Environmental Engineering Reference
In-Depth Information
Acuminate Acute Toothed Ciliate
Rounded Truncate
Fig. 1.15. Shape of ligule distinguishes many species. (Drawing by R. Castro.)
Absent Rudimentary Claw-like
Fig. 1.16. Presence and type of auricles is most useful for identifying cool-season
species. (Drawing by R. Castro.)
Rolled Folded
Fig. 1.17. Two types of vernation. (Drawing by R. Castro.)
