40 WALL RUE. 



WALL RUE. 



ASPLENIUM RUT A HUE ART A. 



[Linnceus, and generally adopted.] 

 (Fig. 30.) 



SYNONYMS. 



AMESIUM RUTA MURAEIA. (Some Authors.") 



THIS little fern, if once seen, will be easily 

 recognized. It has densely-tufted, thick, dark green 

 fronds, about two or three inches long. The stalk 

 is more or less pinnately divided. The pinnae are 

 alternate, having pinnules variable in form, some- 

 times long-stalked, wedge-shaped, toothed, or con- 

 tracting into a roundish point above. The sori are 

 linear, becoming united into broad patches when old. 

 The whole form of the plant resembles the Garden 

 Rue. 



It occurs abundantly in old walls and rocks through- 

 out England and Ireland. It seems to prefer the arti- 

 ficial position of a wall rather than that of a rock or 

 bank. It is found, however, on Arthur's Seat in 

 Edinburgh, and about the Peak in Derbyshire. It is 

 not very abundant in Scotland. More or less it is 

 met with in every country in the world, and is one 

 of those plants which seems to have deserted its 



