406 ORD. XXIII. Siliquose. 
ERYSIMUM OFFICINALE. HEDGE MUSTARD. 
SYNONYMA. Erysimum. Pharm. Geoff. tii, 444. Dale. 203. 
Alston. ti. 135. Lewis. 289. Cullen. ii. 166. Edinb. New Disp. 
186. Murray. ii.315. Bergius. 561. Hall. 478. Erysimum 
vulgare. Bauh. Pin. 100. Erysimum Dioscorides Lobelii. Ger. 
Emac. 254. Irio sive Erysimum vulgare. Park. Theat. 835. 
Eruca siliqua cauli appressa, Erysimum dicta. Ray. Hist. 810. 
Synop. 298. Erysimum officinale. Hudson. Ang. 286. Wither. 
Bot. Arr. 695. Ic. Flor. Dan. 560, Curt. Flor. Lond. 
- Tetradynamia Siliquosa. Lin. Gen. Plant. 814. 
Gen. Ch. Siliqua columnaris, exacté tetraédra. Cal. clausus. 
Sp. Ch. E. siliquis spice adpressis, foliis runcinatis, 
ROOT annual, tapering, furnished with long fibres. Stalk from 
one to two feet in height, erect, round, branched, hairy, Leaves 
on footstalks, rough, downy, pinnatifid segments, opposite, ovate, 
toothed, terminal one the largest. Flowers yellow, small, placed 
in long racemi or spikes. Calyx of four leafits, which are ovate, 
narrow, blunt, hairy. Corolla composed of four petals, placed 
oppositely, inversely ovate, standing upon long claws. Filaments 
six, tapering, two of which are shorter than the others, and 
having at the base two nectarious glands. Antherz heart-shaped, 
Germen cylindrical, striated. Stigma roundish, compressed, 
notched, Pods nearly conical, obscurely quadrangular, hairy, 
pressed to the stalk. Seeds of a dingy yellow colour, obliquely 
truncated at eachjend. 
It is common on dry banks and waste places, and flowers from 
June till September. 
ee ee 
ae aut 
