Hardy Exotic Plants for Naturalization. 6\ 



thus neglectus would succeed in similar positions even 

 more freely than this, as it grows well in common soil. 



Carnation. Dianthus Caryophyllus. Europe. Ever- 

 green perennial ; i to 2 feet ; various ; summer ; seed, 

 layers, or pipings. — The Carnation grows in a wild state 

 on walls and ruins, and is worthy of being naturalized in 

 such places : also in very rocky ground or stony banks, 

 in ordinary sandy or gravelly soil. 



Common Pink. Dianthus plumarius. Europe. 

 Evergreen perennial ; \ foot ; white ; summer ; seed, 

 layers, pipings, or division. — On ruins, walls, banks, and 

 dry rocks, on any of which the plant will prove more 

 enduring than on the level moist ground. 



Superb Pink. Dianthus superbus. Europe. Ever- 

 green perennial ; i to 2 feet ; pale purple ; summer ; 

 seed or division. — Sandy moist fields, or open spots in 

 woods : also on similar soil in rocky or stony places. 



Bock Tunica. Tunica Saxifraga. Europe. Ever- 

 green perennial ; i foot ; pale purple ; summer ; seed or 

 division. — Walls, ruins, rocks, or dry, bare, and poor 

 soil, on banks or slopes. 



Calabrian Soap-wort. Saponaria calabrica. Cala- 

 bria. Annual ; 6 to 12 inches; deep rose ; all summer; 

 seed. — In half-bare, wild places this popular annual 

 would take care of itself, but it is not nearly so ornamental 

 as the following perennial kind. 



Bock Soap-wort. Saponaria ocymoides. Alps of 

 Europe. Evergreen trailer ; 3 inches ; red ; early summer ; 

 seed, cuttings, or division. — Rocks, banks, stony slopes, 

 or in tufts on the edges of shrubberies. 



Lobel's Catchfly. Silene Armeria. Southern Europe. 



