234 FLORA OF MOUNT DESERT. 



B. pyramidale, Sirdt. 



Streamlet, Norwood Cove (Holden) ; brook, High Head 

 meadow (Faxon & Rand). 



LEMANEACE^E. 



TUOMEYA, Harv. 

 T. fluviatilis, Harv. 



Outlet of Hadlock Lower Pond; Denning Brook (Holden). 



LEMANEA, Bory. 



L. fucina, Bory, var. rigida, Atkinson. 

 Hadlock Lower Pond, at outlet (Holden). 



PORPHYEACE^E. 



BANGIA, Lyngb. 

 B. fusco-purpurea (Dillw.), Lyngb. 



On rocks. Near Seal Harbor (Collins) ; east of Seal Harbor 

 (Holden). 



PORPHYRA, Ag. 

 P. laciniata (Lightf.), Ag. 



Sea Wall (Holden). A coarse and dull-colored form on rocks 

 between tide marks ; a smaller and brighter colored form on 

 Fucacese, etc. (Collins). 



P. miniata, Ag. 



A handsome species, differing from P. laciniata in having 

 two layers of cells instead of one in the greater part of the frond, 

 even in the vegetative condition. The fronds are more gelati- 

 nous and somewhat thicker, and adhere firmly to paper when 

 dried. It is a species of deeper water than P. laciniata, and 

 grows on other algae, rather than on rocks or woodwork. Float- 

 ing near Seal Harbor (Collins). 



