Haiku position within the verse, it may briefly cut the stream of thought, suggesting a parallel between the preceding and following phrases, or it may provide a dignified ending, concluding the verse with a heightened sense of closure. The fundamental aesthetic quality of both hokku and haiku is that it is internally sufficient, independent of context, and will bear consideration as a complete work. The "kireji" lends the verse structural support, allowing it to stand as an independent poem. The use of "kireji" distinguishes haiku and hokku from second and subsequent verses of renku; which may employ semantic and syntactic disjuncture,
Haiku theoretician F. S. Flint, who passed on Couchoud's ideas to other members of the proto-Imagist Poets' Club such as Ezra Pound. Amy Lowell made a trip to London to meet Pound and find out about haiku. She returned to the United States where she worked to interest others in this "new" form. Haiku subsequently had a considerable influence on Imagists in the 1910s, notably Pound's "In a Station of the Metro" of 1913, but, notwithstanding several efforts by Yone Noguchi to explain "the hokku spirit", there was as yet little understanding of the form and its history. R. H. Blyth