AUSTRALIAN AND TASMANIAN ALG. xlvil 
CLVI. PRIONITIS, J. Agardh. 
606. microcarpa; J. 4g. (Sp. Alg. ii. p. 187.) 
Has. West coast of New Holland, Mus. Paris. Encounter Bay, Dr. 
Mueller. 
607. australis, J. 4g. (Sp. Alg. ii. p. 188.) 
Has. Southern Ocean, Herd. Agardh. (Locality uncertain.) 
608, Sternbergii, J. 4g. (Sp. Alg. ii. p. 190.) 
Has. Southern Ocean, Henke. (Locality uncertain.) 
CLVII. GRATELOUPIA, dgardh. 
609. gigartinoides, Sond. (Sond. in Linn. xxvi. p. 517.) 
Has. Port Philip, Dr. Mueller. (Unknown to me.) 
CLVIII. SCHIZYMENTA, J. Agardh. 
610? bullosa, Harv. (PLare CCLXXVIL.) 
Has. Western Australia, G. Clifton. 
CLIX. NEMASTOMA, J. Agardh. 
611. Feredaye, Harv. (Fl. Tasm. ii. p. 327. t. 195. A.) 
Has. Georgetown, Tasmania, Mrs. Fereday. Western Port, W. H. H. 
612? palmata, Harv. Piatt CCLXIL.) 
Has. Tasmania, Miss Brown ! 
613? comosa, Harv, (PLatTEe CIX.) 
Has. Western Port, Victoria, WY. H. H. 
CLX. GULSONTIA, Harvey. 
614, annulata, Harv. (Fl. Tasm. ii. p. 320. t. 193 A.) 
Has. Philip Island, Western Port, 7. H. H., Dr. Mueller! George- 
town, Tasmania. 
Family XVIII. CERAMIACE. 
CLXI. CENTROCERAS, Kiitzing. 
615, clavulatum, 4g, (J. Ag. Sp. Alg. ii. p. 148.) 
Has. West and south coasts of New Holland. (Warmer seas of both 
hemispheres. New Zealand.) 
616, cinnabarinum, J, 47. (J. Ag. Sp. Alg. p. 148.) 
Has. St. Kilda, Port Philip, Z. H. Waits ! (Adriatic and Mediterranean 
Seas, J. Agardh. 
CLXII. CERAMIUM, Aygardh. 
617. cancellatum, 47, (J. Ag. Sp. Alg. il. jie 136.) 
Has. Sealer’s Cove, Dr. Mueller. (New Zealand. Cape of Good 
Hope. 
618, rubrum, 49. (J. Ag. Sp. Alg. i. p. 127.) 
Has. Coasts of Australia and Tasmania. (Cosmopolitan.) 
619. pusillum, Harv. ; fronde parvula dichotoma fastigiata disticha, segmentis 
erecto-patentibus, ‘apicibus i incurvis, articulis onmilas brevibus corticatis, in- 
ferioribus diametro eequalibus ad eenicula non contractis, tetrasporis circa 
