POND SURROUNDINGS 201 



many varieties, will be found quite satisfactory 

 in wet places, especially on account of the 

 brilliant yellow flowers. There is a double 

 flowered variety (C. palustris, var. jlore- 

 pleno) a dwarf form, also double flowered 

 (C. palustris, var., minor flore-pleno), and a 

 form possessing double flowers larger than the 

 species (C palustris, var., monstrosus fl-pl-)- 

 Other hardy species of caltha are C. biflora and 

 C. leptosepala. 



There are a number of species of sedge of 

 ornamental appearance. Preferable are Carex 

 acuta, var. alho-variegata and C. gallica, var. 

 variegata. C. plantagtnea is also to be recom- 

 mended, as are C. pendula and C. riparia, 

 var. variegata. 



The button snake root {Cimtcifuga race- 

 mosa) is a close relation of the baneberry and 

 is very similar in appearance. 



The water hemlock {Cicuta maculata) is 

 a hardy perennial, a native of the United 

 States, and found everywhere along ponds 

 and in marshy places. While tall and grace- 

 ful and requiring absolutely no care, it must 



