78 
REVIEWS. 
variety of beautiful algae. The water in these basins is always intensely trans¬ 
parent ; the bottom frequently of white sand ; and the steep and craggy sides 
clothed with algae vegetation, in which the brightest tints of green, purple, 
carmine, and olive, and the most graceful waving forms, are mingled in rich 
variety. Here is the favourite locality of some eight or ten species of Caulerpa , 
of several very distinct forms, and every one a beautiful object. All these are 
green ; but the tints vary from the darkest bottle-green to the pale, fresh green 
of an opening beech leaf. Some resemble soft ostrich feathers; others, branches 
of the Norfolk Island pine; others, strings of beads; others, squirrels’ or cats’ 
tails ; and C. scalpelliformis is like a double saw. Under the shelter of the 
Caulerpcc the smaller Rhodosperms (such as Dasyce and Callithamnia) are often 
found. But these are most numerous on the perpendicular sides of the border reefs, 
where also rich meadows of Caulerpcc are seen waving in the clear water, from a 
foot beneath the surface to a considerable depth. Various Fucoidece and Ecklonia 
radiata are scattered here and there through the deeper pools, and on the sides 
of the reef. None of these are ever left dry at low water. In many places a 
profusion of a JBryopsis ( B . Australis ) enlivens the rocks with its silky tufts of 
green, each tuft separate from its neighbour. Some of the shallower reefs, near 
high-water mark, are partially covered with sand ; and this is the habitat of 
Penicillus arbuscula , a little green Alga, which may be compared either to a 
miniature tree, or to a shaving-brush. Struvea plumosa abounds on all the 
reefs, at about half-tide level, generally growing on the very edges of the rock- 
pools and border reefs. I obtained from Mr. Stanford, Colonial Secretary, a 
specimen of a new Struvea , sent by Mrs. Drummond from Champion Bay, 
differing from S. plumosa in its vastly larger size, and more compound network. 
The specimen has been bleached white, and in this state strongly resembles a 
beautiful pattern of old point-lace , and might be made into ladies’ collars, as it is 
of a tough substance.” 
The catalogue contains 352 species, of which 277 appear peculiar to 
the Australasian flora, and 75 either to pelagic species or to more or less 
distant botanical regions ; these may be grouped as follows :— 
Whole number collected. Australian. 
Ser. 1.—Melanospermese 
42 
26 
,, 2.—Rhodospermese 
... 270 
216 
„ 3.—Chlorospermese 
40 
35 
352 
277 
In reviewing the algae collected in this tour, not the least interesting 
feature is the comparison of the connecting links which may be traced, 
showing affinity with the vegetation of other coasts. 27 species, common 
to both the British Islands and Western Australia, have been observed by 
Dr. Harvey; for an enumeration of these, as well as those which associate 
this very rich marine flora with other lands, we must refer our readers to 
the pages of a memoir which, like everything that has issued from the 
same pen, will be gladly received by all who feel an interest in the subject 
of which it treats. Our regret at the brief way some points are touched 
upon is, however, removed by the promise of copious descriptions, and a 
fuller memoir, on its author’s return to Europe, when we hope to call our 
readers’ attention to the result of his labours. 
