Marine Plants on the N. E, United States, 33 



Chaetomorpha Utorea. 

 Hormotrichum Younganum, 

 Fucus Balticm. 

 in. The plants in the Fucus Zone are: — 



(1) Fucus nodosus. 



(2) " vesiculosus, 



(3) " furcatus. 

 Asperococcus sinuosus. 

 Chordanajlagelliformis, 

 Ectocarpus siliculosus. 

 Elachista/wcico/a. 

 Rhodomela sub/usca. 

 Corallina officinalis. 



Bhodymenm palmata. • 



Hypnea mvsciformis. 

 Cystoclonium purpurascens. 

 Gigartina tenax^ 



" mamillosa, 

 Halosaccion ramentaceum. 

 FuTceWsLTia. fastigiata. ' 

 Ceraraium rubrum. 



" fastigiatum, 

 Porphyra laciniata. 

 Chadophora rupestris. 

 Chaetomorpha melagonium, 



IV. The plants of the Lammaria Zone are :— 



Agarum Turner i, 

 Alaria esculenta, 

 Laminaria digitata. 



" saccharina. 



'* Fascia. 



« Pkyllitis. 



" dermatodea, 



V. The plants of the Chondrus Zone are :— 



Chondrus crispus. 

 Larainariae, 



VI. The plants of the Deep Sea Zone are : 



Laminaria longicrucis. 

 Punctaria tenuissima. 

 Ectocarpus granulosus. 



