BIOLOGICAL SURVEY OF WOODS HOLE AND VICINITY. 



80 3 



Cladophora flexuosa Continued . 



Farlow, 1873, p. 293, Woods Hole Government 

 wharf; Farlow, iSSr, p. 54, Woods Hole; A. A. 

 B. Ex., fas. v, no. 206, Woods Hole (W. G. 

 Farlow). 



Cladophora fracta (Flora Danica) Kiitzing. 

 Rare, in brackish water. 

 Woods Hole: Eel Pond Creek (Setchell). 

 August, 1904 (Setchell). 

 Farlow, 1873, p. 293, Woods Hole; A. A. B. Ex., 



fas. v, no. 208, Falmouth, 1881 (W. G. Farlow); 



specimens in the herbarium of the Marine 



Biological Laboratory collected by W. A. 



Setchell. 



Cladophora glaucescens (Griffiths) Harvey. 



Common, attached to rocks and woodwork of 

 wharves below low water. 



Woods Hole: Harbor wharves, Juniper Point; 

 Government wharf Little Harbor, Gut of 

 Canso. 



Summer. 



A. A. B. Ex., fas. v, no. 205, Woods Hole, Au- 

 gust, 1881 (W. G. Farlow). 



Cladophora gracilis (Griffiths) Kiitzing. 



Abundant, attached to wharves and stones be- 

 low low-water mark, sometimes on Zoslera. 

 Dredged by the Survey over sand and gravel in 

 2 to 5> fathoms. 



Woods Hole: Harbor walls, basins of Bureau of 

 Fisheries, Grassy Ledge, Juniper Point. 



Buzzards Bay : Inshore Cuttyhunk, station 

 104, few; Nashawena 79, few; Uncatena 117, 

 few. 



Vineyard Sound: Inshore Tarpaulin Cove, sta- 

 tion 17, few on Zoslera; Robinsons Hole 20 and 

 21, few; Pasque 24 and 25, few. Drifted frag- 

 ments, 7543 bis and 7570. 



Summer. 



Farlow, 1881, p. 55, Woods Hole; A. A. B.Ex., 

 fas. v, no, 209, Falmouth, 1881 (W. G. Farlow). 



Cladophora hirta Kiitzing. 



Occasional, on rocks below low water. 

 Woods Hole: Juniper Point. 

 Summer. 



Cladophora lanosa (Roth) Kiitzing. 



Occasional, attached to larger algse below low- 

 water mark, floating in Vineyard Sound at- 

 tached to Ascophyllum nodosum and goose bar- 

 nacles (Lepas). 



Woods Hole: Steamboat wharf, Grassy Ledge, 

 Juniper Point. 



At all seasons. 



Cladophora lanosa var. uncialis (Flora Danica) 



Thuret. 

 Common, on stones and rocks, above and below 



low-water mark. 

 Woods Hole: Grassy Ledge (Miss MacRae). 



Vineyard Sound. 

 December, 1904, April and May, 1905 (Miss 



MacRae, Grassy Ledge). Summer (Vineyard 



Sound). 



Cladophora refracta (Roth) Areschoug. 



Abundant, attached to stones near low- water 



mark. 



Woods Hole. 

 Summer. 

 A. A. B. Ex., fas. v, no. 207, Woods Hole, August, 



1 88 1 (W. G. Farlow). 



Cladophora Rudolphiana (Agardh) Harvey. 



Abundant, attached to stones and Zostera, below 



low-water mark. 

 Woods Hole : Little Harbor. 

 Summer. 

 Farlow, 1873, p. 292, Woods Hole; Farlow, 1881, 



p. 54, 55, Woods Hole. 



Cladophora rupestris (Linnaeus) Kiitzing. 



Occasional, attached to rocks below low-water 



mark. 



Woods Hole: Nobska Point. Gay Head. 

 Early summer. 

 Farlow, 1873, p. 292, Gay Head, Vineyard Sound. 



Rhizodonium Kcrneri Stockmayer. 

 Occasional. 



Woods Hole (Setchell). 

 August, 1894. 

 Known only from specimen in herbarium of the 



Marine Biological Laboratory collected by 



W. A. Setchell. 



Rhizodonium riparium (Roth) Harvey. 



Common, on sand and rocks between tide marks, 



woodwork of wharves. 

 Woods Hole: Grassy Ledge, Government wharf 



Little Harbor. 

 Summer. 

 Farlow, 1881, p. 49, Woods Hole; A. A. B. Ex., 



fas. v. no. 213, Woods Hole (W. G. Farlow). 



Rhizodonium tortuosum Kiitzing. 



Occasional, growing over other algae in quiet 



waters. 

 Woods Hole. 

 Summer. 

 Farlow, 1873, p. 293 (Chaetomorpha tortuosa 



Dillwyn), Woods Hole. 



