THE HAY-SCENTED BUCKLER FERN. 105 



\V r orcester, and York. In Wales, in the counties of 

 Anglesea, Brecknock, Caermarthen, Caernarvon, Car- 

 digan, Denbigh, Flint, Glamorgan, Merioneth, Pembroke, 

 and Radnor. In Scotland, in the counties of Aberdeen, 

 Argle, Ayr, Banff, Berwick, Caithness, Clackmannan, 

 Dumbarton, Edinburgh, Elgin, Fife, Forfar, Haddington, 

 Inverness, Kincardine, Kinross, Lanark, Linlithgow, 

 Orkney, Perth, Renfrew, Ross, Roxburgh, Stirling, and 

 Sutherland; also in the islands of Arran, Cantyre, Harris, 

 Islay, Lewis, and Uist. In Ireland, in the counties of 

 Clare, Cork, Down, Dublin, Galway, and Kilkenny ; in 

 King's County, Limerick, Tipperary, Waterford, and 

 VVicklow. In Jersey and Guernsey. It grows from the 

 sea-level to three thousand seven hundred feet above it. 



XXXII. THE HAY-SCENTED BUCKLER FERN. 



Lastrea, recurva. 

 (Plate VI., Fig. 2, page 59.) 



LENGTH OF FROND. One foot to two feet. 



GENERAL DESCRIPTION. Roots abundant, wiry, fibrous. 

 Rootstock, a tufted cormus, whose crown is slightly raised 

 above the soil. Fronds strongly resembling in general 

 form except in the matter of size those of Lastrea 

 dilatata. Stipes varying in length, but frequently about 

 as long as the leafy part, scattered over near its base, and 

 also in a less degree higher up, with a few dark or 

 muddy-brown scales ; leafy part triangular, tripinnate in 

 its lower part and bipinnate above ; pinnae opposite or 

 alternate, lower ones also triangular, succeeding ones 

 above becoming narrower and narrower towards the 

 apex of the frond ; pinnules alternate on the secondary 



