page 92 should read "awns 3-6 mm" (not 3-20 mm)
page 417 should read "Seed coat gelatinous when wet." (not gealtinous) Click here to add your own text and edit me. It's easy.
page 95 here is a photo showing the callus of Achnatherum nelsonii ssp. nelsonii showing the sharp callus with an acute boundary to the hairy portionl s