114 Proceedings of the Eoyal Irish Academy. 



at various elevations. The West Eiding has moorland hills up to 2000 

 feet. East Eiding has void chalk hills to 850 feet (cultivated). The 

 North has moorland hills up to 2500 feet. Por this information, and 

 many other valuable hiats as to the identification of critical species, 

 I offer my best thanks to the •n^ell-kno^-n Yorkshire botanist, Mr. 

 M. B. Slater, f.l.s., of Malton ; also to Lord Howth, for granting 

 through his agent, "William Eochfort, Esq., j.p., of Cahir, permission 

 to collect in the demesne. 



1^ asterisk (*) hef&re a name denotes that the species, or variety, is new to 



the Co. Dublin. 



'^ Frullania dilatata, Linn. (Dum.). Proliferous form, bearing leafy 

 shoots on the stems, and leaf margins, which reproduce the 

 plant. Sah. — On rocks by the side of a stream near the Baily 

 Lighthouse, February, 1894. 



1. Lejemiea serpyUifolia (Mich. Dicks.). Libert. Carrington and 



Pearsons, Exic, Xos. 135, 195. Bythe side of a smallstream 

 in the demesne, on stones, and on decaying -wood, plentiful. 

 April, 1895. 



2. ^L^eunea flava, Swartz var. On stones and on the trunks of trees 



in the demesne. April, 1895. 

 Sub-sps. '^•Lejeiinea Moorei = L. Moorei, Lindherg, Act. Soc. Sci. 

 Fenn. x., p. 487. Dr. D. Moore on " Irish Hepaticse,"^ p. 615, 

 "with excellent figure on plate 44. 



3. Lepidozia cv.pressina, Sw. (Dum.). Jungermania reptans, (i. pin- 



nata, Hook. Brit. Jung., t. 75. Z. tionidida, Taylor. On 



peat amongst rocks, Ballykill, April, 1894 ; in the demesne, on 



damp peat, March, 1895. 

 *CephaIozia catenidata, Huben., var. pallida. Spruce. Amongst 



Tetraphis pellucida, Ballykill, bearing perianths, February, 



1894. 

 *Cephalozia divaricata, Smith (Dumort), var. starh'i (= J. starlcii). 



Funck. !N'ees. Hep. Eur. ii. Syn. Hep. 134. On a damp bank 



near the Baily Lighthouse, April, 1893. 



4. Zophocolea heterophylla, Qchiad. Journal Bot. i. p. 66. Hook. Brit. 



Jung., t. 31. On decayed wood, Ballykill, April, 1893; 

 Howth demesne, April, 1895. 



1 E.I. A. Proc, Ser. n., vol. ii., Science, p. 590. 



