56 
tfialiann. 
Iyrata« 
falcata. 
TETRADYNAMIA, SILIQUOSA, 
Officinale Hedge-mustard. 
A straggling plant, with very small yellow flowers, and a 
hot pungent taste. About a foot or two feet high. Oh the 
borders of fields and along fences, every where common. 
Annual. July. 
303. ARABIS. Gen. pi. 1049. {Crucifer<£.) 
Silique linear (mostly compressed) crowned 
with the subsessile stigma; valves venose 
or nerved. Seeds disposed in a single se- 
ries. Cotyledones accumhent. Calix erect. 
— a. Brown. Hort. Kew. 4. p. 104. 
1. A. radical leaves oblong, petiolate ; stem leaves 
lanceolate, sessile; stem erect, hairy at the 
base ; petals twice the length of the calix. — 
Willd. 
Icon. Curt. FI. Lond. 2. t. 49. 
Mouse-ear Wall-cress or Turkey-pod. 
From six to ten inches high. Flowers small, white. In sandy 
fields, woods and road-sides, every where common. Annual, 
April till July. 
A. leaves glabrous, radical ones lyrate, those 
of the stem linear. — Willd. 
Lyre4eaved Wall-cress. 
About the size of the preceding, but has much larger flow- 
ers^ — also white On all the high rocks of the neighbourhood, 
at the roots of trees in the woods of Jersey, and in fields and 
diy road-sides, every where abundant. It flowers often when 
snow is on the ground in March, and continues in bloom till 
July. Annual. 
3. A. leaves lanceolate, narrow at each end, re- 
motely dentate, hastate-sessile; siliques pendu- 
lous, two-edged, scythe-shaped. — Mich. 
A. Canadensis, Mich. 
