THE MARINE ALG^ OF SOUTH CAROLIlfA AND FLOHIDA. 263 



70. Liogora leprosa, Harv. South Florida (Prof. Gibbes) and Key 

 West, rather rarely. 



71. LiAGOEA FARioNicoLOE, 71. sp. Erons filiformis, irregularis, 

 calcarea, axillis rotundatis, puniceis, ramulis interdum divaricatis. 



Prond about three inches long, irregularly branched, terete when 

 fresh, ramuli occasionally divaricate. Plant bright salmon- 

 coloured almost to base, tips of branchlets darker ; colour well pre- 

 served when dry ; calcareous deposit thin. 



This species would appear to link Helminthora divaricata with the 

 LiagoroB. Key West ; one specimen only obtained after strong S.W. 

 gale, March 14, 1872. The fructification of this genus is still but im- 

 perfectly known. 



WrangdiacecB. 



72. Wrangelia penicillata, Ag. Abundant in all its forms at Key 

 West. 



Rhodymeniacea. 



73. Rhabdonia tenera, Ag. = Solieria chordalis, Harv. Charles- 

 ton, South Carolina ; Cedar Keys and Key West, Gulf of Mexico. 



74. Rhabdonia ramosissima, J. Ag. = Chryaymenia ramosisstma, 

 Harv., in ''T^er. Bor. Am.," pt. ii., p. 190. I found this plant abun- 

 dant, but very variable, at Key West. 



Prof. J. G. Agardh, having examined the specimens from this 

 locality, states his opinion that it is "a true species of Rhabdonia, of 

 which it has the structure as well as the fruit." 



Crypfonemiacece. 



Gigartina acicularis, Lmx., I found at Havana, and therefore 

 may with reason be expected at Key West. 



75. Cryptonemia crenulata, J. Ag. Key West. 



76. Chylocladia Bailey ana, Harv Sullivan's Island, South Carolina, 

 abundant. This is the variety y valida of Harvey. 



77. Chrysymenia enter omorpha, Harv. Rare at Key West. 



78. Chrysymenia halymenioides, Harv. Abundant and very variable 

 at Key West in March. I should take the Mediterranean C. dichotoma^ 

 Ag., to be specifically the same, though the extreme forms differ 

 much. It is an exceedingly beautiful species. 



79. Chrysymenia (^Cryptarachne) Agardhii, Harv. Yery rare at Key 

 West. 



(3. planifrons. Two specimens of a plant with very broad, almost 

 undivided fronds, . otherwise resembling the type, are considered by 

 Prof. Agardh to be very likely a new species ; at all events they con- 

 stitute a well-marked variety. Key West. 



80. Chrysymenia uv aria, Ag. Key West, rare. 



81. Halymenia Floresia, Ag. Thrown up abundantly after stormy 

 weather on the southern shores of Key West, March 14 and 15, 

 1872, in both broad and narrow-leaved varieties. 



82. Grateloupia Gibbesii, Harv. Charleston Harbour ; and abun- 

 dant on the breakwater, Sullivan's Island. 



Spyridiacece. 



83. Spyridia filamentosa, Harv. Key West, where I also obtained 



