42 DESCRIPTIVE CATALOGUE OP THE 



I GROUP. HYDROTHECA WITH TWO DISTINCT TEETH. 

 I Division. UNBRANCHED SPECIES. 



195. Sertularia minima. Thompson. (9) 89, (93) 411, (127) 104. 

 Sertularia pumila (25). 

 Sertularia pumiloides (8) 21. 

 Sythecium gracilis (25). 



South coast of Australia (Port Phillip, Portland, St. Vincent's Gulf), New 

 Zealand. 



II Division. IRREGULAR BRANCHED SPECIES. 

 19G. Sertularia irregularis. V. Lendenfeld. (93) 406. 

 South coast of Australia (Port Phillip). 



Ill Division. DlCHOTOMOUSLY BRANCHED SPECIES. 



197. Sertularia bispinosa. Loughtrey. (9) 68, (25), (46), (93), 407, (127) 



107. 



South coast of Australia (from Brighton, South Australia, to Bass' Straits), 

 New Zealand. 



198. Sertularia operculata. Linne. (9)67, (36) 39, (38) t. IV, tigs. 1, 2, 



(63) 263, (67) 77, (82) 144, (93; 407. 



AmpMsbetia operculata (2). 

 Dynamena jisciculata (71) 12. 



Dynamena operculata (15) 483, (40) 544, (83) 176, (84) 12, (85) 28S. 

 Sea-hair (35) 8. 



Sertularia usneoides (113) 132. 



East coast of Australia (Port Stephens), South coast of Australia (from 

 Port Elliot, South Australia, to Western Port), New Zealand. 



IV Division. PINNATE SPECIES. 



199. Sertularia loculosa. Busk. (9) 91, (18) 393, (93) 412. 

 South coast of Australia (Port Phillip, Portland, Western Port). 



200. Sertularia tenuis. Bale. (9) 82, (93) 410. 

 South coast of Australia (Port Phillip). 



201. Sertularia divergens. De Lamarck. (82) 153. 



JJi/nametta dioergeiis (15) 484, (83) 180, (85) 290. 

 Sertularia diverges (9) 81, (18) 392, (93) 410. 

 Sertularia Jlasculus (127) 104. 



North coast of Australia (Torres Straits), South coast of Australia (Port 

 Phillip, Portland). 



202. Sertularia macrocarpa. Bale. (9) 80, (93) 410 

 South coast of Australia (Port Phillip, Portland). 



