Sentence:  This stopping point is imposed by an authority: the traditional idea of philosophy (which Heidegger will later name "metaphysics"). Related to the <WSD>discrimens</WSD> of the phenomenological — to consider not the phenomena, but the "mode of their exposition ["Art ihrer Aufiveisung"] " — one must therefore conclude — as violent as the paradox may seem — that Husserl's phenomenology remains unphenomenological: "In the basic task of determining its ownmost field, therefore, phenomenology is unphenomenological ["unphänomenologisch"]! — that is to say, phenomenological only in intention ["vermeintlich phänomenologisch"]! 
Meaning of the word marked with <WSD> tags:  A distinction, particularity, or distinguishing feature.