Fig. 334. ENTEKOMORPHA RAMULOSA. 



Colour. A full grass-green. 



Substance. Membranaceous, but harsh feeling; the thorn-like branchlets 

 bristling when the plant is lifted from the water. 



Character of Frond. Thread-like [filamentous); rather compressed than 

 cylindrical; tubular; much branched, twisted and interwoven; when 

 old, spreading in fleeces. Main stems long, wavy; set with branches 

 on every side; spreading all ways; all tapering to the tips. Branches 

 re-branched; everywhere covered with very short, thorn-like, horizon- 

 tal branchlets. All the tips finely pointed. 



Measurement. From 2 inches to a foot or two long. 



Fructification. As before. 



Habitat. Our coasts generally. On rocks between tide-marks. Not un- 

 common. 



Characteristic, really tJwrny specimens are very pretty, and easy to distin- 

 guish by their bristling crispness and full green hue. Dr. Harvey describes 

 it as spreading widely in fleecy masses in its old age, and thus "forming a 

 comfortable cover for a variety of small Crustacea and shell- fish, who, no 

 doubt, feel it quite their own." 



Fig. 335. ENTEROMORPHA HOPKIRKIL 



Colour. A pleasant light green. 



Substance. Membranaceous; thin; very soft. 



Character of Frond. Long tufts of ultra-fine-hair-like (byssoid !) cylindrical, 

 tubular threads {filaments), excessively branched. Main divisions 

 long, wavy, tapering to the tips. Branches upright; opposite or al- 

 ternate; repeatedly divided; springing from all sides; set profusely 

 with minute cobwebby branchlets; all the tips finely pointed. 



Measurement. From 6 to 12 inches long. 



Fructification. As before. 



Habitat. Carrickfergus. Goodington. Torbay. Dredged in from four to 

 ten fathoms^ water. Rare. 



As delicate as the most delicate of the Cladojohoras. Under the microscope, 

 remarkable for the large size of cells of which the frond is composed; and 

 that these are empty, all but a minute grain of bright green colouring matter 

 {endochrome) in the middle. As the branchlets are tormed of only one row of 

 these cells, they appear to be jointed like those of a CladopUora. 



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