BIOLOGICAL SURVEY OF WOODS HOLE AND VICINITY. 



801 



Enteromorpha lima (Linnaeus) J. Agardh. 

 Common, attached to stones and woodwork of 



wharves, near low-water mark and below. 

 Woods Hole: Great Harbor, Little Harbor. 



Black Rock. 

 Summer. 



Enter omorpha minima Nageli. 



Common, attached to rocks near high-tide mark. 

 Woods Hole: Stone harbor walls, Grassy Ledge. 

 Summer. 



Enteromorpha percursa (Agardh) J. Agardh. 



Common, in pools and ditches, floating in large 



masses frequently mixed with other species of 



Enteromorpha. 

 Woods Hole: Eel Pond, brackish pools and 



ditches of Penzance. 

 Summer. 



Enteromorpha plumosa Kutzing. 



Common, in quiet waters, attached to Zostera. 

 Woods Hole. 

 Summer. 



Synonym: Enteromorpha Hopkirkii McCalla of 

 Collins' (1900) list. 



Enteromorpha pro lifera (Flora Danica) J. Agardh. 



Common, in pools and ditches of salt marshes, in 

 floating masses mixed with Cladophora, also on 

 rocks. Dredged once by the Survey, Hog 

 Island Harbor (station 135) in 3%" to 5 fathoms, 

 over sand and gravel. 



Woods Hole: Ditches of Penzance. Black Rock 



Buzzards Bay: Inshore Hog Island Harbor, sta- 

 tion 135, few. 



Vineyard Sound: Inshore Gay Head, stations 

 50 and 51, many on rocks. 



Summer. 



1 'lea fulvescens (Agardh) J. Agardh. 



Occasional, on stones at low- water mark. 



Woods Hole: Little Harbor (Setchell). 



July 31, 1895. 



Known only from specimens in the herbarium of 



the Marine Biological Laboratory collected by 



W. A. Setchell. 



Monostroma crepidinum Farlow. 



Occasional, on piles of wharves between tide 

 marks. 



Woods Hole: Government wharves Little Har- 

 bor (Farlow). Head of Vineyard Haven 

 (Setchell). 



August (Farlow), August 14, 1892 (Setchell). 



Farlow, 1881, p. 42, Government wharf, Woods 

 Hole; A. A. B. Ex., fas. iv, no. 174, Woods 

 Hole (W. G. Farlow); P. B.-A., fas. v, no. 220, 

 head of Vineyard Haven, August 14, 1892 (W. 

 A. Setchell). 



Monostroma Greruillei (Thuret) Wittrock. 



Abundant, on stones and larger alga: near low- 

 water mark. 



Woods Hole: Little Harbor. 

 Spring. 



Protoderma marinum Reinke. (Taxonomic posi- 

 tion uncertain.) 



Veiy common, on pebbles, especially in quiet 

 waters, forming a green coating. 



Woods Hole. Quisset. Tarpaulin Cove. 



At all seasons. 



Ulva Lactuca Linnaeus. Sea-lettuce. 

 Common, attached to rocks, wharves, and algae, 



above and below low water. 

 Woods Hole. 

 Buzzards Bay: Drifted fragments, stations 7645, 



84, 161, 165. 

 Vineyard Sound: Drifted fragments, stations 49, 



60. 

 At all seasons. 



Ulva Lactuca var. latissima (Linnaeus) De Can- 



dolle. 



Common, floating in quiet, shallow water. 

 Woods Hole: Little Harbor, Eel Pond, ditches 



on Penzance. 

 Summer. 

 P. B.-A., fas. D, no. LXXVI, Eel Pond, Woods 



Hole, August 16, 1904 (F. S. Collins). 



Ulva Lactuca var. rigida (Agardh) Le Jolis. 



Common, on rocks exposed to the action of waves, 

 above low-water mark. 



Woods Hole: Harbor walls, Grassy Ledge, Juni- 

 per Point, Government wharves Little Har- 

 bor. Black Rock. 



Buzzards Bay: Drifted fragments, stations 7629, 



"3- 

 Vineyard Sound: Gay Head, stations 50 and 



51, many. 

 At all seasons. 



Family CH^TOPHORACE^. 



Acrochate repens Pringsheim. 



Common, epiphytic in base and middle regions 



of Chorda filum, among the paraphyses and 



sporangia. 

 Woods Hole. 

 Summer. 

 Collins, igo6a, p. 124, Woods Hole, September i, 



1905; P. B.-A., fas. xxvi, no. 1279, Woods 



Hole, September r, 1905 (F. S. Collins). 



Bulbocokon piliferum Pringsheim. 

 Common, on Leathesia and Chordaria. 

 Woods Hole. 

 Summer. 

 Farlow, iSSi, p. 57, Woods Hole. 



