383 
Erophila  prcecox  DC.  Dry  gravelly  ground,  Pells’ 
Nurseries,  Hitchin,  Herts.,  v.c.  20,  Mar.  &  Apl.  1912. 
Sorted  out  and  submitted  to  the  Rev.  E.  S.  Marshall,  who 
considered  them  in  the  main  to  belong  to  this  species. — 
J.E. Little.  Yes,  I  think  so  ( =  brachycarpa  Jord.) C.E.S. 
Sisymbrium  altissimum  L.  (  =  S.  pannonicum  Jacq.). 
A  few  specimens  are  sent  to  record  the  great  extension  of 
area  now  occupied  by  this  species  at  St.  Anne’s-on-the-Sea, 
W.  Lancs.,  v.c.  60,  July  15  &  19,  1912.  When  I  first  found 
this  plant  at  St.  Anne’s,  ten  years  ago,  it  occurred  on  both 
sides  of  the  bridge  over  the  railway  in  St.  Thomas’s  Road, 
but  it  has  now  spread  over  the  district  between  Blackpool 
and  Lytham — Charles  Bailey. 
S.  Loeselii  L.  Waste  heap  of  London  rubbish,  N.  of 
Welwyn  Tunnel,  Herts.,  v.c.  20,  Sept.,  Oct.  &  Nov.  1912.— 
J.  E.  Little.  Yes.— C.E.S. 
Brassica - ?.  Waste  heap  of  London  rubbish,  N.  of 
Welwyn  Tunnel,  Herts.,  v.c.  20,  Nov.  2,  1912.— J.  E.  Little. 
My  sheet  contains  no  ripe  pods  ;  such  are  necessary  for 
naming  nearly  all  Cruciferae.— C.E.S.  This  is  B.  juncea 
Hook.  f.  &  Thoms _ S.T.D. 
B.  Rapa  L..  var.  Briggsii  Wats.  Waste  ground, 
Portishead  Dock,  N.  Somerset,  v.c.  6,  July  1  1909  — 
J.  W.  White.  Yes.-E.S.M. 
B.  adp?  essa  Boiss.  Coast,  near  Vale  Castle,  Guernsey 
July  25,  1912.— W.  C.  Barton.  Yes.— E.S.M. 
B.  arvensis  O.  Kuntze,  var.  orientalis  Asch.  Weed  in 
arable  ground,  Ledbury,  Herefordsh.,  v.c.  36,  Sept.  7,  1912. 
-S.  H.  Bickham.  Yes ;  this  agrees  with  B.  ovieutalis 
Boiss.— S.T.D. 
B.  Erucastrum  Vill.  Waste  ground,  near  Newhaven 
E.  Sussex,  v.c.  14,  Aug.  14,  1912.-R.  S.  Standen.  Correct! 
—S.T.D.  &  E.S.M.  Two  plants  on  my  sheet.  (1)  Rightly 
named.  (2)  Diplotaxis  muralis  DC.,  var.  Babingtonii  Syme. 
— C.E.S. 
Thlaspi  alpestre  L.,  var.  occitayium  (Jord.).  Top  of 
retaining  wall.  Llanrwst,  Carnarvonsh.,  v.c.  49,  June  27 
1912.— Coll.  E.  F.  Linton.  Comm.  S.  H.  Bickham.  This 
