Sentence:  Now the thing for us to do is to find ourselves <WSD>a</WSD> couple of those wonderful flowering currants such as the red Ribes sanguineum of our Pacific Northwest , or otherwise a good sloe tree , or perhaps some nice pussy willow in bloom , preferably one with male or staminate catkins . 
Meaning of the word marked with <WSD> tags:  more than one but indefinitely small in number