XX SYNOPTIC CATALOGUE OF 
221. erassiuscula, //ayv. (Il. Tasm. ii. p. 299.) 
Has. East coast of Tasmania. 
222, tasmanica, J, 47. (Sp. Alg. ii. p. 1018.) 
Has. Georgetown, Tasmania, on the flats. 
Sect. 2. Dicnoroma™. Tota frons pellucide articulata, subdichotoma, decom- 
posite ramosa, Lamuli tetrasiphonit. 
223. Roeana, //arv. (PLATE XXXV.) 
Has. Fremantle, Western Australia. 
224. abscissa, Hook. f. and Harv. (Ner. Austr. p. 43; also P. microcarpa, 
Hook. f. and Harv. Fl. Ant. i. p. 479. t. 182. f. 3.) 
Has. Tasmania, 2. Gunn. Port Philip, Mr. Rawlinson ! at Williams- 
town, VW. H. H. 190,191. (Cape Horn. New Zealand.) 
225, havanensis, Mont. (Ner. Bor. Amer. ii. p. 34. 
Has. Western Australia. Lake King, South Australia, Dr. Mueller ! 
(Havana, Cuba. Key West, Florida.) 
226, ferulacea, Suhr. (J. Ag. Sp. ii. p. 980.) 
Has. Western Australia. Table Cape, Tasmania, Miss Mackenzie. (Gulf 
of Mexico. Indian Ocean.) 
927. laxa, Harv. (FI. Tasm. i. p. 300.) 
Has. East coast, Tasmania, Rk. Gunn. 
228. succulenta, Harv. (Fl. Tasm. ii. p. 300.) 
Has. Georgetown, Tasmania, Rk. Guan! M‘Gowan! Port Philip, Dr. 
Mueller, W. H. H. (189). Sealer’s Cove, Dr. Mueller. 
229, Blandi, Harv. (PLate CLXXXIV.) 
Has. Port Philip. 
230. mollis, Harv. (Ner. Austr. p. 43.) 
Has. South coast of Australia. Port Philip. River Hopkins, Warnam- 
boul, H. Watts. Tasmania, in the Tamar, abundant. Western Australia, 
on bivalve shells, G. Clifton. 
931, infestans, Harv. (J. Ag. Sp. Alg. i. p. 959.) 
Has. Parasitical on Polyphysa peniculus, at King George’s Sound. 
932. rufolanosa, /Jarv. (J. Ag. Sp. ii. p. 930.) 
Has. On stems of Cymodocea antarctica, at King George’s Sound. 
233. vagabunda, /farv. (Fl. Tasm. i. p. 300.) 
Has. Eagle-Hawk Neck, Tasmania. 
234, scopulorum, //u7v. (Ag. Sp. i. p. 940.) 
Has. Littoral rocks, Rottnest, Western Australia. 
235. implexa, Hook. f. and Harv. (Ag. Sp. ii. 945.) 
Has. King George’s Sound. (New Zealand.) 
236, prostrata, Harv. (Ag. Sp. i. 915.) 
Has. Parasitical on Zonaria nigrescens, Western Australia. 
Sect. 8. GromeruLatH. Tota frons pellucide articulata, subpinnata. Rami 
ramulis minutis multifidis tetrasiphonis densissime onustt. 
257, glomerulata, Hndi. (Ag. Sp. 11. p. 1016.) 
Has. North coast of New Holland, Gaudichaud. (Mauritius, Telfair. 
India, Wight. Ceylon and Friendly Islands, YW. H. HZ. Japan, C. Wright.) 
