Awl Leaf Arrowhead

Sagittaria lorata (Chapm.) Small
Sagittaria natans Michx. Fl. Bor. Am. 2 : 190. 1803. Not 5. natans Pall. 1776. Sagittaria natans lorata Chapm. Fl. S. U. S. 449. 1860.
? Sagittaria natdns (?) gracillima S. Wats, in A. Gray, Man. ed. 6. 556. 1890. ? Sagittaria subulata gracillima J. G. Smith, Mem. Torrey Club 5 : 26. 1894.
Plants mostly submerged, sometimes greatly elongate ; leaves with bladeless petioles or blades when present floating, elliptic, oblong or ovate-oblong, 1.5-5 cm. long, rounded, subcordate, or hastate-truncate at the base ; phyllodia flattened, strap-like ; scape elongating to the surface of the water or rising above it, 1-10 dm. long or more ; whorls of the inflorescence one or several ; bracts thin, acuminate; sepals becoming 3^4.5 mm. long; corolla fully 2 cm. wide; fruit-heads 8-10 mm. in diameter; achenes rather numerous, 2-2.5 mm. long, with 5-7 prominently dentate or crenate crests, the beak erect or decidedly curved upward.
Type locality : Carolina.
Distribution : New Jersey and South Carolina to Florida ; also in Massachusetts, Rhode Island, Connecticut, and New Jersey, as far as the form described as 5. natans gracillima is concerned.

Sagittaria subulata (I,.) Buch. Abh. Nat. Ver
Bremen 2 : 490. 1871.
Alisma subulatum L>. Sp. PI. 343. 1753.
Sagittaria pusilla Nutt. Gen, 2 : 213. 1818.
Echinodorus subulatus Bngelm. in A. Gray, Man. 460. 1848.
Sagittaria natans lorata A. Gray, Man. .ed. 5. 494. 1867.
Plants 2-16 cm. tall, usually em-ersed ; leaves usually represented by rigid phyllodia 2-12 cm. long; the blades when present linear to linear-lanceolate, 2-3 cm. long, acutish, shorter than the petioles ; scapes shorter than the leaves or sometimes longer, the whorls of the raceme solitary or often 2 or rarely 3 ; bracts thin, 1-5 mm. long ; pedicels of pistillate heads 10-20 mm. long ; sepals ovate-lanceolate, obtuse, becoming 2-3 mm. long ; corollas about 15 cm. broad; fruit-heads 6-7 mm. in diameter; achenes few, 1.5 to nearly 2 mm. long, with 3 prominent but merely undulate or sparingly toothed crests, the beak lateral, ascending.
Type locality : Virginia.
Distribution : Connecticut and New York to Florida and Alabama.