CLXIII. ALG^. 831 



Trichodesmium, Ehrcnb., De-Toni, Syll. Alg. v. 202. 



erythrseum, Ehrcnb., De-Toni, Syll. Alg. v. 202. — The Red 

 Sea is said to derive its name from the scum formed by 

 this plant. It emits a strong disagreeable odour, which 

 affects the mucous membrane, sometimes causing inflam- 

 mation of the eyes and troublesome sneezing. 



Su b-Family Spirulincce. 

 Arthrospira, Stizenb., De-Toni, Syll. Alg. v. 206. 



Jenneri (Kuetz.), Stiz., De-Toni, Syll. Alg. v. 206. — Nundah 

 (C. T. White). Det. by G. S. West. 

 Spirulina, Turpin, De-Toni, Syll. Alg. v. 208. 



princeps, W. and G. S. IVest, De-Toni, Syll. Alg. v. 211. — 

 Mosman River (F. Muir). (G. S. West.) 



Sub-Family Lyngbyecc. 

 Phormidium, Kuetz., De-Toni, Syll. Alg. v. 217. 



molle (Kuetz.), Gom., De-Toni, Syll. Alg. v. 219. — Mosman 



River (F. Muir). (West.) 

 tenue (Menegh.), Gom., De-Toni, Syll. Alg. v. 227. — Nundah 



(C. T. White). Det. by G. S. West, 

 solitare (Kuetz.), Rabenh., De-Toni, Syll. Alg. v. 236 = 



Lyngbya solitaris, Kuetz., Bail. Ql. Bot. Bull. vi. 55. 

 Retzii (Ag.), Gom., De-Toni, Syll. Alg. v. 241. — Mosman 

 River (F. Muir). (G. S. West.) 

 Lyngbya, C. Ag., De-Toni, Syll. Alg. v. 258. 



aestuarii (Mert), Liebm., De-Toni, Syll. Alg. v. 262. 

 majuscula (Dillvv. ?), Harv., De-Toni, Syll. Alg. v. 268. 

 serugineo-caerulea (Kuetz.), Gum., De-Toni, Syll. Alg. v. 281. 



Sub-Family Schizotrichece. 



Hydrocoleus, Kuetz., De-Toni, Syll. Alg. v. 315. 



lyngbyaceus, Kuetz., De-Toni, Syll. Alg. v. 317. 



Microcoleus, Desm., De-Toni, Syll. Alg. v. 370. 



tenerrimus, Gomont, De-Toni, Syll. Alg. v. 2>7Z- 

 paludosus (Kuetz.), Gomont, De-Toni, Syll. Alg. v. 376. 



Family Nostochace/E. 

 Su b-Family Heterocystidece. 



Xostoc, Vouch., De-Toni, Syll. Alg. v. 386. 



paludosum, Kuetz., De-Toni, Syll. Alg. v. 390. 

 Linckia (Roth.), Bornet., De-Toni, Syll. Alg. v. 391. 

 Passerinianum (De Not.), Bornet et Thuret, De-Toni, Syll. 

 Alg. v. 399. Hab. : In grass land, after rain. Coll., ? 

 Det. by A. D. Cotton, 

 cseruleum, Lyngbye, De-Toni, Syll. Alg. v. 416. 



