W4I 



280 MESSRS. W. AND G. S. WEST 01S T THE 



Class CHLOROPHYCEJE. 



Ord. CoNFEETiCEiE IsOGAMl. 



Tarn. Conpervace^. 



*1. Microspora abbreyiata, Lagerh. in Bericht. Deutsch. 



ot. Gesellsch. v. 1887, p. 417. Conferva abbreviata, ~Raben.li. 

 Krypt. Flor. v. Sachs. 1863, p. 248 ; Flor. Furop. Algar. iii. 

 p. 323. 



Hab. On roadside near Roseau Lake, Dominica (2700 ft.). 

 No. 1160. 



T) 



*2. Microspora pachydermia, Lagerh. I. c. Conferva pachy- 

 derma, JVille, " Om Ilvilecell. hos Conferva" Of vers, of K. Vet.- 

 A.Jcad. Fork. 1881, no. 8, p. 20. 



Hah. On rocks,[Castle Bruce Eiver, Dominica (2000-3000 ft.). 

 No. 1697. 



Earn. Chroolepidace^:. 



3. Trentepohlia yillosa, De Toni, Syll. Algar. i. p. 239. 

 Chroolepus villosa, Kuetz. Fhyc. gener. p. 284 ; Spec. Algar. 

 p. 428. 



Crass, cell, veget. 18-22 /x. 



Hah. On trees in woods round Roseau Lake, Dominica. 

 No. 1164. On trees, St. Aroment, Roseau, Dominica. No. 1254. 



A species was noticed on banks at Emsol, Roseau, Dominica. 

 No. 986. The specimens were probably young forms of T. 

 villosa. Branches few, short, and situated at long intervals 

 along the primary filaments. 



Crass, fil. 18-20 p. 



# 4. Trentepohlia sp. 



Specimens very fragmentary; thickness of cells 8'5-14'5/u, 

 1| times longer than their diameter. 



llab. Roseau Valley, Dominica, on bark. No. 1344. 



Earn. Cladophorace^:. 



*5. Rhtzoclotsivm niEROGLTPiiicuM, Kuetz. Fhyc. gener. 

 p. 205 ; Spec. Algar. p. 385 ; Stockmayer, " Ueher die Algen- 



