Article Title
Abstract
It is becoming increasingly more apparent that for the solution of many of the difficult problems in the field of taxonomy, we must take into consideration the work of the cytologist. A very large number of what we may call cytological-taxonomic studies have appeared during the past decade. These have thrown much light upon such taxonomic problems as the origin, evolution , and relationship of a species within polymorphic genera; the determination of the limits of subgenera and of variable species with numerous supposed variations, and the probable relationship of supposed natural hybrids.
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