Triglochin
(from treis, three, and glochin, a point; in reference to the three angles of the carpel). Arrow Grass. ORD. Naiadaceae. A genus consisting of about a dozen species of greenhouse or hardy, marsh-loving, erect, scape-bearing herbs, broadly dispersed over mostly temperate and frigid regions. Flowers small or rather large, spicate or shortly pedicellate and racemose, erect, ebracteate and ebracteolate; perianth segments scale-like, three, six, or rarely fewer; stamens six. Leaves elongated, flat or somewhat terete, sometimes swimming. Two species--T. maritimum and T. palustre--are British plants. T. bulbosum is the only one calling for description here. It thrives in pots of loamy soil, the bottoms of which are immersed in water. T. Barrelieri (Barrelier's). A synonym of T. bulbosum. T. bulbosum (bulbous-rooted). fl. purplish, numerous and very variable, pedicellate, disposed in a simple, elongated raceme; scape erect, smooth. October. l. semi-cylindric, linear, bilobed, complanate or scarcely channelled above, the outer ones often reduced to sheaths. Rhizome short, more or less tuberous. h. 1ft. Europe, Asia Minor, and South Africa, 1806. Greenhouse. (B. M. 1445; L. B. C. 1151.) SYN. T. Barrelieri.