McArdle — A List of Irish Hepatiae. 495 



Dingle : McA. Burnham Wood, Ventry, 1898 ; bank between 

 Emalough and Inch, 1899 ; old walls about Cloghane and Fermoyle, 

 June 1900 : Lett & McA. Roadside, Connor Hill : McA. 



IV. Altadore Glen, Co. Wicklow (Moore): McA. 1889. Wooden- 

 bridge, Co. Wicklow, 1894 : McA. Damp bank, Ballybeg near Ferns, 

 Oct. 1896 (Greene): McA. 1903. 



Y. In Glasnevin Botanic Gardens, once seen fertile : Moore 

 1876. Eoadside near Finglas bridge, Co. Dublin, Aug. 1894 : Nellie 

 McArdle. Howtb demesne : McA. 1897. Beauparc demesne, Co. 

 Meatb, 1893 : McA. 



YII. Shady places, Geashill Eectory, King's Co., 1890 (Russell): 

 McA. 1892 «. 



X. Ditch bank, Farnham demesne, Co. Cavan, 1893 : McA. 1898. 



XI. Millfield, and behind Batt's Wood, Buncrana, 1902 : Hunter. 



XII. Belfast Botanic Gardens, 1837 : Moore. Drumcro, Co. 

 Down (Waddell), Aghaderg, Co. Down (Lett), moss-hole at Seymour 

 Hill, Co. Antrim, 1806 (Templeton) : Stewart 1895. 



Genus 47. Dumortiera Nees. 

 Dumortiera irrigua Wilson, JSTees. 



Marchantia irrigua Wilson, in Hooker's Brit. FL, vi., 106, no. 5. 

 ITygrophylla irrigua Taylor, in Fl. Hib., pt. ii., p. 54 ; Trans. Linn. 

 Soc, xvii., p. 303, tab. 15. Dumortiera irrigua Wilson, IN'ees, Nat. Eur. 

 Leb., iv., p. 159. Dumortiera hirsuta Swartz, Steph., Sp. Hepat., 

 p. 224. Dumortiera hirsuta Sw., var. irrigua Tayl., Spruce, Hepat. 

 Amaz. et And., p. 566, 1885. Schifln., in Eng. & Prantl, Pflanzenf., 

 91 und 92 Lief., p. 36, 1893. Dumortiera irrigua 'M.ooxe, Irish Hepat., 

 p. 602. Pearson, Hepat. Brit. Isles, p. 477, plate 213. 



Districts I. IV. . 



Hah. — In sheltered rocky places, about waterfalls, and in caverns 

 in the mountain streams. 



I. Blackwater Bridge near Dunkerron, 1820 (Taylor) ; Moore 1876; 

 Scully 1890. Tore Waterfall, Killarney, 1829 (W. WHson) : Moore 

 1876; Lindberg 1875. Plentiful within the spray of this waterfall, 

 Sept. 1897 : McA. &, Lett. Maghanabo Glen near Fermoyle, Co. 

 Kerry, 1829 (_W. Wilson) : Moore 1876 ; also 1875 : McA. ; and May 

 1897 : F. W. M. & McA. On wet rocks in the stream which flows 

 into Loughanscaul, Sept. 1897 : Lett & McA. Ballinahassig Glen near 

 Cork: Power's F. & Fl. Cork, 1844. Dunscombe's Wood near Cork 

 (I. Carroll) : Moore 1876. 



