MONOCOTYLEDONOUS PLANTS 25 



1. A. triphyllum, Ton. Indian Turnip, Jack-in-the-pulpit. 

 Leaves generally 2, each of 3 elliptical-ovate, pointed leaflets. Spadix 

 club-shaped, bearing usually only one kind of fuUy developed flowers ; 

 that is, full-sized pistillate and rudimentary staminate ones, or the 

 reverse. Spathe much longer than the spadix, and covering it like 

 a hood. Corm tuinip-hke, but much wrinkled, very starchy, and 

 filled with intensely burning juice. 



2. A. Dracontium, Schott. Green Dragon, Dragon Root. Leaf 

 usually single, divided into 7-11 rather narrow-pointed leaflets ; 

 spadix tapering to a long, slender point, often bearing fully devel- 

 oped staminate and pistillate flowers. 



n. SYMPLOCARPUS, Salisb. 



Eootstoek very stout, with many long, cylindrical roots. 

 Leaves clustered, very large, and entire. Spathe shell-shaped, 

 very thick. Spadix globular, thickly covered with perfect 

 flowers. Sepals 4. Stamens 4. Style 4-angled. !Fruit glob- 

 ular or ellipsoidal, with the seeds slightly buried in the 

 enlarged spadix. 



Coarse, stemless herbs, with a powerful scent like that of 

 the skunk and of onions. 



1. S. foetidus, Salisb. Skunk Cabbage. Leaves many, slightly 

 petioled, 1-2 ft. long, appearing after the flowers. The latter are 

 usually seen before the ground is wholly free from frost, often earlier 

 than any other flower. Bogs and wet meadows, very common N. 



in. ACORUS, L. 



Eootstocks horizontal, long, and moderately stout, aromatic. 

 Leaves long, upright, sword-shaped. Spathe much like the 

 leaves. Spadix projecting from the edge of the spathe, con- 

 sisting of numerous perfect flowers. Sepals 6. Stamens 6. 

 Ovary 2-3-celled, with numerous ovules. Eruit 1-few-seeded. 



1. A. Calamus, L. Sweet Flag. Scape with a long, leaf-like 

 prolongation (spathe) beyond the green, very closely flowered, spadix. 

 Along borders of brooks and swamps. 



The rootstocks furnish the weU-known calamus or "sweet flag- 

 root " sold everywhere by druggists. 



