ALGÆ TASMANICÆ, — 399 
onustis, ramulis articulatis brevissimis subulatis junioribus 
basi tantum spinulosis adultis glomerato-spinosissimis api- 
culatis, articulis diametro sublongioribus bistriatis, —Harv. 
_ Ner. Austr. p. 41. t. 14. 
Haz. Tasmania, Mr. Gunn. 
11, Polysiphonia frutex, Harv. Lond. Journ. Bot. l. c. p. 439, 
AB. Tasmania, Mr. Gunn. à 
12, Polysiphonia fuscescens, Harv. 1. c. p. 439. 
AB. Tasmania, Mr. Gunn. 
18. Polysiphonia cancellata, Harv. l. c. p. 440. Ner. Austr. 
t I5, ; 
Has. Very common ; parasitical on Sargassum para- 
- dozum, &c. E 
14. Polysiphonia mollis, Hook. fil. et Harv.; frondibus arti- 
Culatis pellucidis basi setaceis mox capillaribus supra 
tenuissimis flaccidis gelatinosis, caule irregulariter dicho- 
tomo decomposite ramosissimo, ramis ramulisque gradatim 
tenuioribus erecto-patentibus, axillis acutis, ceramidiis 
Rumerosissimis ovatis, articulis bistriatis inferioribus dia- 
metro æqualibus mediis duplo-triplove ultimis sesqui-sub- 
duplolongioribus. Harv. Ner. Austr. p. 43. 
. Has. Parasitical on the larger Algæ, Mr. Gunn. f ow 
= 15, Polysiphonia versicolor, Hook. fil. et Harv.; majuscula, 
_‘Coccinea madefacta aurea, fronde e filis repentibus orta 
. Támosissima setacea parum attenuata, caule indiviso furca- 
tove per totam longitudinem ramis lateralibus ramulisque 
subulatis onusto, ramis patentibus simplicibus v. divisis, ra- 
. Mulis simplicibus subacutis patentibus alternis secundisve 
= Subdistichis, articulis diametro sesquilongioribus, siphoni- 
a bus subdecem, ceramidiis infra apices ramulorum sessilibus 
| Ovatis Harv, Ner. Austr. p. 48. t. 16. à 
E Has. Tasmania, Mr. Gunn. | jr + HR 
. 16. Polysiphonia monilifera, Hook. fil. et Hary.; majuseula, — 
.....COccinea, fronde (e filis repentibus orta ?) capillari flaccide : 
. decomposite ramosa, caule parum diviso ramis lateralibus 
. Tamulisque filiformibus ornato, ramis 
. fundis erecto-patentibus simplicibus, ramulis. 
