CLXIII. ALG^. 811' 



Staurastrum— contd. 

 orbiculare — contd. 



var. depressum, Roy. ct Bisset, De-Toni, Syll. Alg. i. 1181.. 

 var. Ralfsii, W. and G. S. West.— Nundah (c. T. White).. 

 Det. by G. S. West, 

 pygmaeum, Breb., De-Toni, Syll. Alg. i. 1181. 



var. obtusum, Willc., De-Toni, Syll. Alg. i. 1182. 

 dilatatum, EJirenb., De-Toni, Syll. Alg. i. 1193. 



var. obtusilobum, Dc Not. — Upper Walsh River (Dr. T. L. 



Bancroft). (O. Borge.) (Fig. 956.) 

 forma australica, W. Schmidlc, Ql. Bot. Bull. xv. 18. 

 Bieneanum, Rabenh., De-Toni, Syll. Alg. i. 1197. 



A form with the cell-wall almost minutely granulate- 

 has been collected at Nundah by C. T. White ; det. by 

 G. S. West. 

 var. ellipticum, Willc, De-Toni, Syll. Alg. 1197. 

 gracile, Ralfs., De-Toni, Syll. Alg. i. 1209. 



var. uniseriatum, H 7 cst., Alg. Madagascar; Trans. Linn.. 

 Soc. (2nd ser. Bot.) v. 77, PI. ix. fig. 3. 

 bicorne, Hauptfl., De-Toni, Syll. Alg. i. 1210; var. longe- 



brachiatum, Borge., Ql. Bot. Bull. xv. 17. 

 paradoxum, Meyen., De-Toni, Syll. Alg. i. 121 1. 

 sagittarium, Nordst., De-Toni, Syll. Alg. i. 1214. 

 sexangulare (Bulnh.), Lund., De-Toni, Syll. Alg. i. 1224. 

 var. australica, W. Schmidlc, Ql. Bot. Bull. xv. 19. 

 var. incurvum, Borge., Ql. Bot. Bull. xv. 19. 

 var. gemmescens, Playf. — Barron River (Dr. T. L. Ban- 

 croft). (O. Borge.) (Fig. 957.) 

 margaritaceum, Ehrenb., var. hirtum, Nordst. — Mosman? 



River (F. Muir). (West.) 

 subpinnatum, W. Schmidlc, 01. Bot. Bull. xv. 18. 

 rectangulare, Borge., Ql. Bot. Bull. xv. 17. 

 elegans, Borge., Ql. Bot. Bull. xv. 17. 

 retusum, Turner, Alg. East India, p. 104, plate xiii. fig. 13.. 



var. granulatum, Borge., 01. Bot. Bull. xv. 16. 

 approximatum, West, forma, Borge. 

 leptocladum, Nordst., De-Toni, Syll. Alg. i. 1233. 



var. cornutum, Wille., De-Toni, Syll. Alg. i. 1234. 

 Heimerlianum, Liitkcm, forma, West. — Mosman River 

 (F. Muir). (West.) 



BACILLARIE.E. 

 Order RHAPHIDE^E. 

 Family Naviculace^e. 

 Navicula, Bory., De-Toni, Syll. Alg. ii. 6. 



nobilis, Kuetz., var. Dactylus (Ehrb.), V.H., De-Toni, Syll.. 

 Alg. ii. 9. — Mosman River (P. Muir). (West.) 



