of these plants, and, I hope, to discriminate between tbem.
E. Landsburgii is not only more thorny in aspect, but is of a
far more rigid substance, and much less transparent ; nor does
it grow in large densely interwoven tufts like E. distortus.
Both species appear to be of rare occurrence.
The figure now given has been prepared partly from an
original drawing by Carmichael, and partly from one oi his
specimens.
Fig. 1. Tuft of E ctocarpus distortus -.— the
° filameut, to show the brauehiug:—ma,
same:— highly magnijied.
ie. 3. Portiou of a
3. SmaU fragment of the
' i