Hardy Exotic Plants for Naturalization. 119 



America. Bulb; 4 feet; light orange; summer; divi- 

 sion. — In shrubberies or the shade of trees planted in peat 

 soil. 



THE COLCHICUM FAMILY. 



Spring Bulbocodium. Bulbocodium vernum. Spain. 

 Bulb ; 3 to 4 inches ; purple ; spring ; division. — ^With 

 the dwarfest and earliest Crocuses and other spring bulbs 

 on warm banks and slopes. 



Checkered-flowered Meadow Saffron. Colchicum 

 vari^atum. Greece. Bulb ; 3 to 6 inches ; lilac ; 

 autumn ; division. — ^With the Crocuses and dwarfer bulbs, 

 or in any position where our native Colchicum will grow. 



BUstered Eelonias. Hdonias buUata. North Ame- 

 rica. Tuberous perennial ; ifoot; purple ; early summer; 

 division. — In boggy or moist sandy soil, associated with 

 Cypripedium spectabile, Rhexia virginica, and other 

 first-rate bog-plants. 



White Veratrum. Veratruin album. Europe. Pe- 

 rennial ; 4 to 5 feet ; white ; summer ; division.— Asso- 

 ciated with fine-foliaged plants, or by itself on fringes of 

 shrubberies, or in rocky places. 



THE PONTEDERIA FAMILY. 



Heart-leaved Pontederia. Pontederia cordata. North 

 America. Aquatic ; 2 feet ; blue ; summer ; division.— 

 In water, within a few feet" of the bank of lakes, ponds, 

 &c., associated with such plants as the Sagittarias and 

 the flowering rush. 



