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, 2-3 

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

 fragrant in the evening ; pods 2-4 inches long, nearly cylindri- 

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

 Hilly pastures, rare. Fl. June. 



(20) Erysimum. Treacle Mustard. 



E. cheirantlioides : 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. oflacinale : annual ; stems a foot high or more, erect, 

 more or less downy, with rigid spreading branches ; leaves 



