Agricultural Weeds. 
Agricultural Weeds. 
365 
6. DURATION. 
6. HABIT OF GROWTH. 
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VOL. XVI. 
REMARK?. 
All occur as agrai-ians, and usually mark tolerable 
soils ; the A. cotula is frequeut about manure 
heaps. 
flMost frequent in sandy soils, where it penetrates. 
\ to a great depth. 
Mostly about hedges and gardens. 
On clover ; mostly introduced -with seed. 
On flax ; always introduced. 
A common corn-field denizen. 
Common, especially in sand}' situations. 
Common in corn-fields. 
A common limestone weed. 
On clovers, having a bulbous base, into which is 
sent a spur of the clover root. 
On hemp roots in Norfolk and Suffolk. 
Common agrarian weeds, especially in soils that 
have been long in cultivation. 
Mostly in upland corn-fields. 
Very common in the Midland Counties. 
Frequent in corn-fields. 
I Abundant in corn-fields in the Midland Counties, 
usually growing together. 
Often in hedges and corn-fields. 
Very common in calcareous corn-fields. 
Common in stiff soils. 
Frequent in corn-fields in calcareous soil. 
In sandy corn-fields in Yorkshire. 
A plant of calcareous soils. 
A very common weed on the sandlands of Cheshire. 
A common agrarian plant. 
An abundant garden weed. 
Everywhere in waste places and way-sides. 
Frequent in corn-fields and gardens. 
Very general in old seeds ; a common hedge plant. 
A plentiful Cotteswold native on oolite. 
Abundant in old seeds on thin soils. 
Everywhere under agrarian circumstances. 
Common everywhere ; in corners of meadows. 
Most abundant on stiff clays, as lias, &e. 
Everywhere; P. major, a large variety, occurs 
much on limestones. 
In rich cultivated soil ; always with turnips. 
Common in cultivated districts. 
A troublesome agrarian weed. 
Occurs in patches in lowland pastures. 
Common in waste places, and amid crops. 
Common in moist meadows. 
Too frequent in waste pi aces and with neglected crops 
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