ASrLENIUM RUTA-MURARIA. 



Elatum, Lang. — Found at Ennis, in Ireland, by Dr. Allchin; 

 Michelstown Castle, near Cork, by INIr. P. F. Keir; near 

 Athenny, Galway, by Mr. R.. Barrington; Keswick, Cumberland, 

 by Miss "Wright; and in Dovedale, Derbyshire, by Mr. Wilson. 

 A tall slender variety, bipinnate or subtripinnate. Remarkable 

 for the small and narrowly cuneate pinnules. Mostly blunt 

 and dentate, occasionally truncate and subtrilobate. 



Dtssectum, JVollastoii. — Found in Devonshire by Mr. G. 



B. Wollaston; and in Ireland, in County Louth, by the late 



Dr. Kinahan. A rare form, with elongated and deeply-incised 

 pinnules. 



Variabile, 3Ioore. — Found at Settle, in Yorkshire, by Mr. 

 A. Clapham, of Ramsdale Bank, Scarborough. Subtripinnate 

 and very variable. Usually the pinnules are obovate wedge- 

 shaped, distant, spreading, wath the apex inciso-dentate, occa- 

 sionally much depauperated. The pinnae and pinnules exceed- 

 ingly dissimilar, the pinnules very small, and having two or 

 three horn-like lobes in the place of teeth. 



Sectum, Moore. — Found at Arnside by Mr. J. Crossfield. 

 Dwarf, with the ends of the pinnules incised, two or three of 

 the segments usually longer than the others, and producing a 

 forked or laciniated appearance. 



Proliferum, Wollaston. — Found near Guildford, in Surrey, 

 by Dr. Allchin. A proliferous variety, having young plants 

 situated in the axils of the pinnules. Rare. 



ALPHABETICAL INDEX OF THE VARIETIES. 



Attenuatum, Lowe . page 223 



Cristatum, Wollaston . 225 



Cuneatum, Moore . . 224 



Dissectum, Wollaston . 226 



Elatum, Lang . . . 226 



Pinnatum, Moore . . 224 



Proliferum, Wollaston . 226 

 Hamo-depaupcratum, Clapham 223 



Eamosum, Moore . page 224 



Sectum, Moore . . 226 



Spatliulatum, Moore . . 225 



Trifidum, Moore . . 225 



Trifoliatum, Lotoe . . 224 



Unilaterale, Moore . . 225 



Variabile, Moore . . 226 



