14 RANUNCULACE^ 



confounded with the greater Celandine (see p. 29).— Fl. March- 

 May. Perennial. 



7. Caltha (Marsh Marigold).— Aquatic glabrous herbs, with 

 five yellow, imbricate, deciduous sepals, no petals, and a ring of 



CALTHA PALUSTRis {Mavsk Marigold). 



