161 
DATE. 
1540. Polystichum lobatum, 
Presl. 
Woods and banks from Orkney south¬ 
wards. 
Distrib. Europe, W. Asia, N. America, 
etc. 
Sp. Rokeby, Yorks. ... ... ... 1822 ... 
Malham ,, 
Ripon ,, ... ... ... 1800 ... 
Hackfall, near Ripon, Yorks. ... 1824 ... 
COLLECTOR. 
S. Hailstone 
M. Birkbeck 
W. Brunton 
Rev. J. Dalton ... 
1541. Polystichum aculeatum, 
Syme. 
Sp. Yordas Cave, Ingleton, Yorks. ... 1898 
Rokeby, Yorks. 
Wetherby Grange, Yorks. 
Caldron Snout, Teesdale 
Coxwold, Yorks. 
1840 
1833 
1820 
1892 
H. J. Wilkinson 
S. Hailstone 
M • • • 
W. J. Hooker ... 
H. J. Wilkinson... 
1542. Polystichum angulare, 
Presl. 
Distrib. As P. lobatum. 
Sp>. Coxwold (Wass), Yorks. . . ... 1892 ... H. J. Wilkinson ... 
1543. Lastraea Thelypteris, 
Presl. 
Bogs and marshes from Forfar south- 
tv ards. 
Distrib. Europe, N. and S. Africa, 
Siberia, Himalaya, N. America, 
New Zealand. 
Sp. The Pulfin, river Hull, Yorks. ... 1896 ... J. Fraser Robinson 
Askham Bogs, near York ... ... 1806 ... S. Hailstoue 
,, ,, ,, ... ... 1890 ... H. J. Wilkinson ... 
1544. Lastraea Oreopteris, 
Desv. 
Principally in mountain districts. 
Distfib. Europe, W. Asia. 
Sp. Castle Howard, Yorks. 
Stockton Common, near York 
Ambleside, Westmorland 
Sawley Moor, near Ripon, Yorks. 
• • • 
1786 ... 
1820 ... 
1836 ... 
1790 ... 
R. Teesdale 
W. Middleton ... 
S. Hailstone 
Rev. J. Dalton ... 
HERBARIUM. 
S. Hailstone 
y y 
Rev. J. Dalton 
>} 
H. J. Wilkinson 
S. Hailstone 
5 5 
Rev. J. Dalton 
H. J. Wilkinson 
H. J. Wilkinson 
H. J. Wilkinson 
S. Hailstone 
H. J. Wilkinson 
Rev. J. Dalton 
W. Middleton 
S. Hailstone 
Rev. J. Dalton 
