1. In a longitudinally collapsible umbrella comprising, in combination, a telescopic stick including a plurality of elongated sections, a lower handle, primary slide, auxiliary slide and head piece in series on said telescopic stick from the lower end thereof, said primary slide including latch means for retaining the umbrella in an erected condition and permitting longitudinal collapse; dome ribs, a canopy, primary struts and auxiliary struts operatively mounted on said head piece, primary and auxiliary slides, the improvement wherein: said primary slide includes diametrically opposed arms extending laterally from a depending sleeve, said arms including outwardly opening guide means for receiving a group of dome ribs and orienting them parallel to the telescopic stick, said handle including upwardly opening recesses in substantial longitudinal alignment with said grouped dome ribs for receiving the tips thereof when the umbrella is collapsed, said guide means of said arms comprising divergent bifurcations opening outwardly for guiding the dome ribs into compact aligned groups.