Bromus interruptus, (Hackel) Druce

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1980, Flora Europaea. Volume 5. Alismataceae to Orchidaceae (Monocotyledones), Cambridge: Cambridge University Press : 187

28. B. interruptus (Hackel) Druce , Jour. Bot. (London) 33: 344 (1895).

Sometimes biennial; stems 20-100 cm, erect. Leaf-sheaths hairy. Panicle 2-8 cm, narrow, stiffly erect, usually interrupted; spikelets 10-17 mm, broadly ovoid, with 5-10 florets, hairy, subsessile, often densely clustered in threes, the florets crowded and closely imbricate. Lemma 7-5-9 mm, chartaceous, with prominent veins, rounded or very bluntly angled on the margins; awn 3-8 mm, straight or flexuous. Palea shorter than lemma, 2- fid almost to the base. Anthers 1-1-5 mm. Grain shorter than palea. 2« = 28. Formerly among crops of Onobrychis and Trifolium spp. in S. & E. England; now apparently extinct. • fBr.