Vot. IL.] WATER LILY FAMILY. 45 
3. Castalia tetragona (Georgi) Lawson. Small White Water Lily. 
(Fig. 1533-) 
Nymphaea tetragona aes Reise in 
“Russ. Reichs, 1: 220. 
Castalia pygmaea Salish. Bread: Lond. 
pl. 68. 1807. 
C. Letbergtt Morong. Bot.Gaz.13: 134. 1888. 
Castalia tetragona Tawson, Trans. Roy. 
Soc. Canada, 6: Sec. IV. 112. 1888. 
Leayes floating, oval or oblong, 2/—4’ 
long, 114/-3/ wide, green above, green 
or purplish beneath, the basal lobes 
acute or rounded; sinus open, narrow; 
petioles and peduncles nearly or quite 
glabrous; flowers white, inodorous, 1/— 
2/ broad; petals in about 2 rows, faintly 
striped with purple, obtuse or acutish, 
oblong or obovate, thin, about the 
length of the sepals. 
In the Misinaibi River, Ontario (R. 
Bell); in ponds along the ‘Severn River, 
Keewatin (J. M. Macoun); near Granite 
Station, northern Idaho (Leiberg). Also 
in Siberia, Japan and the Himalayas. 
Summer. 
ie NELUMBO Adans. Fam. Pl. 2: Was — atzilsig'e 
Large aquatic herbs, with thick rootstocks, long-petioled concave emersed or floating 
leaves, and small and scale-like submerged ones borne sessile on the rootstock. Flowers 
large, showy, yellow, pink or white. Sepals 4 or 5, imbricate. Petals and stamens , in- 
serted on the calyx, caducous. Filaments more or less petaloid; anthers introrse. Carpels 
©, distinct, contained in pits in the large convex receptacle. Styleshort; ovules 1 or 2, pen- 
dulous or anatropous; endosperm none; cotyledons thick, fleshy. Nuts globose or oblong. 
[Ceylon name for V, Nelumbo.] 
"2 A genus of 2 species, one North American, the other Asiatic and Australasian, known as Water- 
ean, 
Flowers pale yellow; plant native. 1. WV. lutea, 
Flowers pink or w hite; plant introduced, 2. NV. Nelumbo. 
1. Nelumbo lutea (Willd. ) Pers. American Nelumbo or Lotus. (Fig. 1534.) 
Nelumbium luteum Willd. Sp. P1. 2: 1259. 1799. 
Nelumbo lutea Pers. Syn. 1:92. 1805. 
Rootstock nearly horizontal, tuberiferous. 
Emersed leaves 1°-2° broad, nearly orbi- 
cular but often somewhat constricted in the 
middle, centrally peltate, raised high out of 
water or floating, prominently ribbed, gla- 
brous above, more or less pubescent and 
lepidote beneath, the lower surface marked 
with an oblong, transverse area; petioles 
and peduncles thick, 3°-7° long, with sev- 
eral large air-canals; flowers pale yellow, 
4/-10’ broad; petals concave, obovate, ob- 
tuse; anthers appendaged; fruit obconic or 
soniewhat hemispheric, 3/-4’ long; seeds 
nearly globular, 6’’ in diameter. 
Grand River, near Dunnville, Ont.; Sodus 
Bay, Lake Ontario; in the Connecticut River 
near Iryme; Swartswood Lake, northern New 
Jersey; ponds at Woodstown and Sharptown, 
southern New Jersey; formerly in the Delaware 
River below Philadelphia, and locally south to 
Florida, west to Michigan, the Indian Territory 
and Louisiana. Tubers and seeds farinaceous, 
edible. Called also Great Water Lily, and - 
Water Chinkapin, or Wankapin. July-Aug. 
