000 00289 am a2200121 a 4500
100 1 _aHowitt, J.E.
245 1 _aWeeds of Ontario
260 _aToronto
_c1911
300 _a1-144 p.
942 _2udc
_cB
440 _aWeeds Ontario Agricultural College. Bulletin No. 188
901 _aS53397
999 _c111267
_d111267