'Roltbollia incurvata' definitions:
Definition of 'Roltbollia incurvata'
- Hard grass \Hard" grass`\ (gr[.a]s`). (Bot.)
A name given to several different grasses, especially to the
{Roltb["o]llia incurvata}, and to the species of Aegilops,
from one of which it is contended that wheat has been
derived.
[1913 Webster]
