KHODOPHYLLIDAiCEAE. 561 



Family 5. GIGARTINAOBAE. 



1. KALLYMENIA J. Ag. Alg. Med. et Adriat. 98. 1842. 



1. KaUymenia Limmlnghii Mont. Ann. Sci. Nat. Bot. IV. 14 : 173. 1860. [As 

 Callymema Limminghii.'j 



Plants suborbioular or reniform, 5-8 mm. broad, dark red, short-stipitate, 

 sterile. Possibly a young or dwarf condition of K. reniformis (Turn.) J. Ag., 

 but probably distinct. 



Low-littoral, on a rock shelf in a cavern, Malcolm Road, Caicos Islands ; — Guade- 

 loupe. Type from Guadeloupe. 



Family 6. RHODOPHYLLIDACEAE. 



1. OATENELLA Grev. Alg. Brit. Ixiii. 1830. 



1. Catenella Opuutia (Good. & Woodw.) Grev. loc. cit. 



Fuciis Opuntia Good. & Woodw. Trans. Linn. Soc. 3: 219. 1797. 

 Catenella pinnata Harv. Ner. Bor.-Am. 2: 201. pi. S9B. 1853. 

 Catenella Opuntia pinnata J. Ag. Sp. Alg. 3': 588. 1876. 



On roots and trunks of RMzophora, etc., littoral. Berry Islands, Great Bahama, 

 Bimini, Conception Island, Watling's Island,- and Great Ragged Island : — Bermuda ; 

 Florida ; Jamaica ; and the West Indies in general. Type from Wales. 



2. AGAKDHIELLA Schmitz, Flora 72: 441. 1889. 

 1. Agardhiella tenera (J. Ag.) Schmitz, loc. cit. 



Gigartina tenera J. Ag. Linnaea 15: 18. 1841. 



Sphaerococcus tener Kiitz. Sp. Alg. 777. 1849. 



Bhahdonia tenera J. Ag. Sp. Alg. 2: 354. 1852. 



SoUeria chordalis Harv. Ner. Bor.-Am. 2: 121. pi. S3 A. 1853. Not J. Ag. 

 1842. 



Bhubdonia Baileyi Harv,; Kutz. Tab. Phyc. 16: 26. pi. 74. f. c, d. 1866. 



Sphaerococcus tenuis Kiitz. Tab. Phyc. 18: 27. pi. 15. f. d, e. 1868.. [Ac- 

 cording to type in herb. Kiitz.] 



In shallow water. The type of Sphaerococcus tenuis Kiitz. is said to have come 

 from " archipelago Bahamensi." The species is otherwise unknown from the Bahamas 

 and is apparently uncommon there, at least in winter and spring when most of the 

 collections of algae have been made, though it doubtless occurs: — Massachusetts to 

 Florida and the West Indies ; California ; Peru. Type locality indefinite (southern 

 shores of North America and the West Indian islands). 



3. MEKISTOTHECA J. Ag. Bidr. Act. Univ. Lund. 8=: 36. 1872. 



1. Meristotheca Duchassalngii J. Ag. loc. cit. 37. 



On rocks, near low-water mark, Gun Cay : — ^Bermuda and North Carolina to 

 Barbados. Type from Guadeloupe. 



4. EUCHEUMA J. Ag. Of v. K. Vet.-Akad. Eorh. 4: 16. 1847. 

 1. Eucheuma isiforme (Ag.) J. Ag. loc. cit. 



Sphaerococcus isiformis Ag. Sp. Alg. 1: 271. 1822. 



Gigartina isiformis Kiitz. Tab. Phyc. 18 : 3. pi. 7. f. c, d. 1868. 



Near low-water mark, especially under shelving rocks and among Rhizophora 

 roots, Exuma Chain : — Bermuda ; Florida ; and the West 'Indies in general. Type 

 from the West Indies. 



