SUB-SECTION LASTREA. 
129 
about 3,000 feet. Usually an inhabitant of hillsides, especially in 
mountain districts ; luxuriating in strong soil in damp situations. 
An easily recognised species, with lanceolate, pinnate fronds. Sori 
marginal. Fronds varying from 1 to more than 3 feet in length, 
and from 2 inches to nearly a foot in width. Erect in habit. A 
deciduous fern, requiring a damp situation for successful cultiva- 
tion. A common species in this country, and found throughout 
Europe. Of late years a number of varieties have been dis- 
covered, the late Mr. Barnes, of Milnthorpe, being the most 
successful discoverer as well as cultivator. 
Varieties. 
1. abruptum, Moore. An interesting variety, found at Barnstaple 
by the late Mr. C. Jackson. Pinnae narrow and short, pinnules 
interrupted. 
2. albo-variegatum, Barnes. Found in 1872, in Wastdale, by 
Mr. J. M. Barnes. Fronds green and white. 
3. angustifrons, Wollaston. Found in Patterdale by Mr. G. 
Whitwell. 
4. angustum, Wollaston. Found at Staveley by Mr. J. West- 
lake. 
5. apuaeforme, Moore. Found in 1865, in Swindale, by Mr. 
J. M. Barnes. Apex of frond many branched. 
6. attenuato-cristatum, Moore. Found in 1865, in Mardale, by 
Mr. J. M. Barnes. A handsome robust form, with caudate and 
crested fronds. 
7. Barnesii, Moore (adpressa, Wollaston). Found in 1865, in 
Swindale, by Mr. J. M. Barnes. A grand, bold, dark-green variety, 
with erect fronds which are very narrow ; pinnules horizontal. 
Length, 26 inches ; width (at widest), only 2j inches. 
8. Bellii, Lowe (crispum Bell, Batnes). Found at Coniston by 
Mr. Bell. 
9. Boydii, Lowe (plumosum Boyd, Barnes). Length, feet. 
10. brevilobum, Moore. Found in 1864, in Mardale. A distinct 
and beautiful form, with pinnules evenly reduced. 
11. caudato-cristatum, Barnes. Found in 1863, at Rydal Head, 
by Mr. Crouch. Robust ; very caudate. Small crests. 
12. caudatum, Moore. Found in 1868, in Mardale and Wast- 
dale, by the late Mr. J. K. Hodgson. The frond and pinnae con- 
spicuously caudate. 
13. Clowesii, Lowe. Found near Windermere by Mr. J. Hud- 
dart. Pinnae digitate ; apex of frond crested. 
14. concinnatum, Barnes. Found in 1866, on Loughrigg, by 
Mr. W. Crouch. An interesting variety, the points of the pinnae 
like ringlets. 
15. congestum, Barnes. Found in 1873, in Langdale, by Mr. 
J. M. Barnes. A fine variety ; densely foliose. 
16. coronans, Moore. Found in 1872, in Langdale, by Mr. J. M. 
Barnes. The best heavily crested variety. Length, i£ feet. 
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