310 Proceedings of the Royal Irish Academy. 



Genus 16. — ADELANTnrs, Mitten, 



1. Adehnthus decipiens^ Hook, Mitt. Junyerma7iia deeipiens, B.ook. 

 Brit. Jung., t. 50. Moore, Irish HepaticEe, p. 658. 



JIab. On damp rocks and on peaty banks, and among tlie larger 

 Hepaticse. Connor hill, F. W. M. and D. McA., 1881 ; at the 

 foot of Mount Brandon, KE. side, D. McA., 1875. F. W. M. 

 andD. McA., 1881; Derrymore glen, Lett and McA., May, 

 1899; Lough DulS, Lett and McA., 1899. Yeiy fine on rocks 

 between Emalough and Inch, Lett and McA., 1899. 



Genus 17. — Hygeobiella, Spruce. 



1. Hyyroliella laxifolia, Hook. Junyermania laxifolia, Kook. Brit. 

 Jung., t. 56. Moore, Irish Hep., p. 653. Spruce on Cepha- 

 lozia, &c., p. 74. 



Jff^ah. In the crevices of moist rocks in mountainous places. 

 Maghanabo glen. Dr. Moore. Mount Brandon, Dr. Moore. 

 Connor hill, D. McA., 1875. An extremely rare species, not 

 seen recently. 



Sub-tribe. — Scapanoideje. 

 Genus 18. — Scapa^'^ia, Dumort. 



1. Scapania co})ipacia, Diimoi't. Ju7iy er mania com2)acta,'Ro\h.. Germ. 



3, p. 375. J. resvpinata Hook. Brit. Jung., excellent figure, t. 23. 

 Moore, Irish Hep., p. 637. 



Hal. On banks among heaths. Mount Brandon, Dr. Moore. 

 Connor hill, F. W. M. andD. McA., April, 1897 ; very rare. 



2. Bcapania resupinata, L. Dumort. Junyer mania resujnnata^ Linn 



Sp. PI. 1599. Eng. Bot., t. 2437. Moore, Irish Hepat., p. 640. 

 Hah. On banks, rocks, heathy places, and on the trunks of 

 trees. Very common in the peninsula, from sea level to the 

 summit of Mount Brandon. At Anascaul it assumes large 

 dimensions. A very minute form is found on the trunks of trees 

 near the ground, and among moist rocks, which must not be 

 confounded with Bcapania curta, which it closely resembles ; 

 forms are found ranging fi'om a quarter of an inch upwards, 



3. Scapania nemorosa, L. Dumort. Junyermania nemorosa, Linn Sp. 



PI. ed. 3, p. 1598. Hook. Brit. Jung., t. 21. 



