Perhaps, very small ones - slowly. (I did use mine to help fell a small (20') conifer once. It was probably slower and harder work than with a bow saw)
Once you have tried a real reciprocating saw with a green wood blade in it, you realised how naff it really is.
Never used a B&D, but I bought a Titan reciprocating saw from Screrwfix for £19:99 on a clearance deal. Excellent machine.
Apparent drawback is the blade change mechanism, which on the Titan uses an allen key. I regard this as a positive. Big problem on reciprocating saws (I've had three) is the blade change system. Allen keys are slow but 100% secure.
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