162 THE MARINE BOTANIST. 



Annual. Summer. Not imcommon on the shores 

 of England and Ireland ; rare in Scotland. 



DELESSEEIA RUSCIFOLIA.-^BOX- 

 LEAVED DELESSERIA. 



Not unlike the last species^ but smaller, with 

 rounder, wider, and shorter fronds. The colour is 

 deeper, and the substance rather firmer ; tetraspores 

 forming" an oblong line on each side the midrib. 

 Grows on rocks, algae, &c. Annual. Summer and 

 Autumn. Rather rare. Shores of England and 

 Ireland. Yarmouth. Coasts of Devon and Corn- 

 wall. 



NITOPHYLLUM. 



Name meaning a shining leaf. 



Frond reticulated, delicately membranaceous^ 

 generally rose-coloured, wholly without veins, or with 

 slight vague ones towards the base. Fructifica- 



