76 NYMPHAEACEAE. 



Calyx of 3 petaloid sepals, or rarely more. Corolla of 5 imbricate petals 

 as large as the sepals or larger, or more. Androeciimi of many stamens, 

 or rarely of few. Gynoeeium of several or many distinct carpels. Frnit 

 a cone of accrescent carj^els which become baccate or follicular. 



1. MAGNOLIA L. Shrubs or trees. Leaves deciduous or persistent: 

 blades entire or auricled at the base. Flowers perfect, white. Sepals and 

 petals about equal in size. Fruit an echinate cone. 



1. M. virginiana L. Shrub, or tree becoming 2.5 ni. tall, the twigs silky: 

 leaf-blades oblong, elliptic, or oval, .5-15 cm. long: flowers white, globose- 

 campanulate, 3-8 cm. wide: petals elliptic, oblong, oval or obovate: fruit oval 

 or ovoid, 3-5 cm. long. — Everglades. — Sweet-bay. Laurel-magxolia. 



Family 4. NYMPHAEACEAE. Water-lily Family. 



Ac|uatic acanlescent plants with rootstocks. Leaves with erect or 

 floating blades. Flower tenninating a long scape. Calyx of 4 or 5 sepals. 

 Corolla of numerous petals, passing into the androeeium. Androecium of 

 numerous stamens. Gynoeeium of several united carpels. Fruit a leathery 

 iDerry. 



Petals small, filament-llke : stamens hypogynous. 1. Nymphaea. 



Petals as large as the sepals : stamens epigynous. 2. Castalia. 



1. NYMPHAEA [Touru.] L. Plants with erect leaves (ours) and yellow 

 flowers. Leaf -blades peltate, with a deep sinus at the base. Sepals 5 or 6, con- 

 cave, converging. Petals 10-20, erect, somewhat resembling the filaments. 

 Stamens consisting of 2 narrow anther-sacs on the face of a fiat filament. 

 Stigmas united into a disk with stigmatic-lines. 



1. N. advena Soland. Leaves (emersed) with long petioles; blades oval or 

 ovate, 1-4 dm. long, leathery: flowers erect on stout scapes, depressed- 

 globose: sepals obovate: petals obsolete, yellow: berry ovoid, 3-4 cm. long. — 

 Everglades. — (Cuba.) — Splatter-dock. Yellow Poxd-lily. Bonnets. 



2. CASTALIA Salisb. Plants with floating leaves and white, pink, blue, 

 or yellow flowers. Leaf-blades peltate and cleft at the base. Sepals mostly 

 4, spreading. Petals numerous, spreading, the outer ones about as large as 

 the sepals. Stamens consisting of narrow anthers terminating slender fila- 

 ments. Stigmas distinct, converging. 



1. C. odorata (Dryand.) Woodr. & Wood. Leaf-blades suborbicular, mostly 

 1-1.5 dm. wide, entire, dark-green above, usually dull-purple beneath: flowers 

 floating: sepals oblong-ovate to ovate-lanceolate: petals 24-32, the outer ones 

 oblong-ovate to narrowly oblong, the inner ones oblong-oblanceolate, all white 

 varying to pink: gynoeeium 13-25-carpellary: capsules globular or slightly 

 depressed. — Everglades. — Water-lily. Pond-lily. 



Order PAPAVERALES. 



Herbs, shrubs, trees, or vines. Leaves with entire, toothed, dissected, 

 or compound blades. Flowers perfect. Calyx of distinct or nearly distinct 

 sepals. Corolla of distinct or nearly distinct petals, or wanting. Androe- 

 cium of few or many hypogynous stamens. Androeeium of 2-several 

 united carpels. Ovary superior, sessile or stipitate. Fruit capsular or 

 baccate. 



