There is a need to modify DNA extraction methods to obtain amplifiable DNA from herbarium specimens that are relatively old –– we explored several methods to improve both quality and quantity of DNA obtained from a range of specimens of Asteraceae. Leaf tissue was sampled from herbarium specimens of varying ages. Modifications were made to the Qiagen DNeasy® Plant Mini Kit and the CTAB Extracti...

This article outlines the shortcomings found in two well-known syntax-based typologies of internally headed relative constructions (IHRCs), and demonstrates the benefits of a typology that relies on the syntax-semantics interface and takes semantics seriously into account. It is argued that the latter approach yields a more revealing and empirically superior typology of IHRCs. 1. Introductory R...