Alga, by W. H. Harvey.) FLORA OF TASMANIA. 313 
6. Nitophylium multinerve (Hook. fil. et Harv. Lond. Journ. iv, p. 255; Fl. Antarct. i. p. 473; 
Harv. Ner. Austr. p. 119; J. Ag. Sp. Alg. ii. p. 666). 
Haz. Derwent, Mr. Oldfield. Southport, C. Stuart. 
Disrmim. Antarctic shores and New Zealand, 
Gen. LXVI. GRACILARIA, Grev. 
(Grev. Alg. Brit. p. 121. J. Ag. Sp. Alg. ii. p. 584.— Plocaria, Endl. 8rd Suppl. p. 50.) 
l. Gracilaria confervoides (Grev. Alg. Brit. p. 123; Harv. Phyc. Brit. t. 65; J. Ag. Sp. Alg. 
ii. p. 587).—Fucus confervoides, Turn. Hist. €. 84; E. Bot. t. 1668. 
Has. Georgetown. A depauperated variety in the rivulet of brackish water. 
DisrRis. Cosmopolitan. 
Gen. LXVII. MELANTHALIA, Mont. 
(Mont. An. Sc. Nat. 1843. Kütz. Sp. Alg. p. 784. J. Ag. Sp. Alg. ii. p. 611.) 
l. Melanthalia obtusata (J. Ag. Sp. Alg. ii. p. 614; Harv. Phyc. Austr. t. 25).—M. Billardieri, 
Mont. Kütz. Sp. Alg. 784. Fucus obtusatus, Labidl. Nov. Holl. t. 255; Turn. Hist. €. 145. B. in- 
termedia, Harv. Phyc. Austr. t. 25. f. 2. M. abscissa, Hook. and Harv. in Lond. Journ. iv. p. 548 
(excl. syn.). 
Haz. Northern coast, and islands in Bass's Straits. 8. Port Arthur, Dr. Jeannerett. Southport, 
C. Stuart. | 
DisrarB. South coast of Australia. 
Gen. LXVIII. DICRANEMA, Sond. 
(Sond. in Bot. Zeit. 1845, p. 56. J. Ag. Sp. Aig. ii. p. 633.) 
1. Dicranema Grevillii (Sond. in Bot. Zeit. 1845, p. 56; J. Ag. Sp. Alg. ii. p. 634).—Gracilaria 
pumila, Grev. in Ed. Journ. iii. p. 338, eum ic. 
Has. Flinders’ Island, Dr. Milligan. 
2. Dicranema? furcellatum (Hook. fil. et Harv. in Lond. Journ. vi. p. 405; J. Ag. Sp. Alg. ii. 
635). 
E Port Arthur, Dr. Jeannerett, Rev. Mr. Ewing, W. H. H. Tasmania, C. Stuart. 
Until the fruit of this plant shall have been found, the genus must remain doubtful The habit is that of a 
Dicranema, but the strueture of the frond does not exactly aceord with that of the other species. 
Gen. LXIX. PHACELOCARPUS, Endl. et Dies. 
(Endl. et Dies. Bot. Zeit. 1845, p. 290. J. Ag. Sp. Alg. ii. p. 646.—Clenodus, Kütz. Phyc. Gen. p. 407.) 
1. Phacelocarpus Labillardieri (J. Ag. Sp- Alg. ii. p. 648).—Ctenodus Labillardieri, Kütz. 
Phyc. Gen. p. 407. t. 58. f. 25 Hook. fil. et Harv. Lond. Journ. iv. 549. Fucus Labillardieri, Turn. 
Hist. t. 137. 
Has. Sea-shores, common. 
Disrr1B. West, south, and east coasts of Australia. New Zealand. 
lanatus (Harv.); fronde angusta plano-compressa immerse v. obsolete 
atisectis, lacinulis subulatis distichis, nematheciis 
rv. Alg., Austr. Exsicc. n. 306. 
4 L 
2. Phacelocarpus comp ehe 
costata decomposita, ramis ramulisque pectinatim pinn 
minutis hemisphzericis infra apices lacinularum sessilibus.— Ha 
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