274. 
277. 
278. 
279. 
280 
281 
282 
AUSTRALIAN AND TASMANIAN ALG. XX 
. hapalathrix, //arv. (PLarn LXXXVIII.) 
Has. Georgetown, Tasmania. Port Philip. 
. Feredayee, Harv. (Puate CLXXVII.) 
Has. Georgetown, Tasmania, Mrs, Fereday. 
. Haffie, Harv. (PuatE CXLIIT.) 
Has. Philip Island, Western Port. Table Cape, Tasmania. 
. naccarioides, //arv. (Ner. Austr. t. 22. 
Has. West and south coasts. Tasmania. (The figure in Ner. Austr., 
drawn from a very poor specimen, does not do justice to this very hand- 
some plant.) 
. decipiens, Sond. (Linn. xxvi. p. 526.) 
Hap. Port Philip, Dr. Mueller. (Said to be very nearly allied to D. 
elongata and D. naccarioides.) 
. sarcocaulon, /Jurv. (PLATE CCLXXVII.) 
Has. Western Australia, G. Clifton. 
. Cliftoni, //ary. (Prater III.) ; 
Has. Fremantle, Western Australia, G. Clifton. King George’s Sound, 
ee 
. elongata, Sond. (Ner. Austr. t. 23.) 
Has. West and south coasts, common. 
proxima, Harv. ; fronde crassa corticata vage ramosa, ramis elongatis 
virgatis seepius simplicibus, ramis omnibus ramulos breves quoquoversum 
emittentibus, ramulis corticatis simplicibus v. iterum ramosis, junioribus 
ramellis vestitis, ramellis subverticillatis dichotomis e basi lata conspicue 
attenuatis, axillis patentibus, apicibus filiformibus obtusis, articulis diametro 
3-4-plo longioribus, ceramidiis ramulos primarios terminantibus urceolatis 
ore brevi prominulo. Harv. in Trans. R. Acad. xxii. p. 542. 
Has. Middleton Bay, King George’s Sound, WV. H. H. 
. Tasmanica, Sond. (HI. Tasm. ii. p. 302.) 
Has. Georgetown, Tasmania. Western Port, Dr. Mueller. 
. frutescens, Harv. (Ag. Sp. ii. p. 1225.) 
Has, Rottnest, Western Australia, on Zostera leaves. King George’s 
Sound. (D. collabens !, Harv. in Trans. R. I. Acad. (ewcl. syn.) is now re- 
ferred here.) 
struthiopenna, J, 4y. (Sp. Alg. ii. p. 1193.) 
Has. King George’s Sound, WY. H. H. (By me regarded as a var. of 
D. Muelleri ; by J. Agardh as a species.) 
Muelleri, Sond. (PiatE XXXI.) 
Has, West and south coasts, common. Tasmania. 
multiceps, Harv. (Ag. Sp. Alg. ii. 1195.) 
Has. Rottnest Island, Western Australia. Fremantle, Western Aus- 
tralia, G. Clifton. (Like a small state of D. Muelleri, but easily known by 
its pellucidly-articulate primary branches, etc.) 
. Archeri, Harv. (FI. Tasm. ii. p. 304.) . 
Has. Georgetown, Tasmania, YW. Archer. 
. Wrangelioides, Harv. (PLATE CLXXIV.) 
Has. Fremantle, Western Australia. 
. Callithamnion, Harv. (Pol. Callithamnion, Sond. Ner. Austr. p. 45.) 
Has. Western Australia, abundant. 
