henwaren.

1682 ‘Mother Greg’ Burgess Ticket Buckhaven 2 Alexander Bryson,..who was admitted and received for Gild-Burgess of the said Burt, with power and libertie to him... To sell and gather Dulse, Tangle, Sea-ware, Hen-ware, Slaack, and Badderlaick.

1808 J. Jamieson Etymol. Dict. Sc. Lang. Hens-ware, Henware, eatable fucus.

1865 P. H. Gosse Land & Sea 63 The henware..a large plant, much resembling the oar-weed, but of paler colour.

1901 A. F. Arnold Sea-beach at Ebb-tide 69 This is an edible alga and is used as food in Scotland and Ireland, where it is called henware, badderlocks, murlins, and so on.

1959 J. Kieran Nat. Hist. New York City iv. 46 Somewhere along the beach we are sure to come on the long narrow blades of Henware (Alaria esculenta), looking amazingly like 7-foot or 8-foot strips of some brown plastic material.

2001 Scotsman (Nexis) 8 Dec. 17 Those seaweeds growing between high and low water mark are known as ‘tang’ whereas those growing at or below low tide are known as ‘ware.’ Tang and ware come in many forms—bow-tang, paddy-tang, prickly tang, mirkle, honey-ware, hen-ware.