CRUCIFERAE. 69 
B. Rapa Ll. Wild Turnip. 
Colonist or Native. FE. On river banks. Locally abundant. B. April- 
May. 
First record, Pilkington, 1789. 
L. Wye Valley; a frequent colonist up to 450 yards, Baker, J.B. A common 
weed of cultivated ground up to 300 yards about Matlock. Forms with both lemon- 
yellow and orange-yellow flowers, B. & N., J.B. Miller’s Dale, Rogers. 
T3. Burton, Hb. Mason. 
Var. silvestris H.C. Wats. 
L. Dovedale, Painter, J.B. R. Wye, Bakewell, Purchas. By the Henmoor 
Brook, Corley. 
G2. Ecclesbourn Brook, near Duffield; R. Derwent, near Little Eaton. 
C. Bank of R. Rother, near Eckington Station, Waterfall. Beighton. 
Tl. Clifton (B.E.C. Rep., 1895, 469); Doveridge; banks of R. Dove about 
Tutbury and Marston. 
T2. Morley, Painter, J.B. Breadsall, Crewe and Whittaker. Side of 
railway and R. Derwent near Borrowash; Thrumpton Ferry; Long Eaton; 
Sawley. 
Var. Briggsii H.C. Wats. 
P. Pleasley. 
B. Sinapioides Roth. Black Mustard,  Sinapis nigra L. 
Native. E. Arable land, river banks. Rather rare. A. June-Aug. 
First record, Pilkington, 1789. 
G2. R. Derwent, Matlock Bridge, B. & N., J.B. 
Tl. Between station and Church, Norbury; Copse Hill, Osmaston-by- 
Ashbourne, Smith MSS. Hollington, near Longford. 
T2. Breadsall, frequent, Crewe and Whittaker. Pinxton, Pilkington. 
T3. Waste ground, Repton, Wild Fl. Rept. 
B. Sinapistrum Boiss.  Charlock. Wild Mustard. Sinapis arvensis ML. 
Brassica Sinapis V. 
Native. B. Arable land. Very common. A. May-Aug. 
First record, Pilkington, 1789. 
A common weed up to 450 yards, Baker, J.B. 
_B. alba Boiss. White Mustard. Sinapis alba L. 
Colonist. EB. Arable land. Rare. A. June-Aug. 
First record, Glover, 1829. 
L. Occasional straggler from gardens at Matlock, B. & N., J.B. 
G2. Field at Kelstedge. 
Tl. Cornfield, Mickleover, Bindley. 
T2. Waste ground near Ockbrook Church, Smith MSS. Breadsall, &c., 
common, Crewe and Whittaker. 
T3. Waste ground, Repton, Wild Fl. Rept. Cauldwell, P.B.M. in Tr. 
Burton. 
