52 CAETOPHTLLE^. ^Lychnis. 



Howth, 1895, but rare in Co. Dublin; N. C— VI. In wheat fields 

 at Croagh and MuiTough, Burren; P. B. 0' Kelly. — VII. Knock 

 Drin, 'WeBtmeatli, rare; Lwinge. — VIII. Frequent about Ough- 

 terard; Miss M. F. Jackson. — IX. BaUysodare, Sligo; Praeger. — 

 X. Eecorded for this district in 1st Ed. Cyleh but no locality 

 available. XI. Glinsk near Cairowkeel and abundant at Horn 

 Head: Eart iS'jq. Between Dunkineely and KiHybegs : Sa/rt 

 x88s y. — XII. Erequent in north-east Ireland : Flor. N.-E. 



IJsually introduced with vetches, in which crop it appears to be 

 more abundant than in com. 



CEEASTIUM Linn. 



1. C. tetraudrum Curtis — Fowr-chft Mouse-ear. 

 Districts I. II. — IV. V. VI. — VIII. IX. X. XI. XII. 



Lat. 51^°-55i°. Coasts of aU Ireland. Type, British. 



Sandy or gravelly groimd, usually near the sea ; frequent. IT,. 

 April-Jtine. 



Almost entirely confined to the neighbourhood of the coast, but 

 has been found inland on the shores of Lough Conn, Mayo (More) 

 and Lough Neagh {Moore) ; also on dry boggy ground near Holly- 

 mount and Eoxford, Mayo {More), and on limestone, apparently 

 flooded in winter, south of Lough Mask : Marshall i8g6. 



2. C. semidecandrum Linn. — Little Mouse-ear. 

 Districts I. II. — IV. V. Vr. — VIII. IX. — XI. XIL 



Lat. 51f°-55i°. Erom South to North, l^pe, British-English. 



Sandhills, dry banks, and walls near the sea ; not infrequent. 

 Fl. April-May. 



To 1100 ft. ia Derry {Sort). 



3. C. glomeratum ThuiU. — Broad-lea/sed Mouse-ear, 

 Districts I. 11. III. IV. V. VI. Vri. VIII. IX. X. XL XII. 

 Lat. 51^°-55i°- Throughout Ireland. jl)/pe, British. 



Eoadsides and waste places, chiefly ia gravelly or sandy soil • 

 rather common. Fl. May-August. 



Sea-level in Antrim and Cork. To 1600 ft. in Dublta (iV. C). 



4. C. triviale Link — Common Mouse-ear. 

 Districts I. II. III. IV. V. VI. VII. VIIL IX. X. XI. XH. 

 Lat, 51^°-65J°. Throughout Ireland. Type, British. 



Pastures, banks, walls, and waste places ; very common. Fl. 

 April-October. 



