8o6 



BULLETIN OF THE BUREAU OF FISHERIES. 



Sorocarpus u-vaeformis Pringsheim. 

 Rare, on mussel shells (Mytilus). 

 Woods Hole: Grassy Ledge (MacRae). Marthas 



Vineyard (Colt). 

 Spring, 1904 (MacRae). 

 Collins, i896b, p. 459, Marthas Vineyard, 1892 



(Colt). 



Sireblonema Chordaria (Farlow) De Toni. 



Common, endophytic in Mesogloia divaricata and 



Leathesia differ mis. 

 Woods Hole: Great Harbor, Grassy Ledge, Little 



Harbor. 

 Summer. 

 Farlow, 1881, p. 69, Woods Hole. 



Streblonema oligosporum Stromfelt. 



Occasional, endophytic in Desmarestia viridis. 

 Robinsons Hole (I. F. Lewis). 

 August, 1907. 



Collins, 1908, p. 134, Robinsons Hole, August, 

 1907. 



Streblonema parasiticum (Sauvageau) De Toni. 

 Occasional, endophytic in Cystoclonium purpu- 



rascens. 



Woods Hole: Grassy Ledge (Collins). 

 September 2, 1905 (Collins). 

 Collins, 19063, p. 125, Woods Hole. 



Family SPHACELARIACE^. 



Cladostephus spongiosus (Lightfoot) Agardh. 



Occasional, on stones in fairly deep water. 

 Vineyard Sound, washed ashore at Nobska. 

 Summer. 



Cladostephus verticillatus (Lightfoot) Agardh. [Chart 

 229.] 



Common, on stones in fairly deep water. 

 Dredged by the Survey in 2 to 13 fathoms, over 

 sandy and stony bottoms. Scattered through- 

 out Vineyard Sound. 



Woods Hole: Off Nobska. Frequently washed 

 ashore at Nobska, Gay Head, Cuttyhunk. 



Vineyard Sound: Westerly portion station 7717, 

 many; 7598 and 7734, few. Narrow portion 

 7744, few; 7753, large plant; 7525 bis, few. 

 Easterly portion 7760, 7771, 7779, one each. 

 Inshore Robinsons Hole 21, Marthas Vine- 

 yard 62, one; 69 and 73, few. 



Summer. 



Farlow, 1873, p. 286, Gay Head, No Mans Land. 



Sphacelaria cirrhosa (Roth) Agardh. 



Common, attached to Fucus, Ascophyllum, Sar- 

 gassum, occasionally Zostera, and stones. 

 Dredged by the Survey in 3 to 8 fathoms, over 



Sphacelaria cirrhosa Continued. 



sandy and stony bottoms. At scattered sta- 

 tions chiefly in the easterly portion of Vineyard 

 Sound in and near Vineyard Haven. 



Woods Hole: Juniper Point, Grassy Ledge. Wee- 

 pecket Islands (Farlow). Black Rock. 



Vineyard Sound: Easterly portion 7760 and 

 7772, many on Sargassum. Inshore Marthas 

 Vineyard station 76, few on stones; 73, few; 

 69, few on stones; 7761, many on Sargassum; 

 Vineyard Haven 72, many on Zostera. Drifted 

 fragments, 7749, 7751. 



Summer. 



Farlow, 1873, P- 2 86, Weepecket Islands. 

 Sphacelaria radicans (Dillwyn) Agardh. 



Common, attached to stones, shells, and mud- 

 covered rocks. Dredged by the Survey in 3 

 to 5 fathoms, over sandy, stony, and muddy 

 bottoms. At scattered stations chiefly in and 

 near Vineyard Haven. 



Woods Hole : Little Harbor near Juniper Point. 

 Black Rock. 



Buzzards Bay: Inshore Cuttyhunk, station 102, 

 few on shells. 



Vineyard Sound: Inshore Marthas Vineyard, 

 station 69, many; 73, few; Vineyard Haven 71, 

 many; 72, few. 



Summer. 



Farlow, 1881, p. 76, Woods Hole. 



Family ENCCEUACE^. 



Asperococcus echinatus (Mertens) Greville. 



Rare, attached to rocks, Ascophyllum and Fuc-us. 

 Woods Hole: Grassy Ledge. 

 Spring, early summer, after which it goes out of 

 season. 



Desmotrichum balticum Kiitzing. 



Common, on Zostera, occasionally on larger algse, 



and on rocks. Dredged by the Survey off 



Marthas Vineyard (station 67) on Zostera, in 4 



fathoms, over sand. 



Woods Hole: Grassy Ledge, Little Harbor. 

 Vineyard Sound: Inshore Marthas Vineyard, 



station 67, few on Zostera. 

 Spring, summer. 

 Usually in company with Desmotrichum undu- 



latum; much more delicate than the latter, 



being i to 3 cells broad. 



Desmotrichum undulalum (J. Agardh) Reinkc. 

 Common, on Zostera, occasionally on larger algae, 



and on rocks. Dredged by the Survey in 3 to 



6 fathoms, on Zostera, over sandy and stony 



bottoms. 

 Woods Hole: Grassy Ledge, Eel Pond, Little 



Harbor. 



