| + | Lawsonia (John Lawson, who published, in 1709, an account of his travels in North Carolina; see page 1505). Lythraceae. Henna. Shrubs, grown in Florida and southern California for ornament. |
| + | Sometimes becoming arborescent, 6-25 ft., glabrous, the branches more or less spinescent: leaves opposite, lanceolate, attenuate into a petiole or a narrow base, entire, acute: flowers 4-merous, rather small, in terminal panicled cymes; calyx-tube very short or none, the lobes 4; petals 4, ovate, wrinkled, on the top of the calyx-tube; stamens usually 8, exserted, sometimes only 4 and sometimes 12; ovary 4-celled, with a long style and a capitate stigma: caps, globose, exserted beyond calyx.-One variable species as defined by Koehne (Engler's Pflanzenreich, hft. 17, 1903). |
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