McArdle — On the Hepatme of the Dingle Peninsula. 325 



Genus 34. — Pellia, Eaddi. 



1. Pellia epiphylla, Linn. Jung er mania epiphylla, Linn, Sp., pi. 1, 



ed. 2, p. 1135 ; Hook. Brit. Jung., t. 47, figures 1, 4, 8, 17. 



Hah. On moist clay banks and on boggy places, from sea 

 level to high, elevations ; common. 



Var. endivifolia, Dicks. Jungermania eyidivcefolia, Dicks, 

 Crypt 4, p. 19 ; Fronds elongated, broadly linear, fruit 

 terminal and lateral. 



ILah. On wet rocks, Connor hill, Lett and McA., 1897. 



2. Pellia calycina, I^ees, Eur., Leb. 3, p. 386. Jungermania epiphylla, 



yox. furcigera, Eook. Brit. Jung., t. 47, fig. 18, et 2, 3, 9, 10, 

 12. 



Uah. In rocky wet places, often submerged. Mount 

 Brandon, F.W.M. and D. McA., September, 1897; Lough- 

 anscaul, on wet rocks, Lett and McA., September, 1898. 



Sub-tribe. — Metzgerie^. 

 Genus 35. — Metzgeeia, Raddi. 



1. Metzgeria furcata, Linn, Jimgermania furcata, Linn. Sp., 



pi. 1602: Hook. Brit. Jung., t. 55-56; Moore, Irish Hep., 

 p. 665 ; Lindberg, Monog. Mitzg., p. 35. 



Sal. On the trunks of trees, on rocks and banks ; common. 



Var. ceruginosa, Hook. Iletzgeria furcata, var. fruticulosa, 

 Lindberg, Monog. Metzg., p. 40, Tufts minute, crisped, of 

 a bright green colour, fronds flat, upper half digitately ramose 

 ascending, the apex reduced to the nerve of a striking blueish 

 colour, fruit unknown ; it may be a distinct species. 



Sai. On the trunks of trees. Woods between Dingle and 

 Yentry, D. McA., 1894. Burnham Wood, D. McA., 1894. 

 On trees at the river-bank, Ventry, D. McA., 1894. 



2. Ifetzgeria hamata, Lindberg. Jungermania dichotoma, Swz. irss., 



p. nee. Prod., nee, PL, Ind. occ. ; Met%geria hamata, Lindberg, 

 Monog. Metz., p. 25, fig. 5. 



Hah. On the ground on damp mossy banks, and by the 

 sides of streams, often jsubmerged. A very fine species. In 

 Irish specimens fruit unknown, easily detected by large size 

 mode of growth, and above all by the remarkable marginal 



