292 EEPORT O^ibOMMISSIONER OF FISH AND FISHERIES. 



74:. C. hyssoidemn, Aen. Orient Point, (not uncommon,) Wood's Hole^ 

 Weepecket. Specimens from the latter place are fastigiate and 

 belong to Harvey's third variety. 



75. C. corymhosnm, Ag. Wood's*Hole, Gay Head, Edgartown, (Miss 



Pease,) Weei)ecket. 



76. C. seirospermuni, Geiff. The commonest of the subgenus Rosea. 



Orient, Menimshi, Gay Head. 



77. C. Plumula, Lyngb. Eare. Dredged near Devil's Back, Gay 



Head, in company ^Yith Chylocladta rosea, July ; Orient, June; 

 one specimen. 



78. C. cruciaUm, Aa. Wood's Hole, Vineyard Sonnd, Weepecket. 



Not uncommon, but generally overlooked from its being para- 

 sitic on other species of Callithamnion. 



79. C. Turner!, Ag. One of the commonest species of the genus south 



of Cape Cod, growing in dense tufts on other algaj at low-water 

 mark and below. Throughout Vineyard Sound, Watch-Hill, 

 (Professor Eaton,) Orient, Siasconsett, where in July the water 

 was completely filled with it. Beautiful while in the water, but 

 not luakiug handsome specimens. 



80. C. luxurians, J. AG. On zostera. Edgartown, Massachusetts, 



(Miss Fisher.) 



CHLOEOSPEPvME^E. 



SlPHONACEA^E. 



81. Bryopsis plumosa, Lam. Greenport, Wood's Hole, Edgartown. 



Common on wharves and stones between tide-marks. 



Ulvace^. 



82. PorpJiyra I'ulgaris, AG. Common. Wood's Hole, Newport, Green- 



port, New Haven, (Professor Eaton.) 



83. Bangui fuscopurpurca, Lyngb. Wood's Hole, Newport. On 



liiers and rocks. 



84. Enter omorplia intest inal is, hmK. Common along the whole shore. 



85. E. compressa, Geev. With the last, and equall}' common. 



86. E. clathrata, Geev. Wood's Hole. Common. 



87. E. HopMrTiii, McCalla. Edgartown, (Miss Pease.) 



88. Ulva Linsa, L. Orient. Probably along the whole coast. 



89. U. latissima, L. Everywhere. 

 CONFERVACE^. 



90. Cladoplwra rupestris, L. Gay Head, Vineyard Sound. A con- 



densed depauperate form. 



91. C. uncial is, El. Dan. Orient Point, June, 1871. 



92. C. RudolpMana, AG. Wood's Hole. 



