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ORDER VIII. 



- As we strolled along, 



It was our occupation to observe 



Such objects as the waves had tossed ashore, 



Tangle or weed of various hues and forms, 



Each on the other heaped, along the line 



Of the dry wreck. And, in our vacant mood, 



Not seldom did we stop at some clear pool 



Hewn in the rock, and, wrapt in pleasing trance, 



Survey the novel forms that hung its sides, 



Or floated on its surface, too fair 



Either to be divided from the place 



On which they grew, or to be left alone 



To their own beauty." 



* Fronds olive-coloured, becoming blackish in drying, coriaceous, fi- 

 brous, continuous, branched. Marine. 



123. LICHINA. Frond short, erect, dichotomous, blackish-green ; 



the fructification capsular, terminal or nearly so. 



124. Fucus. Frond dichotomously branched, compressed; air- 



bladders when present innate in the frond ; receptacles 

 granular, turgid, terminal, simple, or sometimes bifid. 



125. DESMARESTIA. Frond narrow, linear, compressed, very 



much branched, the branches and branchlets narrowed at 

 the base, set with marginal spines ; receptacles unknown. 



126. FURCELLARIA. Frond cylindrical, solid, dichotomous, with 



