Slender creeping perennials of wet places, one of which is somewhat used in carpet- bedding. |
| + | Herbs, with round or reniform often peltate lvs., and scale-like stipules at the base of the petioles: fls. very small, white, in umbels or umbel-like clusters opposite the lvs., sometimes 1 umbel appearing above another; calyx-teeth minute; petals entire, concave: fr. strongly compressed.—Species about 75, widely distributed around the world, several being native in the U. S. and Canada. |