242 NYMPHAEACEAE 
Without thorny spines . . . . . LAURACEAE 
Woody climber, leaves not compe . MENISPERMACEAE 
Woody climber, leaves compound. Clematis in Ranunculaceae. 
‘Herbs. 
With several or many independent carpels, stamens 
mostly more than 12 . .°. . RANUNCULACEAE 
Famity I.—NYMPHAEACEAE. Water Lity FAmiIty 
Aquatic herbs, the long creeping rootstocks of which are per- 
ennial. The shield-shaped or large heart-shaped leaves float on 
the surface of the water. Flowers solitary, regular, with both 
stamens and pistils. Divisions of the calyx and corolla in some 
species variable, passing from one form to the other. Stamens 
more than 10, also passing by slight gradings into petals. 
Leaves all oval, shield form with footstalks near the center 
: .  Brasenia 
Fears all heart aed: deeply a at base 
Flowers yellow . . . » . Nymphaea 
Flowers white. 
Brus. clobosé ... . 4 « <<) '=. 3\ one 
Fruit an inverted cone . . . . . . =Nelumbo 
1. BRASENIA, Schreb. 
Submersed stems often several feet long, branching. Leaves on long 
slender foot-stalks, oval, shield-form with the foot-stalks inserted near the 
center. Floating, borders undivided, 2 to 4 in. long. 
B. purpurea, (Michx.) Casp. (Fig. 2, pl. 42.) Water SHIELp. 
Water Tarcer. (B. Schreberi, Gmel. B. peltata, Pursh.) Flowers dull 
purple. The oval leaves floating in groups on the surface of ponds and 
streams. Blooms through the summer. 
2. NYMPHAEA, L. (Nuphar, Sibthorn and Smith) 
Submersed stems rather stout. Leaves with deep sinus at base. Flowers 
yellow, sepals 5, colored, petals small, in the cup of the colored calyx, 
graduating into the stamens. Sepals, petals and stamens surrounding 
the foot-stalk at base of the ovary. The compound ecarpels uniting into 
a single pistil. 
1. N. advena, Soland. (Fig. 4, pl. 42.) Larce Yettow Ponp Livy. 
Leaves 5 to 12 in. long, 2/3 as wide. Flowers 14 to 3} in. diameter, 
deep yellow. Disk at summit of pistil 12 to 25 rayed, yellow or pale 
red. Common in still water, April-Sept. 
2. N. hybrida, Peck. Rep Diskep Ponp Lity. Similar to No. 1, but 
smaller and with the disk at summit of pistil bright red or crimson and 
