OrpER 1—THE CROWFOOTS. 149 
6. CAL’THA. Marsh Marigold. 
Calyx colored, of 5 roundish sepals resembling petals. Corolla 0. Sta- 
mens 00. Follicles 5-10, oblong, compressed, erect, many-seeded.— 
2¢ Smooth marsh plants. 
©. palus’tris. Cowslips. Marsh Marigold. In wet meadows. Root large, thick. 
Stem about 1f. 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, 14’ broad. Outer row of stamens club-shaped, long. Spring. 
7. 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. Follirles 5~ 
10, stalked, beaked, spreading, 4-6-seeded.— 2s. Herbs with radical leaves, 
and long, creeping root-stocks. 
C. trifo’lia. Gold-thread. Leaves 8-foliate, all radical, the divisions broad, 4-8’” 
long, crenate, smooth shining, sessile. Petiole 1-2’ long. Stems underground, 
creeping extensively, bright yellow, and very bitter. Peduncles 8-4’ 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.—2% 
smooth, with palmately-parted leaves. 
1 T.laxus. American G. Sepals 5. Petals 15-25, shorter than the stamens. 
Grows in swamps, M. 7. Calyx yellow, greenish outside. June. 
T. Europe’us. Luropean G. Sepals 10-15. Petals 5-10, as long as the stamens, 
Flowers globular, bright yellow. tf 
8 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 
