surrounding outbuildings, are of many periods, right back to Chaucerian times. It was owned by Countess Guda at the times of the Domesday Book and then the notorious Sir Edward Seymour otherwise known as Edward the Protector. Bylsborough Just north of Furners's Lane is Bylsborough (). It was once a hamlet, but is now reduced to a big house, outbuildings and an old cottage. It is a Grade II Listed Building. In front of the house is a giant sweet chestnut pollard. Streams There are two notable streams in the parish. The Cutler's Brook runs through the parish to its north. It is a tributary of the River Adur that rises near Clayton. It then runs through Hurstpierpoint, south of Albourne and north of Woodhouse Wood, north of Henfield and joins the Adur at Betley Bridge. The Pokerlee Stream runs through the south of parish. It then runs into Henfield and into the Beeding Brooks where it joins the River Adur. It runs through an area called the Moors (), which is a low plain with some unimproved wet rush pastures. There is Gorse and Birch in the fence lines and Bog Pondweed in two ditches. To the north of the Moors is a pony grazed western fields behind the Swains Farm Shop hold a large and well managed population of the rare Meadow Thistle in Sussex, with a fine display of heath spotted orchid, lousewort, tormentil, ragged robin, marsh pennywort and at least six sedges. Woodhouse Wood Woodhouse Wood () is a remote and quiet wood west of Blackstone Bridge. It is carpeted with bluebells and has stand of oak maidens. It benefits from the Cutler's brooks and in spring is busy with bumblebees, beetles, nibbling caterpillars and banded demoiselles flying in from the water. There is the impressive cotton wool gall, Andricus quercus ramuli, on the oaks there, accompanied by the metallic green gall wasps which are scarcely 2mm long.:172 The Alders The Alders woods (), known locally as the "Bluebell Wood", are mostly wet carr, but are carpetted by Bluebells on the northern rising ground. On the east side of The Alders was a small but lovely marsh () with heath spotted orchid, marsh cinquefoil, narrow buckler fern and water purslane. More recently it has become overgrown with Bramble and young saplings and the Rampion Wind Farm cable runs along its eastern edge.:173 West Wood West Wood