84 Prof. Bailey on the Alge of the United States. 
Rhodomenia palmata, Grev. “ Dulse.” Mass. Rev. J. L. 
Russell! Common on shores of Rhode Island and Connecticut. 
Plocamium coccineum, Lyngb. Mass. Rev. J. L. Russell! 
-- Laurencia dasyphylia? Lamour. A species of Laurencia 
occurs abundantly at Newport and at Seaconnet, which appears 
closely allied to L. nee gether and is perhaps only a variety of 
that species. 
Chylocladia pines se Hook. Common on shores of Rhode 
Island, from Providence to Newport and Seaconnet. Harvey re- 
marks that he has seen specimens from North America, agreeing 
in every particular with British ones. 
Gigartina purpurascens, renin 4 Stonington, Conn., Neate 
gansett rePier, Newport, and Seaconne 
Chondrus crispus, Lyngb. ‘This ctl which is the Gartioetn 
or Irish moss of caer shops, is abundant everywhere on the coasts 
of New England. At Newport, it is generally known by the 
name of “Curl” or “ Currel.” 
Chondrus etre hor, Grev. Newport and Narragansett 
Pier; Mass. Rev. ssell ! 
herococcus icoamieetten Ag. 9 angustissimus. New York. 
Ag. Syst. Alg. p. 216. Shores of Staten Island. Dr. Torrey! 
Spherococcus Beta Ag. New York Ag. Syst. Alg. p. sgt 
Ptilota plumosa, Ag. Mass. G.B. Emerson and Rev: J 
Russell ! Seaconnet, R. I. Particularly abundant and fine a 
“the Stairs,” at Newport. 
Poh, ysiphonia subtilissima, Montaigne. Hudson River, below 
low water mark, at West Point, sixty miles from the ocean. 
Specimens of this have been sent to Montaigne, and he 
nonnces them identical with those he has described from paca 
It is remarkable that it is accompanied, fri at West Point and 
Cayenne, by the Delesseria Lepricu eurti, Mon 
Polysiphonia violacea, Grev. Narragansett ‘Bay, R. i Staten 
Island, N. Y. mon 
Polysiphonia fastigiata, Grev. Common on Fuci, at Newport 
and Seaconnet ; Plymouth, Mass. Rev. J. L. Ru ssell ! 
Polysiphonia stricta 8. atropurpurea, Ag. New York. A 
Syst. Alg. p. 150. gaia le Seiad 
Pol, ysiphonia nigrescens, Grey. Newport. 
Polysiphonia Brodaii, Grev. Plymouth, Mass. Rev. J. L. 
Russell! Newport, R. L 
Besides the above, I have two or three species of Polysiphonia 
on pete Island, which I have not yet slintbeteriy dese 
ae pedicellata, Ag. “ Ad Noveboracum.” Ag, Syst: Alg. 
p- 211. Very beautiful : specimens occur in abundance near Prov- 
idence, R. L, also at Newport, R. I. Ihave seen a fragment of 
* See Am. Sci. Nat., 2d series, Bot. tom. 13, p- 196, pl. 5. 
