THE BAHAMA ISLAXDS 243 



*Physarum viride Pers. 



*Di(lymiu7n squamulosum (A. & S.) Fr. (D. effusum Link). 



*Dictydiuin cancellattcm (Batsch.) Macbride (D. umhilicatum Schrad.). A widely 

 distributed species. 



*Arcyria punicea Pers. 



*Arcyria arstedtii Rostf. (?). Dr. Farlow remarks of the above that "it answers 

 to descriptions of Arcyria urstedtii Rostf. in most respects, bvit the capillitium 

 is not the same as in specimens of that species. It may be new." 



*Arcyria cinerea (Ball.) Pers. {A. albida Pers.). 



*HemitricMa clavata (Pers.) Rostf. 



*Lycogola epidendron (L.) Fr. 



*8temonitis herhatica. Dr. Farlow says of this: "It resembles in some respects 

 S. herhatica Peck, and also aS'. smithei Macbr., but as far as can be told from 

 the specimens, the spores have not the ferruginous color of the latter species." 



ALG^.f 

 SCHIZOPHYCE.E." 



Gleocapsa sp. On damp rocks, Mt. Vernon, Nassau. 



Nostoc commune Vauch. On bare rocks, Mt. Vernon, Nassau. Cosmopolitan. 



Scytonema sp. Lichenised. On bare rocks, Mt. Vernon, Nassau. 



CalotJirix (vrugmca Bornet. On floating Sargassum, Atlantic Ocean off South Caro- 

 lina. Cosmopolitan. 



Lyngbya majusciila (Dillw.) Harv. Eleuthera opposite Current Settlement. Cos- 

 mopolitan. Determined by Dr. M. A. Howe. 



C0NJUGAT.g3. 



Spirogyra rivularis var. minor Hansg. In a rock hole, Killarney barrens, New 

 Providence; Europe. Determined by Mr. F. S. Collins. 



CONFERVALES. 



Trentepolia aurea (L.) Mart. On trees and rocks, Soldiers road, Nassau. Deter- 

 mined by Dr. M. A. Howe. 



Rhizoclonium riparium var. implexxim (Dillw.) Rosenw. In a brackish pool, Mt. 

 Vernon, Nassau. Exposed at low tide. Cosmopolitan. Determined by Mr. 

 F. S. Collins. 



SiPHONEZE." 



Bryopsis plumosa (Huds.) Ag. Rocks, west shore of Eleuthera, opposite Current 

 Settlement. 



Caulerpa racemosa uvifera (Turn.) J. Ag. West shore of Eleuthera, Current Settle- 

 ment. 



Gaulerpa ciipressoides ericifolia (Turn.) Web.-v. Bosse. Little Mangrove Cay, 

 Andros. 



Caulerpa paspaloides (Bory) Grev. Green Cay. Dredged in 4 fathoms. 



*Caulerpa compressa (Web.-v. Bosse) Howe. Clarence Harbor, Long Island. In 

 4 feet of water. This species has been described from our material by Dr. 

 M. A. Howe in Bull. Torr. Bot. Club, Vol. XXXI, 1904, pp. 93-94. 



Aurainvillia lorigicaulis (Kuetz.) Marr. & Bood. 



" Determined, except the last, by Mr. F. S. Collins. 



^^ Determined by Dr. M. A. Howe. 



f It is not known exactly how many Algag are new to the Bahamas. 



