18 SARRACENIACE^E. (PITCHER-PLANT FAMILY.) 



2. N. flava, Leitner. Kootstock sliort, oblong; leaves broadly oval, 

 often with wavy margins, 3' - 5' wide ; flowers yellow, 3' - 4' wide. East 

 Florida. 



5. NUPHAR, Smith. YELLOW WATER-LILY. 



Sepals 5 - 6, obovate, yellow within. Petals short, stamen-like, hypogynous, 

 or none. Stamens at length recurved, persistent. Stigma circular, sessile, 

 many-rayed. Seed without an aril. Leaves and flowers floating or erect. 



1. N. ad vena, Ait. Leaves thickish, cordate, or reniform, downy be- 

 neath; sepals concave; petals numerous, thick and fleshy. Ponds and 

 rivers. May - Aug. 



2. N. sagittsefolia, Pursh. Leaves thin, floating, oblong, sagittate, 

 smooth ; petals none. In still water, near the coast, Florida to N. Carolina. 

 Rare. 



ORDER 7. SAKBACENIACE^E. (PITCHER-PLAXT FAMILY.) 



Perennial marsh herbs, with hollow pitcher or trumpet-shaped 

 leaves, and a naked or bracted scape bearing few or solitary nodding 

 hypogynous flowers. Sepals 5, colored, persistent. Petals 5, imbri- 

 cated in the bud, deciduous, rarely wanting. Stamens numerous : 

 anthers adnate, introrse. Ovary 5-celled, many-ovuled. Placentae 

 central. Style single, 5-cleft, or umbrella-shaped. Capsule 5-celled, 

 many-seeded. Embryo minute at the base of fleshy albumen. 



1. SARRACENIA, L. TRUMPET-LEAF. SIDE-SADDLE FLOWER. 



Calvx 3-bracted. Petals obovate, drooping or incurved. Style umbrella- 

 shaped, 5-angled ; the angles emargiuate, and bearing the minute hooked 

 stigmas beneath. Capsule globose, papillose, loculicidally 5-valved. Scape 

 1-flowered. Flowers large, purple or yellow Leaves 1-winged, hairy within, 

 expanded at the summit into a short h->od, usually containing water and 

 dead insects; the earlier ones more broadly winged, with smaller tube and 



hood, or destitute of both. 



* Flowers purple. 



1. S. purpurea, L. (HUNTSMAN'S Crp.) Leaves sliort, spreading, the 

 tube inflated, contracted at the throat, broadly winged ; hood reuiform, erect, 

 hairy within, often purple-veined. Mossy swamps. April -May. Leaves 

 4' -6' long. Scapes 1 high. 



2. S. Psittacina, Michx. (PARROT-BEAKED PITCHER-PLANT.) Leaves 

 short, spreading; tube slender, broadly winged, marked with white spots, and 

 reticulated with purple veins; hood globose, inflated, incurved-beaked, almost 

 closing the orifice of the tube. Pine barren swamps, Florida, Georgia, and 

 westward. April - May. Leaves 2' - 4' long. Scapes 1 high. 



3. S. rubra, Walt. (RED-FLOWERED TRUMPET-LEAF.) Leaves elon- 

 gated, erect, slender, narrowly winged, paler above, and reticulated with 

 purple veins ; hood ovate, erect, beak-pointed, contracted at the base, tomentose 

 within ; flowers reddish purple. (S. Sweetii, A. DC.; hood not contracted.) 

 Sandy swamps in the middle and upper districts, Georgia to N. Carolina 

 and westward. May. Leaves l-2 long, shorter than the scapes.. 



