ALGÆ TASMANICÆ, 407 
.. longissimis simplicibus furcatisve attenuatis, ramulis seti- 
formibus plus minus vestitis, setis brevibus patentibus 
crebris subulatis elavatisque apice fructiferis. 
Has. Circular Head, Mrs. Smith.—A very beautiful and 
' distinct species. 
10. Gelidium corneum, var. crinale. 
Has. Tasmania. 
71. Ginannia furcellata, Mont. 
Has. George Town, Mr. Gunn. 
72. Acropeltis phyllophora, nobis; caule (vix noto) filiformi 
ramoso, ramis flabelliformibus planis basi obsolete costatis 
pluries dichotomis, laciniis linearibus seepe proliferis, axillis 
rotundatis, margine integerrimo, peltis terminalibus. 
Has. Port Arthur, Dr. Jeannerett.—The habit of this is 
. very similar to that of Rhodymenia flabelliformis, or R. 
corallina, but the structure is different, and the fructifica- 
_ tion resembles that of the typical species. 
73. Gigartina livida, Grev. 
Has. Sandy Cove, Dr. Lyall, Dr. Hooker. 
74. Gigartina acicularis, var. pinnata. 
Han. Sandy Cove, Dr. Lyall.—More branching, and more 
regularly pinnated than the European form, and possibly 
distinct; but without seeing more numerous specimens 
,. ve are unwilling to multiply species. MAC. I 
d5. Gigarti chondroides, nobis; livida, fronde stipitata 
apice flabellatim ramosa disticha cartilaginea, ramis plano- 
compressis linearibus basi cuneatis pluries dichotomis pa- 
‘entibus fastigiatis, axillis latissime rotundatis, apicibus 
.. 9btusis, 2 
Ha». Sandy Bay, Dr. Lyall.—In habit this closely resembles 
. fM narrow form of Chondrus crispus, but the structure = 
18 widely different, and exactly similar to that of G. livida, — EC 
` from which it differs in ramification. - Per 
E s Mycuonga, Nov. Gen. … | 
Fons cylindraceo, carnoso-membranacea, intus 
n m 
