THE GREEN-HOUSE CATALOGUE. 249 



borders in the winter season. D. arbor eus, however^ is a 

 handsome plant when neatly supported by a prop. All of 

 the species grow in any light rich soil, and are propagated 

 by cuttings or pipings like the common pink. 



SiLE^NE fruticdsa, shrubby Catchfly, a frame undershrub, 

 a native of Sicily, introduced in 1629^ and flowering in June 

 and July. 



S. gigdntea, gigantic Catchfly, a green-house biennial, a 

 native of Africa, introduced in 1738, and flowering in June 

 and July. 



S. crassifolia, thick-leaved Catchfly, a green-house 

 biennial, a native of the Cape of Good Hope, introduced in 

 1774, and flowering in July and August. 



S. orndfa, dark-coloured Catchfly, B. M. 382, a green- 

 house biennial, a native of the Cape of Good Hope, intro- 

 duced in 1775, and flowering from May to September. 



S. imcZiJafa, wave-leaved Catchfly, a green-house biennial 

 a native of the Cape of Good Hope, introduced in 1755, 

 and flowering in August. 



S. cBgyptidca, Egyptian Catchfly, a green-house bien- 

 nial, a native of Egypt, introduced in 1800, and flowering 

 in July and August. 



These plants, which are undeserving of culture, excepting 

 as forming part of a botanical collection, thrive well in rich 

 light soil, and cuttings root as readily as those of the com- 

 mon pink or sweet-william. 



Arena^ria 2^'^oct(mbens, procumbent Sandwort, a peren- 

 nial, introduced from Egypt in 1801, and flowering in July 

 and August. It is a plant of no beauty, but easily culti- 

 vated in sandy loam and increased by seeds or cuttings. 



Ly^chnis corondfa, Chinese Lychnis, B.M. 223, a green- 

 house perennial, a native of China, introduced in 1774, and 

 flowering from June to September. It grows in sandy loam, 

 and is increased by cuttings like Didnthus, 



