ORDEK 1. THE CROWFOOTS. 149 



6. CAL'THA. Marsh Marigold. 



Calyx colored, of 5 roundish sepals resembling petals. Corolla 0. Sta- 

 mens 00. Follicles 510, oblong, compressed, erect, many-seeded. 

 if Smootli marsh plants. 



C. palus'tris. Cowslips. Marsli Marigold. In wet meadows. Root large, tlm'.k. 

 Stem about If. high, hollow, round, branched. Leaves large (4-6' wide), 

 roundish, cordate, crenate lower on long, half-round petioles, upper sessile 

 all of a dark, shining green, and very smooth. Flowers of a golden yellow in 

 all their parts, li' broad. Outer row of stamens club-shaped, long. Spring. 



V. COP'TIS. Gold-thread. 



Calyx of 5 or 6 oblong, colored sepals. Corolla of 5 or 6 small club 

 shaped sepals, hollow and 1 -lipped at top. Stamens 20-25. Follicles 5- 

 10, stalked, beaked, spreading, 4-6-seeded. U Herbs with radical leaves, 

 and long, creeping root-stocks. 



C. trifo'lia. Gold-thread. Leaves 3-foliate, all radical, the divisions broad, 4-8" 

 long, crenate, smooth shining, sessile. Petiole 1-2' long. Stems 'inderground, 

 creeping extensively, bright yellow, and very bitter. Peduncles 3-4' high, 

 each 1-flowered. Calyx white. Petals yellow, much smaller than the sepals, 

 barely distinguishable among the stamens by their color. May. 



8. TROL'LIUS. Globe-flower. 



Calyx of 5, 10, or 15 concave sepals colored like petals. Corolla of 

 5-25 small, linear petals, which are tubular at base. Stamens many, 

 much shorter than the sepals. Pods many, each many-seeded. U 

 smooth, with palmately-parted leaves. 



1 T, laxus. American G. Sepals 5. Petals 15-25, shorter than the stamens. 



Grows in swamps, M. r. Calyx yellow, greenish outside. June. 



2 T. Europae'us. European G. Sepals 10-15. Petals 5-10. as long as the stamens. 



Flowers globular, bright yellow, t 



3 T. Asiat'icus. Asiatic G. Sepals 10, orange-colored Petals 10, longer than sta- 



mens, t 



9. AQUILE'GIA. Columbine. 



Sepals 5, ovate, colored, spreading. Petals 5, tubular with a wide 

 mouth, the outer margin erect, the inner attached to the receptacle, and 

 behind extended into a long, spurred nectary. Stamens 30-40, the inner 



