130 FLOWERS OF FIELD, HILL, AND SWAMP 



arrow-shaped, large, the largest 2\ feet long, the lobes at base 

 long and sharp, margins rolled inward, long petioled. Time, 

 May, June. 



A common plant, growing in shallow water or in bogs. The 

 flowers are without calyx and corolla, being a collection of sta- 

 mens and ovaries crowded on a long spadix, covering it nearly to 

 the top. The leaf forming the spathe is long, 4 to 8 inches, ta- 

 pering, curving, closely enfolding the spadix, fleshy at base. Fruit, 

 a green berry. Plant springing from tufted fibrous roots, the flow- 

 ering scape but little shorter than the leaves. Maine to Florida 

 and westward. 



' 31. W^ild Calla. "Water-arum 



Cdlla paldstris. — Family, Arum. Cohr, of the spathe, 

 white ; berries, red. Leaves, broad, somewhat heart-shaped, 

 on long, thick petioles. Time, May, June. 



The flower of this pretty aquatic is a close copy of the stately 

 potted plant the calla-lily. The true flowers appear — staminate 

 above, perfect below — on a fleshy receptacle, the spadix, which is 

 short and thick. This lies against a broad, flattish, much pointed, 

 pure-white open leaf, the spathe. Leaf-stalks, 4 to 8 inches long. 



No other leaf grows upon the flower-stem. Others, green, on 

 long stalks, come up from the creeping rootstock. 



These are common flowers in Lapland and other Northern 

 countries, where they grow so numerously as to cover whole 

 marshes and exclude other plants. The roots are caustic and 

 acrid. 



They are found from Nova Scotia to Virginia and westward. 



32. Golden-club 



Orontium aqudticum. — Fainily, Arum. Color, yellow. 

 Leaves, lance-shaped or oblong, smooth, dark-green, and velvet- 

 like above, pale underneath, on long petioles, ascending or 

 floating according to the depth of the water ; all from root. 

 Time, April, May. 



