ALGZ OF TASMANIA, 445 
George Town, V. D. L., R. Gunn, Esq., n. 1314.— This 
specimen bears spherospores in the patent ramuli. 
25. Gracilaria lichenoides ? (Fucus lichenoides, Turn. t. 118 ?) 
George Town, V. D. L., R. Gunn, Esq., n. 1992.— Either 
G. lichenoides or a species very closely resembling it. The 
specimen produces irregular wartlike nemathecia. 
26. Sphaerococcus australis, Harv.; caule brevi, carnoso, 
cylindrico, mox cuneato et in fronde lineari, compresso- 
plana, membranaceá, coccineá, ecostatà abeunte; fronde 
decomposito-dichotomá ; segmentis circumscriptione fla- 
belliformibus, ramulis dichotomé multifidis sensim angus- 
tioribus distichis patentibus pinnatis; axillis rotundatis 
obtusissimis ; apicibus acutis, laceratis; coccidiis acutis 
demum tuberculatis ad apices ramulorum sessilibus. 
George Town, V. D. L., R. Gunn, Esg., n. 1279 :—also 
abundantly in the collection of 1840. Root scutate. Stem 
as thick as a sparrow's quill, cylindrical, cartilaginous, about 
a quarter of an inch in length, expanding thence, from a 
cuneate thickened apex, into a frond 4-12 inches long or 
probably more, which divides in an irregularly dichotomous 
manner into a few principal segments which preserve a 
nearly equal breadth of from 1-2 lines (in different speci- 
mens), and produce along their margins in a manner some- 
times alternately pinnate, sometimes alternately geminate 
secund, or imperfectly dichotomous, lesser distichous seg- 
ments half the breadth of those from which they spring, 
Which either at once divide into dichotomously multifid 
ramuli gradually narrower, or are themselves pinnated with 
such multifid ramuli. These muitifid ramuli, and even the 
major segments, preserve a tolerably defined flabellate out- 
line.—Such is the common state of the more regular speci- 
mens, but others occur which are cleft in a manner so ex- 
ceedingly irregular, between pinnate and dichotomous, that 
x is impossible to convey in words any idea of the branch- 
mg. One character, however, runs through all the varieties, 
namely: every axil, from the greatest to the least, is remark- 
ably rounded and large ; and in the more finely divided or 
