276 TETRADYNAMIA SILIQUOSA. [CL. XV. 



2. E. Altidria. Garlick Hedge Mustard. Jack-by-the-hedge. Sauce- 

 alone. Leaves heart-shaped, broadly toothed, stalked. Stem from 



one to three feet high : flowers numerous, white. When bruised, it emits 

 a smell like garlic : it is bitter and acrid, and has been used as salad. 

 Annual : flowers in May : grows among rubbish, and by hedges and 

 walls : common. Eng. Bot. vol. xii. pi. 796. Eng. Fl. vol. iii. p. 201. 



981. 



3. E. orientdle. Hare's-ear. Treacle Mustard. Leaves elliptical, 

 heart-shaped at the base, clasping the stem ; root-leaves inversely egg- 

 shaped, all smooth, glaucous, entire. Stem from one to two feet high : 



flowers cream-coloured, in a loose corymbose cluster. Annual : flowers 

 in June : grows in fields and on rocks near the sea, in the south-east of 

 England: rare. Eng. Bot. vol. rxvi. pi. 1804 : Brassica oriental. Eng. 

 Fl. vol. iii. p. 202. 982. 



23. HE'SPERIS. DAME'S-VIOLET. 



Calyx of four oblong, obtuse, deciduous leaves, lying over each 

 other at the upper part ; two opposite ones protuberant at the 

 base. Petals inversely egg-shaped, obtuse or slightly notched, ob- 

 liquely spreading ; claws linear, erect, channelled, as long as the 

 calyx. Filaments thread-shaped, erect, simple, the two shorter 

 with a gland at their base internally ; anthers linear. Germen 

 four-sided, linear, as long as the calyx. Style very short ; stigma 

 of two erect, obtuse, downy lobes. Pod linear, four-sided, striated, 

 with protuberances raised by the seeds ; partitions membranous. 

 Seeds oblong, pendulous, in one row. Name, from Hesperus, the 

 evening. 336. 



1. M. matrondlis. Dame's-violet. Leaves between egg-shaped and 

 lance-shaped, toothed ; stem erect, slightly branched ; pods nearly erect, 

 smooth. From one to two feet high : flowers pale-purplish, sweet- 

 scented, especially in the evening. Perennial : flowers in .May and June : 

 grows on banks and in bushy places : not common. Eng. Bat. vol. xi. 

 pi. 731 : Hesperis inodora. Eng. Fl. vol. iii. p. 207. 983. 



24. CHEIRA'NTHUS. WALL-FLOWER. 



Calyx of four oblong, concave, erect, deciduous leaves, two 

 opposite ones protuberant at the base. Petals inversely egg- 

 shaped, spreading, with erect claws, as long as the calyx. Fila- 

 ments awl-shaped, the two outer embraced at the base by a gland ; 

 anthers arrow-shaped, acute, of two linear lobes. Germen linear, 

 compressed, as long as the stamens. Style short; stigma more 

 or less two-lobed. Pod linear, compressed, two-edged ; valves 

 straight ; partition membranous. Seeds egg-shaped, compressed, 

 arranged alternately in one row. Name derived from an Arabic 

 word, applied to another plant. 337. 



1. Ch. Cheiri. Wild Wall-flower. Stem shrubby with angular 



branches; leaves lance-shaped, acute, hoary beneath. Stem bushy, 



from one to two feet high : flowers large, with rich yellow petals. Pe- 

 rennial : flowers in May and June : grows on old buildings and high 

 walls: common. Eng. Bot. vol. xxvii. pi. 1934: C. fruticulo$us. Eng. 

 Fl. vol. iii. p. 203. 



