76 



CABO.MBACEAE. 



Vol. II. 



Stems 

 floating on 



Leaves dissected, excepting the small floating ones ; stamens 3-6. i. Cabomba. 



Leaves peltate, entire, floating; stamens 12-18. 2, Brasenia. 



I. CABOMBA Aubl. V\. Guian. i: 321. 1775. 

 coated with gelatinous matter, branching. Leaves petioled, peltate, the 

 , entire; submerged ones opposite, palmately dissected into numerous 

 capillary segments. Flowers small, white or yellow. Sepals 

 and petals 3. Stamens 3-6; filaments slender; anthers e.x- 

 trorse. Carpels 2-4. Stigmas small, terminal ; ovules com- 

 monly 3, pendulous. Fruit coriaceous, indehiscent, about 3- 

 seeded. [Guiana name.] 



A genus of 4 species, natives of the warmer parts of .America. 

 Type species : Cabomba aquatica Aubl. 



I. Cabomba caroliniana A. Gray. Cabomba. Caro- 

 lina Water-shield. Fig. 1835. 



Cabomba caroliniana A. Gray, Ann. Lye. N. Y. 4 : 47. 1S37, 



Stem several feet long, branching. Submerged leaves op- 

 posite or sometimes verticillate, petioled, i'-2' broad, cen- 

 trally peltate, repeatedly divided ; floating ones alternate or 

 opposite, linear-oblong, 6"-io" long; flowers long-peduncled 

 from the upper axils, 6"-8" wide, white, or yellow at base 

 witliin ; petals obovate ; ripened carpels 3, separate, flask- 

 shaped. 



In ponds and slow streams, Missouri and Illinois to North Caro- 

 lina, south to Florida and Texas. May-Aug. 



2. BRASENIA Schreb. Gen. PL 372. 1789. 

 Stem slender, several feet long, branching, covered with gelatinous matter as are the 

 petioles, peduncles and lower leaf-surfaces. Leaves alternate, oval, entire, 2'-^' long, long- 

 petioled, centrally peltate, floating, palmately veined. Flowers axillarj-, purple. Sepals 

 and linear petals 3. Stamens 12-18; filaments filiform. Carpels 4-18, separate. Ovules 2 or 

 3, pendulous from the dorsal suture. Ripe carpels indehiscent, coriaceous, 1-2-seeded. 

 [Name unexplained.] 



A monotypic genus of continental North Amer- 

 ica, Cuba, eastern and tropical Asia, west tropical 

 Africa, and Australia. 



I. Brasenia Schreberi Gmel. Water-shield 

 or Water-target. Fig. 1836. 



Menyanthes nymphaeoidcs Thunb. Fl. Jap. 82. 1784. 



Not L. 1753. 

 Brasenia Schreberi Gmel. Syst. Veg. i : 853, 1796, 

 Hydropcllis purpurea Michx. Fl. Bor. Am. 1 : 324. 



pi. 29. 1803. 

 Brasenia peltata Pursh, Fl. Am. Sept. 389. 1814. 

 Brasenia purpurea Casp. in Engl. & Prantl, Nat, Pfl. 



Fam. 3: Abt. 2, 6. 1890. 



Rootstock slender. Leaves 2'-4' long, ii'-2' 

 wide, thick, rounded at each end; flowers 5"-6" 

 in diameter, on long stout peduncles; fruit oblong, 

 3"-.|" long. 



In ponds and slow streams, locally distributed from 

 Nova Scotia to Florida. Manitoba, Nebraska and 

 Texas. Also in Culia, Mexico, and on the Pacific 

 Coast from California to Washington. Deer-food. 

 Frog-leaf. Little water-lily. Summer. 



Family 27. NELUMBONACEAE Lindl. Nat. Syst. Ed. 2, I3.~i836. 



Sacked Bean Family. 

 Comprises only the following genus. 



I. NELUMBO [Tourn.] Adans. Fam. PI. 2 : 76. 1763. 



Large aquatic herbs, with thick rootstocks, long-petioled concave emersed or floating 

 leaves, and small and scale like submerged ones borne sessile on the rootstock. Flowers 

 large, showy, yellow, pink or white. Sepals 4 or 5, imbricate. Petals and stamens >, 

 inserted on the calyx, caducous. Filaments more or less petaloid ; anthers introrse. Carpels 



