CALTM A — HELLEBORUS. 2 5 1 



Caltha palustris L. British type. Native. Area general. 

 Range 0-750. Common in watery places, ascending to the 

 springs which issue from the Main Limestone of Mickle Fell. 



Eranthis hyemalis Salisb. Alien. A casual straggler from 

 garden cultivation. A native of Italy and the south-west of 

 France. 



Trollius europaeus L. Scottish type. Native. Montane. 

 Area 987.5432. Range 0-700. Watery places, frequent 

 in the western dales, especially about the streams, ascending to 

 the limestone plateau of Kisdon, and the northern slope of Mickle 

 Fell. In the Central Valley at Croft, Bedale, Burniston, Camp- 

 hill, Aisenby, Sandhutton, and Stockton-on-Tees. In the Vale 

 of Mowbray behind Mount St. John. In Cleveland at Stokesley, 

 and in Goathland-dale and Eskdale. Amongst the eastern hills 

 in Snilesworth, Beckdale, Wrelton Woods near Pickering, and 

 the lower part of the dale of Rye. In the Howardian tract at 

 Terrington, Wiganthorp, Hovingham, and Castle Howard, and 

 in the Vale of Pickering at Ryton Bridge. 



Helleborus viridis L. Germanic type. Native. Xero- 

 philous. Area 987.3. Range 50-250. About the Swale at 

 Brompton, and in a pasture at Kirkby Fleetham. In the Yore 

 district at Spennithorne ; and about the Magnesian Limestone 

 at Picrcebridge and Tanfield. East end of Leyburn Shawl ; 

 JV. Home. Pasture about a quarter of a mile S.E. of Thorcsby 

 Green, Carperby ; J. Percival. In the dales of the eastern cal- 

 careous range in numerous stations ; Rievaulx, Beckdale, Wass 

 Woods, Dowthwaite Dale, Forge Valley, and in the Howardian 

 tract at Coneysthorpe, in Mowthorp Dale, and at Spittle Hill 

 near Malton. A plant of the aboriginal woods of the calcareous 

 dales, where it grows with Actcea, Aquilegia, Melica 7iutatis, 

 Rubus saxatilis, etc., and a characteristic example of the Xero- 

 philous role of distribution. 



Helleborus foetidus 1^. Germanic type. Denizen. Area 

 2. Range 50. Apparently indigenous at Brompton near 

 Northallerton, where it grows plentifully in Fullerker Lane and 



Aug. i88q. 



