4 . Nymphaeaceae. ‘Jater 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 mith ibe leaves ,usually, 23 
conspicuous. Sepals 3-12. Petals s-many, distinct or nto the 
.~- sepals. Stamens 5-numerous, hypogynous or adnate to the ovary. Pistil 
1, 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 deep 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 
z Sinus 1/3 to 1/4 the length of the blade or less, 
Gopen, the lobes rounded, petals yellow 3 Nymphozanthus 
— J. Brasenia Schreb. Water Shield. 
C Aquatic herbs with slender creeping rootstocks. Leaves floating, . 
alternate, peltate. Flowers axillary, inconspicuous. Sepals and petals S—-65 
d Stamens 40—=3); pistils 4-18, distinct, forming iuniehiscent pods 
at maturity. Seeds 1-2. 
@e 
1. Be Schreberi Gmelin. —_—_pmeotetocis scolar tems 1-2 m. long or 
less, these and the underside of the leaves and petioles coated with a 
firm transparent jelly; leaves elieraate—froatinep 6-8 cm. long, 4-5-5 Cme 
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 $= 10-15 mm. long, oblong, 
; recurved then spreading; stamens purple yates mere, subequal to the perianth, 
erect, the filaments longer than the anthers; styles purple, exserted before 
the stamens; ovaries oblong, 4 mm. long, the style somewhat shorter, pub- 
escent$ fruit not seen. 
+ Priest Lake, sandy bottom in 2-5 feet of water, dpling 8679; also 
4 observed in lagoons near St. aries. 
ae ape 
