Plate IX. 



Fig. 33. CUTLERIA MULTIFIDA. 



Colour. Olive-green^ varied with rusty tints. 



SuhstancG. When fresli^ firm^ thick; membranaceous; soon becoming limp. 



Character of Frond. A flat expansion; many times variously slit in the upper 

 part; tips of the segments pointed. General outline rather fan-shaped. 

 Beautifully marked by the prominent dots of fructification, of darker 

 hue than the frond. Root, woolly. 



Measurement. From 2 to 8 inches long. 



Fructification. Dot-like tufts of seeds [spores] scattered over both surfaces 

 of the plant. 



Habitat. Coasts of England and Ireland. Very rare in Scotland. On rocks 

 and shells in from 4 to 15 fathom water. Rare. 



Fig. 34. HALISERIS POLYPODIOIDES. 



Colour. Brownish olive; semi-transparent. 

 Substance. Thin; membranaceous; very easily torn. 



Character of Frond. Flat; midribbed; narrowish throughout; branched. 

 Branches forked [dichotomous), though not perfectly so. Margins 

 entire. In tufts from a woolly root. 



Measurement. From 4 to 12 inches long; about \ an inch wide. 



Fructification. Minute seeds [s])ores) in oblong patches along each side of 

 the midrib; or large single ones irregularly scattered. 



Habitat. South of England, West and South of Ireland. Rocks and stones 

 in the sea at from 2 to five fathoms depth. Rare. 



When fresh its strong, disagreeable odour is a mark of distinction. 

 17 D 



