633. 
634. 
636. 
637. 
638. 
639 
640 
3. articulata, J. dy. (Sp. Alg. ii. p. 100.) 
AUSTRALIAN AND TASMANIAN ALG. xlix 
CLXVIL. CROUANIA, J. Ayardh. 
insignis, Harv. (Fl. Tasm. ii. p. 331. t. 198, B.) 
Has. South coasts of New Holland. Tasmania. 
vestita, Harv. (Piate CXL.) 
Has. Western Australia. 
, attenuata, yar, australis, Harv. (J. Ag. Sp. Alg. il. p. 105.) 
Has. King George’s Sound. Table Cape, Tasmania. (Atlantic and 
Mediterranean coasts of Europe. Keys of Florida.) 
Agardhiana, Harv. (Piate CCLVL) 
Has. King George’s Sound. 
Wattsii, Harv. (PLate CCXCI.) 
Has. Warnamboul, H. Watts. 
Muelleri, /Jarv. ; fronde rigidiuscula (non gelatinosa) pellucide articulata 
ecorticata decomposite ramosissima, ramis ramulisque sparsis sursum atte- 
nuatis ad genicula omnia verticillatim ramellosis, ramellis minutis tetrastichis 
dichotomo-multifidis obtusis, articulis ramellorum diametro sesquilongio- 
ribus. 
Has. Philip Island, Western Port, Dr. Mueller! (This has the size 
and habit of C. Agardhiana, but a pellucidly-jointed stem, as in C. attenuata. 
It is the least gelatinous of the ecorticate section.) 
CLXVIII. DASYPHILA, Sonder. 
. Preissii, Sond. (PLate LXVI.) 
Has. West and south coasts of Australia. 
CLXIX. THAMNOCARPUS, Harvey. 
. Gunnianus, Harv. (Hook. Ic. Pl. t. 662.) 
Has. Georgetown, Tasmania. South Australia. Western Australia, 
Harv. Alg. Exsicc. n. 482. (1 am doubtful whether or not the Western 
Australian plant be specifically identical with that of Tasmania. If not, it 
is very nearly allied to it.) 
CLXX, PTILOTA, Agardh. 
. Jeannerettii, Harv. (Puate CXCVIIT.) 
Has. South coast of New Holland. Tasmania. 
. coralloidea, J. 4g. (J. Ag. Sp. Alg. ii. p. 101.) 
Has. West and south coasts of New Holland. 
. Rhodocallis, Harv. (Piate XLIV.) 
Has. South coast of New Holland. Rare in Tasmania. 
. striata, Harv. (Puats LXXL1.) 
Has. Rottnest Island, Western Australia. 
. silieulosa, //arv. ; fronde complanata costata decomposite ramosissima, 
ramis majoribus alternis sparsisve, minoribus linearibus pectinato-pinnati- 
fidis, pinnulis e basi lata subulatis alternis simplicissimis, tetrasporis in 
glomerula siliqueeformia e pinnularum latere superiore enata congestis, ad 
fila callithamnoidea brevissima circum axim verticillata affixis. Harv. in 
Trans. R. [. Acad. xxii. p. 559. 
Haz. Western Australia, Mylue. Rottnest, YW. H. H. 
