45 
Fruit (“ pod’’) several times as long as it is wide. 
Lower leaves about as wide as they are long, toothed 
( round the margin. i 
Allia'ria officinalis. Y¥ack-by-the-hedge? 
Lower leaves longer than they are wide. 
Leaves all divided to the mid-rib (or nearly). 
-Pod slender, the seeds in one row ; petals scarcely~ 
| spreading (or absent). 
| Cardami'ne” 
“Pod rather turgid when ripe, seeds in two rows ;~ 
| petals spreading wide. | 
Nastur’tium officinale. Watercress. 
~Leaves on the stem not deeply divided. 
All the leaves quite entire and without any 
‘ hairs. 
Erysimum orientale /Hare’s-ear. 
~Lower leaves (at least) toothed, or lobed, or 
hairy. 
Ar’abis. 
Noe) og ees 
Pratt not 4 times as long as it is wide. 
Leaves all cut into narrow segments or leaflets. 
Fruit longer than it is wide, smooth, without ridges~ 
[ or wrinkles. | 
| Hutchin’'sia petre’a.” 
~Fruit wider than it is long, covered with little ridges. 
or wrinkles. 
Upper leaves not deeply cut, entire or toothed. 
Fruit with one large seed only in each half of the 
f short pod. } 
Lepid ium. 
Crrail with several seeds in each half. 
cleaves not hairy, either long (6 to 18 inches) and 
| harsh, or small and smooth. } 
Cochlea ria. 
~Leaves hairy or downy. 
eas narrow, entire; fruit almost as wide as it 
a) 
is long. J 
q Alys’sum. 
Leaves short and wide, toothed ; fruit a good 
deal longer than it is wide. } 
Dra'ba. 
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