78 ENGLISH BOTANY. 
GENUS IL-NUPHAR. Sm. 
Sepals 5 or 6, concave, coriaceous, hypogynous. Petals numerous, 
much smaller than the sepals, in 2 whorls, inserted with the stamens 
beneath the ovary, to which they do not adhere. Filaments all 
strap-shaped, with introrse anthers. Carpels numerous, arranged in 
a ring, and combined so as to form a superior compound ovary, with 
as many cells as there are carpels. Stigmas linear, radiating, adnate 
to a peltate disk which terminates the ovary, and is formed by the 
styles cohering by their edges. Fruit sub-globose, leathery, smooth. 
SPECIES I—NUPHAR LUTEA. Sm. 
Puates LIV. LV. 
Reich. Ic. Fl. Germ. et Helv. Vol. VII. Nymph. Tab. LXITI. Fig. 113. 
Leaves oval, with a deep sinus; lobes contiguous. Petals 
broadly obovate-cuneate. Anthers three or four times as long as 
broad. Stigmatic disk entire, or faintly waved at the edge, not 
lobed; stigmatic rays not extending to the edge of the disk. 
Var. a, major. 
Puate LIV. * 
Flowers about 24 inches in diameter. Stigmatic disk quite 
entire, with 15 to 20 rays. 
Var. 6, minor. 
Puate LV. 
N. intermedium, Ledebour, Fl. Ross. Vol. I. p. 85. Fries, Summ. Veg. Scand. p. 144. 
Flowers about 13 inch in diameter. Stigmatic disk slightly 
waved at the edges, with 10 to 14 rays. 
In lakes, ponds, and ditches. Var. « not uncommon in England, 
but rather rare in Scotland, where Aberdeenshire and Argyle- 
shire appear to be the northern limits. Var. 6 in Chartner’s Loch, 
Northumberland. 
England, Scotland, Ireland. Perennial. Summer, Autumn. 
* The Plate of var. ais E. B. 159. Var. #3 is from a drawing.in the British Museum, 
prepared by Mr. Sowerby for the original edition of E. B., but not hitherto published. 
