Nymphaeaceae. ‘ater Lily Family. 
Perennial aquatic herbs with horizontal rootstocks,rooting on the 
floor of shallow pools or the margins of lakes, the leaves floating(or 
emersed), deeply cordate or peltate. Flowers floating with fhe leaves , usually 
conspicuous. Sepals 5-12. Petals s-many, distinct orfs nto the 
. sepals. Stamens S-numerous, hypogynous or adnate to the ovarye Pistil 
l, compound, or several and distinct. 
Oo Leaves peltate ,the petiole attached to the middle on 
4 the lower side; flowers purple, inconspicuous ), Brasenia 
o Leaves with a aeep sinus at the base; flowers yellow 
4 or white, very showy 
z Sinus about equal to half the length of the 
G blade, narrow, the lobes acute; petals white 2, Nymphaea 
zg, Sinus 1/3 to 1/4 the length of the blade or less, 
@open, the lobes rounded, petals yellow 4 Nymphozanthus 
J. Brasenia Schreb. Water Shield. 
Aquatic herbs with slender creeping rootstocks. Leaves floating, 
alternate. peltate. Flowers axillary, inconspicuous. Sepals and petals 3-65 
o—9n—%: stamens Y; pistils 4-18, distinct, forming iindehiscent pods 
at maturity. Seeds 1-<. 
1. Be Schreberi Gmelin. “ers 1-2 me long or 
less, these and the underside or the leaves and petioles coated with a 
firm transparent jelly; leaves : 6-8 cme long, 425-6 Cm. 
wide, oval, the upper surface dull yellowish green, faintly veined, 
the veins radiating from the center, dichotomously forked, the lower surface 
purple, petioles 6-12 cm. long; flowers solitary in the axils on jelly coated 
peduncles 3-6 cm. long, the perianth segments =e 10-15 mm. long, oblong, 
recurved then spreading; stamens purple ,-86-eF-merp, subequal to the perianth, 
erect, the filaments longer than the anthers; styles purple, exserted before 
the stamens; ovaries oblong, 4 mn. long, the style somewhat shorter, pub- 
escent$ fruit not seen. 
Priest Lake, sandy bottom in 2-5 feet of water, Zpling 8679; also 
observed in lagoons near St. Aries. 
