A natural history of British grasses . Switzerland. Stem upright, circular, and polished, having three or fourflat, linear, acute, hairy leaves, with striated sheaths. Uppersheath downy, having a short, blunt, ragged ligule; lowersheath hairy, the hairs pointing downwards. Joints four,smooth. Inflorescence racemed. Raceme upright and compact. 172 BROMUS DIANDRUS. Spikelets commencing direct from the rachis, on short footstalks,the basal ones mostly in twos or threes; generally of eightawned florets, brownish purple in colour. Calyx of two un-equal acute glumes. Upper one three-ribbed, lower on


A natural history of British grasses . Switzerland. Stem upright, circular, and polished, having three or fourflat, linear, acute, hairy leaves, with striated sheaths. Uppersheath downy, having a short, blunt, ragged ligule; lowersheath hairy, the hairs pointing downwards. Joints four,smooth. Inflorescence racemed. Raceme upright and compact. 172 BROMUS DIANDRUS. Spikelets commencing direct from the rachis, on short footstalks,the basal ones mostly in twos or threes; generally of eightawned florets, brownish purple in colour. Calyx of two un-equal acute glumes. Upper one three-ribbed, lower onedestitute of lateral ribs. Florets of two palese, the exterior oneof basal floret bifid, membranous, and extending beyond thecalyx, seven-ribbed, the two marginal ribs on either side ap-proximate, central rib dentate. Length from six to twelve annual and fibrous. Flowers towards the end of June, and ripens its seed at theend of July. The specimen illustrated was gathered at Bristol, by Sidebotham, of


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Keywords: ., bookcentury1800, bookdecade1850, bookpublisherlondo, bookyear1858