Ivanhoe Park   Someone’s made a rose garden, the swings are plastic now But oh, I remember the smell of the grass As memory clicks over into childhood. Ivanhoe, the land of the two Walters: Scott scored the street names, Burley Griffin the design— More than assisted by his wife Marion. Garden suburb streetscapes and the medieval dreamings Of a Regency mind. No confusion for a child in that but the grown ups Showed the strain. The metal monkey bars are gone, The ones I showed off on that fine day. One of the big kids, Having dared me, rattled…