54 The Wild Garden. 



Emperor Stock. Matthiola semperflorens. Evergreen 

 perennial; i to i|feet; summer; seed. — Rocky places, 

 banks, ruins, fringes of shrubberies, etc. 



Night-scented Stock. Matthiola tristis. Southern 

 Europe. Biennial ; i to i J feet ; brown ; summer ; 

 seed. — May be established on the sunny sides of old 

 ruins and walls, in old chalk-pits, etc. 



Alpine Wallflower. Erysimum ochroleucum. Nor- 

 thern Europe. Evergreen perennial ; \ foot ; yellow ; 

 early summer ; cuttings, seed, or division. — Bare or stony 

 earth in moist soil, and in a fully exposed position. 



Garden Wallflower. Cheiranthus Cheiri. Europe. 

 Evergreen perennial; 2 feet; rich brown and yellow; 

 early summer ; seed or cuttings. — This, as everybody 

 knows, is quite at home on old walls, on many of which 

 it is abundantly naturalized. 



White Wall-cress. Arabis albida. Caucasus. Ever- 

 green perennial ; | foot ; white spring ; seed, division, 

 or cuttings. — An)rwhere amid vegetation not over i foot 

 high. Should be used abundantly in stony places and 

 ruins. 



Sand WaU-eress. Arabis arenosa. Europe. Annual ; 

 I foot ; purplish ; seed. — On mossy old ruins or walls; 

 or on ground fully exposed, and where the vegetation 

 is not much more than 6 inches high. 



Biennial Honesty. Lunaria biennis. Germany. 

 Biennial ; 2 to 3 feet ; purphsh ; summer ; seed. — On 

 warm chalky banks, or slopes, or indeed in almost any 

 position in woods, and by walks in half-wild spots. 



Perennial Honesty. Lunaria rediviva. Europe. 

 Herbaceous perennial; 2 to 3 feet; purple; early 



