•( 10 ) 
of the leafy portion of the frond. Pinnae 
triangular or ovate, opposite or alternate. 
Pinnules stalked and lobed; the margins 
serrated with sharp teeth. Sori situated 
near the margin of the pinnules. Rachis. 
green ; stipes short and nearly black; both 
slightly scaly. 
!* 
Growth. Varies; sometimes erect and sometimes 
drooping. 
Height. From six to eighteen inches. 
Colour. Bright green. 
A 
Habitats. Rocks and old walls. More common on 
the south and west coasts. 
(See also page 53J 
GROUP I; GENUS III; SPECIES V. 
ASPLENIUM MARINUM. (Sea Splcenwort.) 
Plate V. 
Fronds. Linear, pinnate. Pinnae usually rather dis¬ 
tant, stalked, ovate, auricled at base and 
serrated on the margin. Rachis green and 
slightly winged. Stipes black at base, and 
about one quarter the length of the entire 
frond. 
Growth. Erect when young. This fern frequently 
grows in a horizontal position. 
