AUACE.E. (ARUM FAMILY.) 441 



connective, opening at the apex. Ovaries numerous, crowded, somewhat 4-ccllcd, 

 with numerous horizontal ovules in each cell. Style short and thick : stigma 



broad, depressed, lobed. Berry red, many-seeded. — Herbs. Petioles of the 

 sagittate leaves sheathing the ba<e of the scape. 



1. X. sagittifolium, Sehott. Stemlcss ; leaves glaucous, hastate-cordate, 

 acuminate, the lobes oblong, obtuse ; spathe hooded at the summit, oval-lanceo- 

 late, white, longer than the spadix. — Marshes and springy places, near Savan- 

 nah, E/hoft, and Wilmington, Curtis. May and June. \\. — Root tuberous. 

 Petioles 12'- 15' long. Leaves 5' -7' long, the lobes somewhat spreading and 

 generally obtuse. Seapc as long as the petioles. 



4. PISTIA, L. 



Spathe tubular at the base, spreading above, united -with the spadix. Flowers 

 few, monoecious, the upper ones staminatc and supported by a cup-shaped invo- 

 lucre ; the fertile solitary. Calyx and corolla none. Anther-cells 3-8, opening 

 transversely. Ovary 1 -celled, with several erect orthotropous ovules. Style 

 thick : stigma disk-like. Berry few -many-seeded. Embryo at the apex of the 

 albumen. — Small free-floating aquatic herbs, with fibrous roots, and entire 

 clustered spreading leaves, with the flowers in their axils. 



1. P. Spatliulata, Michx. Leaves arranged in a circle, round-obovate, 

 abruptly contracted into a short petiole, with the nerves projecting beneath (la- 

 m_'lliform) ; roots numerous, elongated; spathe short-peduncled, white. — In 

 still water, East Florida, and westward. — Leaves l'-2'' long. 



5. SYMPLO CARPUS, Salisb. Skuxk-Cabbage. 



Spathe hooded-shell-form, acuminate, fleshy, early decaying. Spadix pedun- 

 cled, globose, covered with the perfect flowers. Sepals 4, hooded, berry-like in 

 fruit. Corolla none. Stamens 4 : anthers 2-celled, opening lengthwise. Ovary 

 1-cellcd, 1-ovuled Style pyramidal, 4-anglcd ; stigma minute. Berries with 

 the sepals united in a mass. Seeds globose, without albumen. Embryo thick 

 and fleshy. — Perennial garlic-scented herbs, from a deep and thick rhizoma, 

 with large stout-petioled veiny leaves, and nearly scssiie spathes, appearing be- 

 fore the leaves. 



1. S. foetidus, Salisb. Leaves thin, oval, cordate, short-petioled ; spathe 

 ovate, incurved, spotted with purple and yellow ; spadix dull-purple, much 

 shorter than the spathe, enlarged in fruit. (Pothos foetidus, Michx.) —Bogs and 

 swamps, North Carolina, and northward. Feb. and March. — Leaves l°-2° 

 long. Spathe 2' - 4' long. Spadix in fruit 2' -3' in diameter. Seeds about the 

 size of a pea. 



6. ORONTIUM, L. Golden-Club. 



Spathe none. Spadix cylindrical, covered with the yellow perfect flowers. 

 Sepals and Btameui 4 - G. Anthers 2-cclled, opening lengthwise. Ovary 1-cellcd, 



