any help appreciated with last few .
( assuming my others are correct ,which is by no means certain )
49a) an insurer to whom a wreck has been left .
A?A???N?E
50d) plant such as woad used for colouring
??E?S WEED
100d) involving inductive reasoning ( logic ) 1,10
A ?S?T???O?I
124a) a retraction of a former statement (11)
????N?A/??N