un 
184 CRYPTOGAMIA ANTARCTICA. [Puegia, the 
A very small plant, of which but few specimens were obtained, and by the dredge only : they are in a good 
state of fruit, and probably characteristic of the species. 
Puate CLXXXIX. Fig. 1L.—1, plant of the natural size; 2, portion of ditto; 3, ramuli ; 4, ditto, with favella ; 
5, tetraspores :— magnified. 
5. CALLITHAMNION flaccidum, Hook. fil. et Harv. ; gracillimum, ffaccidum, membranaceum, fronde laxe 
et, vage decomposite ramosa, ramis primariis et secundariis oppositis alternisve distichis elongatis patentibus, 
ramulis ultimis brevibus simplicibus patentibus oppositis secundisve apice incurvis, articulis. ramorum 
primariorum diametro multoties secundariorum 6-10 -plo ramulorum sesquilongioribus pellucide roseis 
enerviis. ` Nobis in Lond. Journ. Bot. vol. iv. p. 273. (Tas. CLXXXVIIL Fig. I.) 
Var. 8. alternifolium ; ramis ramulisque alternis secundisve rarissime paucis oppositis. 
Has. Hermite Island, Cape Horn; dredged up from about seven fathom water; abundant. 
Frons 2-4 unc. longa, laxe ramosa, membranacea, flaccida, rosea. Caules ramique gracillimi, filiformes. 
A very beautiful and delicate species, remarkable for the ramification being often truly opposite, always so in 
var. a, two branches springing from opposite points of the same articulation. On the other hand, when, as in var. 8. 
they are alternate or secund, it is owing to the inner ramuli on the branches becoming abortive, those along the 
outer edge alone being developed. There is no other difference between the two varieties. Specifically the pre- 
sent is most closely allied to the C. Turneri, but it is much larger and more branching. The colour is a very bright 
rose, and from the delicacy of the filaments, the plant forms a beautiful object when properly displayed upon 
paper. The articuli of the stem are often singularly elongated. 
Prare CLXXXVIIIL Fig. L—1, plant of the natural size; 2, ramus and ramuli; 3, apex of ramulus; 
4, favella :—magnified. 3 
6. CALLITHAMNION scoparium, Hook. fil. et Harv. ; ceespitosum, caulibus fastigiatis, primario crasso in- 
articulato fibris intertextis flexuosis stuposis vestito flabellatim ramoso, ramis primariis cauli similibus, secun- 
dariis strictis gracilibus pellucidis creberrime pinnatis bipinnatisve quadrifariis e primariorum apicibus fasci- 
culatim ortis fastigiatis, articulis diametro duplo triplo longioribus. Nobis ia Lond. Journ. Bot. vol. iv. 
p.173. (Tas. CLXXXIX. Fig. IIT.) 
Var. B. ramulosum ; pinnis apice ramulis secundis ornatis. 
Has. Var. a. Berkeley Sound, Falkland Islands; on rocks. Var. 8. Hermite Island, Cape Horn ; rare. 
Frons 2-3 unc. longa, dense fastigiata. Caules robusti, inarticulati, basi integra, fibris stuposis dense vestiti, 
in diseum latiusculum expansi. Rami cauli subsimiles, per totam longitudinem ramulis strictis dense fastigiatis 
quadrifariis vestiti (ut in Sphacelaria scoparia) ; secundarii articulati, vage ramosi, pinnati v. dichotomi secundive ; 
ommes erecti, ramulique plerumque appressi; apicibus obtusis v. acutis simplicibus v. ramulis brevibus pectinatis 
ornati. Substantia rigida. Color luride purpureus. 
A densely tufted species, with the habit of Sphacelaria scoparia, resembling amongst its congeners the C. tetricum 
of Britain, but abundantly: different under the microscope. It has also been found in Tasmania. 
PraTE CLXXXIX. Fig.. I1I.—1, plant of the natural size ; 2, ramus and ramuli ; 3, apex of the latter ; 4, fibres 
at the base of the stem :—magnified. 
7. CALLITHAMNION Montagne», Hook. fil.; fronde fruticosa ramosissima, caulibus primariis decom- 
positis sensim alternatis crassis quadrifariis inarticulatis opacis, ramis inarticulatis striatis ramulis quadri- 
