Commercial Divisions. Botanical Characteristics of Trees,
etc. 27
_a._ White Ash (Fraxinus americana) 29
_b._ Red Ash (Fraxinus pubescens) 30
_c._ Blue Ash (Fraxinus quadrangulata) 31
_d._ Black Ash (Fraxinus nigra) 32
_e._ Green Ash (Fraxinus viridis) 33
_f._ Oregon Ash (Fraxinus oregona) 34
ELM (Ulmus).