This is a troubling collection with examplifies the difficulty in assigning NZ material to either H. stellata or H. ciliata. The upper laminal cells here are mostly 2 papillate rather than unipapillose.
Hair points reflexed or straight: spreading
Hair points entire or "toothed": very weakly toothed
Apical cell shape: mostly truncate/papillose
Number of papillae on most upper laminal cells: mostly 2, becoming 3 or more in lower lamina.
Allan Fife, March 2009