166 МК. А. D. COTTON ON CRYPTOGAMS 
* Dark myrtle-green in colour, occurring along the shores of the open 
ocean, where it appears to revel in the boisterous surf. During low-water 
spring tides, the long finger-like fronds are left stranded on the rocks, and 
on the return of the tide they afford a pretty sight being washed hither and 
thither by the waves." 
DURVILLEA HanvEYI, Hook. f. in Lond. Journ, Bot. iv. (1845) p. 249. 
Falkland Islands, Hooker, Skottsberg. W. Falklands, Vallentin. 
DisrnrB. Fuegia, Falkland Islands, S. Georgia (?), Kerguelen. 
The following notes by Mrs. Vallentin are worthy of record :— 
“The second species of Durvillea, D. Harveyi, flourishes in similar regions 
to the preceding and is similar in colour, but the fronds are broad and not 
split up to the same extent. The whole plant resembles rather a sheet of 
leather, and grows to a very large size. In the largest specimen we noted, 
which was washed ashore in King George's Sound, the stem when fresh 
measured 8} inches in circumference, and the whole plant was so massive 
that I eould not move it. I therefore fastened my horse to the stem and 
dragged it up above high-water mark. On spreading the fronds out on the 
turf, it was found to cover a space measuring 12 х 18 feet, the size of an 
ordinary sitting-room. The most striking feature about this plant is the 
strong, short stem, seldom, if ever, exceeding 6 inches in length, which is 
fastened to the sucker-like root by a kind of ball-and-socket joint, which 
allows the fronds to sway about in the waves (vide Pl. 6). The fronds of 
both species when dry present an appearance similar to honey-comb, and 
Tam informed that the dried fronds of Durvillea utilés, when cleaned out, 
are used as water-bottles in some parts of the South American continent." 
ADENOCYSTIS UTRICULARIS, Shottsb. Subant. и. Ant. Meeresalgen, i. р. 39. 
Л. Lessonit, Hook. f. et Нату. in Fl. Ant. i. р. 179, tab. 69. fig. 2; ii. p. 468. 
E. Falklands; Berkeley Sound, Hooker ; Port Louis, littoral pools and 
rocks, Skottsberg. W. Falklands ; West Point Island, Mennis. 
Disrris. Fuegia, Falkland Islands, 8. Shetlands, S. Orkneys, Louis 
Philippe Land, Cockburn Island, 8. Georgia, Kerguelen, Tasmania, New 
Zealand, Auckland Island, Campbell Island. 
Gain (712) gives a good account of this plant. He uses the more familiar 
name A, Lessonii, but, since Dory's Asperococcus utricularis antedates his 
A. Lesson by two years, the combination employed by Skotisberg is 
correct. 
LESSONIA NIGRESCENS, Bory in Duperry, Voy. Bot. Crypt. р. 80, tab. 5. 
Е. Falklands, Hooker ; Port William, Skottsberg. W. Falklands ; Roy 
Cove, in rock-pools, Vallentin. 
Disrris. Peru, Chile, Fuegia, Falkland Islands, S. Georgia (?), Kerguelen, 
Heard Island, Tahiti (teste Grunow). 
