OF NORTHUMBERLAND AND DURHAM. 301 



59. CALLOPHYLLIS, K\dz. 



1. C. LAciNiATA, Kutz. Joliiist. and Cr.jt. 86. 



Rhodijmenia laciniata. Harv. Man., p. 125. Pliyc. 

 Brit., t. 121. Atlas, PL XXXIX., %. 179. 



Fiicus laciniatus. E. Bot.,t. 10G8. 

 Frequently thrown up from deep water. — N. D. 



60. GIGAETINA, .7. Ag. 

 1. G. MAMiLLOSA, J. Ag. Harv. Man., p. 141. Phyc. Brit., 

 t. 199. Atlas, PI. XLIL, fi^. 194. Johnst. and 

 Cr., t. 90. 

 Fucus mamillosus. E. Bot., t. 1054. 

 On rocks near low-water mark. Very common ; often more 

 abundant even than Cliondrus crispus. — N. D. 



61. CHONDRUS, i^%^&. 

 1. C. CRISPUS, Lijngb. Harv. Man., p. 141. Phyc. Brit., t. 

 63. Atlas, PI. XLIV., fig. 202. Johnst. and 

 Cr., t. 91, A. B. C. 

 Fucus crispus. E. Bot., t. 2285. 

 On rocks and stones in the sea. Abundant. An exceedingly 

 variable plant, both in form and colour. When growing near 

 low -water mark, it is of a deep brown or purple ; but when 

 inhabiting shallow pools, in situations where it is for hours 

 together exposed to full sunlight, it assumes a yellowish, or even 

 a bright, herbaceous green hue. It is the Carrageen or Irish 

 Moss of commerce. 



62. FURCELLARIA, Lamour. 



1. ¥. YASTiGiATA, Lamour. Harv. Man., p. 147. Phyc. Brit,, t. 

 94 and 357, A. Atlas, PI. XLV., fig. 208. 

 Johnst. and Cr., t. 93. 

 Fucus lumhncalis. E. Bot., t. 824. 

 On rocks and stones, between tide marks. Common. — N. D. 



VOL. IV,, PART IV. 2 o_ 



