ALGÆ TASMANICÆ. 401 
Has. George Town, Mr. Gunn. ^ 
26. Dasya hormoclados, J. Ag. in Linn. 15. p. 32. Harv. 
Ner. Austr. ined. 
Has. George Town, Mr. Gunn. The Tasmanian speci- 
mens are much larger and more luxuriant than those 
described by Agardh, which we have examined in the Her- 
barium of Senator Binder, of Hamburgh, but otherwise 
the same. 
27. Dasya ceramioides, Harv. l. c. p. 435. Ner. Austr. ined. 
Has. George Town, Mr. Gunn. 
Fam. 2. CnuoNpRiEx, J. Ag. 
28. Cladhymenia Guanii, Harv.—Laurencia? membranacea, 
Harv. l c. p. 443. 
Has. George Town, Mr. Gunn. 
29. Laurencia elata, Harv.—L. pinnatifida, B. elata, Ag. Sp. 
Ag. 
Has. Tasmania, Mr. Gunn, Dr. Jeannerett, &c.—A common 
form in Tasmania, perhaps worthy of specific distinction. 
The frond is 12-18 inches high, 3-4 times pinnated, and 
becomes a fine pinky red in fresh water. | 
30. Laurencia obtusa, Lamour.—Harv. 1. c. p. 444. 
Has. Tasmania, Mr. Gunn. 
31. Laurencia botryoides, Gaill. —Harv. l. c. p. 444. 
Han. Tasmania, Mr. Gunn. 
32. Laurencia papillosa, Grev.—Harv. l. c. p. 444. 
: Tasmania, Mr. Gunn. 
33. Laurencia Forsteri, Grev. 
Has, Tasmania, Mr. Gunn. 
34. Laurencia dasyphylla, Grev.—Harv. Le. p. 444. 
Has, Tasmania, Mr. Gunn. 
35. Laurencia tenuissima, Grev.—Hare 1 l. c. p. 444. 
Has. Tasmani 
la, Mr. Gunn. 
36. Laurencia fusifolia, Hook. fil. et Hate. ME 
scriptione conico-ovata dense ramosa robusta, caule indi- 
viso v, vage ramoso, ramis lateralibus crebris. alternis - 
quadrifariis basi et apice attenuatis simplicibus. pinnatis - 
