192 SUMMER FLOWERS. 



and almost woody at the base, but not of long duration, with 

 hard, slightly-spreading branches ; leaves oblong-linear, ob- 

 tuse, entire, soft and hoary on both sides ; flowers purple or 

 reddish, rather large ; pod 4-5 inches long, crowned by the 

 short stigmas. Gilliflower. Cliffs in the Isle of Wight. Fl. 

 May, June. 



M. sinuata: stem one foot high, with spreading branches, 

 perennial, but of short duration ; leaves deeply sinuate, covered 

 over with short hoary down ; flowers purple ; pods compressed, 

 usually more or less covered with glandular protuberances. 

 Sandy sea-shores of the south and west coasts. Fl. August. 



(19) Hesperis. ROCKET. 



H. matronalis : stems 2-3 feet high, slightly branched ; 

 leaves shortly stalked, ovate-lanceolate or lanceolate, 23 

 inches long, the upper ones smaller ; flowers lilac, usually 

 fragrant in the evening ; pods 24 inches long, nearly cylindri- 

 cal, much contracted between the seeds. Dame's Violet. 

 Hilly pastures, rare. Fl. June. 



(20) Erysimum. TREACLE MUSTARD. 



E. cheiranthoid.es : annual ; stem 1-2 feet high, stiff, erect, 

 slightly hoary with appressed hairs ; leaves numerous, broadly 

 lanceolate, entire or slightly toothed, tapering into a stalk ; 

 flowers small, pale yellow ; pods numerous, seldom an inch 

 long. Waste and cultivated places. Fl. July. 



(21) Sisymbrium. 



* Leaves deeply pinnatifid. 



S. officinale : annual ; stems a foot high or more, erect, 

 more or less downy, with rigid spreading branches; leaves 



