riatc LX. 



4 



278. — Callithamnion Rothii, Lyjigh. 279. — Calhthamnion mesocarpum, Carjn, 



280. — Callithamnion sparsum, Harv. 281. — Callithamnion Daviesii, Lyngh. 



282. — Callithamnion virg-atiilum, Harv. 



283. — Callithamnion pediccUatum, Ag. 



