Japan Flora: Diffuse, hirsute or rarely glabrescent an­nual; culms erect, 30-80 cm. long, ascending to creeping from branching base, glabrous; leaf-blades flat, linear, &-20 cm. long, 5-12 mm. wide, glabrous to sparingly hairy, often somewhat glaucous; ligules hyaline, 1-3 mm. long, glabrous; sheaths mostly hirsute; racemes 3-8, ascending to spreading, pale green, often somewhat purplish, 5-15 cm. long; rachis scabrous on margins; spikelets appressed, about 3 mm. long, rather acuminate, lanceolate; first glume deltoid, minute, the second lanceolate, 3/5-2/3 as long as the spikelet, 3-nerved, acumi­nate, pubescent; sterile lemma longer, broadly lanceolate, membranous, pubescent especially toward the margins; fertile lemma lanceolate, herbaceous, acuminate, lead-gray to white, as long as the sterile one. July-Nov. Waste grounds and cultivated fields.

Hokkaido, Honshu, Shikoku, Kyushu; very common and variable. Widespread in warmer regions.

Many specimens with long-ci]iate spikelets often considered to be D. fimbriata Link. but this variant scarcely merits nomenclatural recognition.