POLYANDRIA. POLYGYNIA. Sagittaria. 689 
stalks tapering-, convex underneath, concave above, covered by the water. 
Flowers three in a whorl. Flower-scales small, oval, spear-shaped, one 
at the base of each fruit-stalk, embracing the stem. Fruit-stalks of the 
barren flowers an inch long, of the fertile flowers about half an inch, and 
stronger. Calyx one leaf with three divisions. St. Flowers white with a 
purplish tinge at the claws of the petals, but so readily falling off that it 
is difficult to carry them home for examination. 
Var. 2. Smaller. Ger. 337— J. B. iii. 790. 2—Pet. 43. 12. 
On the^Thames’ shore, opposite Lambeth palace ; and before the Earl of 
Peterborough’s house, above the horse ferry, on Westminster side. R. 
Syn. The d of Linnaeus and (3 of Haller, are surely imaginary, for the 
strap-shaped leaves will always be found both before and after flowering. 
Woodw. 
Arrow-head. (Welsh; Saethlys, saeth-ddeiliaidd. E.) Ditches and mar¬ 
gins of slow rivers. ^ P. July.* 
* There is always a bulb at the lower part of the root, growing in the solid earth, 
beneath the mud. This bulb constitutes a considerable part of the food of the Chinese, 
and upon that account they cultivate it. (The North American Indians also roast the 
roots for food. Barton. E.) Horses, goats, and swine eat the plantj cows are not fond 
of it. 
* H 2 
