First glume of sessile spikelets with nodulose margins.    From Wordnik.com.  [A Handbook of Some South Indian Grasses] Reference

N.S. (Fig. 116.) Shell rather thick, whirls about seven, all nodulose or.    From Wordnik.com.  [Report of the North-Carolina Geological Survey. Agriculture of the Eastern Counties: Together with Descriptions of the Fossils of the Marl Beds] Reference

N.S. (Fig. 162.) Shell small, thick, tapering from the base; whirls many, and ornamented with two spiral, nodulose ribs.    From Wordnik.com.  [Report of the North-Carolina Geological Survey. Agriculture of the Eastern Counties: Together with Descriptions of the Fossils of the Marl Beds] Reference