Validation of Pycreus polystachyos var. brevispiculatus (Cyperaceae)
短多穗扁莎（莎草科）的合格发表

A new variety,Pycreus polystachyos (Rottb.) P.Beauv.var.brevispiculatus How ex Y.F.Deng,is validly published here.It differs from var.polystachyos in its culms 8~15 cm tall,anthela rays abbreviated or nearly absent,spikelets many,congested into nearly a head,4~7 mm,6~14-flowered,scales brown or yellowish-brown.