McArdle — A Lht of Irish JIepatic(e. 497 



Order 3. RICCIACE^. 



Genus 50. Riccia Micheli. 



Riccia glauca Linn. 



1. Riccia glauca Linn., Sp. PI., p. 1605, 1753. 



Eng. Bot., tab. 2546. Lindenberg, Monogr. Pace, p. 417, tab. 19. 

 Tayl., in Fl. Hib., pt. ii., p. 70. Moore, Irish Hepat., p. 606. Pear- 

 son, Hepat. Brit. Isles, p. 484, plate 216. 



Districts I. IV. Y. XI. XII. 



^ai. — On damp ground, and on Tret clay banks. 



I. Mud walls, Ross Bay, Killarney : Cai'rington 1863. 



IV. Co. Wicklow: Moore 1878. 



Y. Co. Dublin : Moore 1878. 



XL Wet places beside the Mill River, Buncrana, July 1903, and 

 field near Rathmullen, Sept. 1903 : Hunter. 



XII. Clay bank, Holywood near Belfast, Jan. 1903: Hunter. 

 Colin Glen, and rocks at Bangor : "Waddell in Guide to Belfast, 1902. 



2. Riccia crystallina Linn. 



Ziehen paJustris Dill., Hist. Muse, p. 535, tab. 78, fig. 12, 1741. 

 Riccia crystallina Linn., Sp. PL, 1605, 1753. Pearson, Hepat. Brit. 

 Isles, p. 485, plate 217. 



Districts — XII. 



Hah. — On damp clay in fields, and on wet banks. 



XII. On moist banks near Glenarm and Cusbeudall, Co. Antrim, 

 1836: Moore. 



3. Riccia sorocarpa Biscboff. 



Riccia sorocarpa Biscboff, Hepat. Xov. Act. X. Car., xvii., 

 p. 1053, tab. 71, fig. 11, 1835. Riccia minima Linn., Schiffn., in Engl, 

 und Prantl Pflanzenf., 91 und 92 Lief., p. 15, 1893. Riccia sorocarpa 

 Biscb., Moore, Irish Hepat., p. 606. Pearson, Hepat. Brit. Isles, 

 p. 487, plate 218. 



Districts I. — — — — — — — . 



Hah. — Fissures and tops of old walls. 



On an old wall near Dingle, 1873 (Lindberg & Moore) : Lindberg 

 1875. "Wall top by the roadside leading from Dingle to Ventry, on 

 the Dingle side of the river near the Union Workhouse, Sept. 1898 : 

 Lett & McA. 



