Note 14 — Chapter VI
Reading edition
A. Lang, Die Bastarde von H. hortensis Muller H. nemoralis L. Jena, G. Fischer, 1908; with a fine coloured plate showing the varieties of the species and their hybrids.
Reading edition
A. Lang, Die Bastarde von H. hortensis Muller H. nemoralis L. Jena, G. Fischer, 1908; with a fine coloured plate showing the varieties of the species and their hybrids.