U a b . Georgetown, plentiful, Gunn.
D i s t r ib . West and south coasts of Australia; common in Port Phillip.
2. D a sy a Lawrenciana (Harv. Ner. Austr. p. 60. t. 18.)—Pol. Lawrenciana, Haiv. lond. Journ.
iii. p . 438.
H ab. Georgetown, rare.
I have doubts whether this be more than an opaque variety of D. Gunniana.
3. D a sy a cap illa r is (Hook. fil. et Harv.; Harv. Ner. Austr. t. 19).
H a b . Georgetown, on the wooden piles of the pier, etc., and on Alga.
4. D a sy a na cca r io id es (Harv. in Hook. Lond. Journ. iii. p. 4 3 2 ; Harv. Ner. Austr. p. 63. t. 22).
H a b . Abundantly at Georgetown.
D i s t r i b . South coast of Australia.
5. D a sy a Tasman ica (Sond.); “ caule crasso elongato cartilagiueo nudo alterne ramoso, ramis
subelongatis iterum ramosis inarticulatis, ramulis divarieatis densissime ramellis roseis monosiphoniis
vestitis, ramellis patentibus dichotomis, articulis diametro duplo triplove longioribus, termiuali obtusissimo,
ceramidiis ovato-subglobosis brevissime pedicellatis.”—Sond. in Linn. xxv. p . 702.
H a b . Tasmania, Stuart. Ou the Flats, Georgetown, R. Gunn.
Frond 6-1 2 inches long, robust, decompound. BrancliesXaiexaX, elongate, patent, set with one ov two series of
shorter branchlets and ramnli. The main stem and branches are denuded; the shorter branchlets and ramuli
densely covered with dichotomo-multifid ramuli. The habit is very similar to that of B. elongata, but the ramelli
are obtuse, not acutely pointed as in that species.—Our specimens are dull reddish-brown, and closely adliere to
paper. We have not seen an authentic specimen of Sender’s plant.
6 . D a sy a hapalathrix (Haiv.) ; caule longissimo (4-6-pedali) glabro repetite decomposite ramoso,
ramis plnri-pedalibus cartilagineis virgatis crassis sursum attenuatis lateraliter ramosis, ramis minoribus
bis terve compositis, ramulis ultimis setaceis ramelliferis, ramellis roseo-puniceis raoiiosiplioniis mollissimis
tenuissimis dichotomis attenuatis axillis acutis divisuris ultimis longissime filiformibus, articulis ramellorum
diametro 3-6-plo longioribus, ceramidiis subsessilibus v. breve pedicellatis urceolatis ore prominulo,
stichidiis minutis fusiformibus acutis.—Harv. Alg. Exsic. Austr. n. 201; Phyc. Austr. t. 8 8 .
H a b . In the Tamar, at Point Rapid, W. II. li.
D i s t r ib . Port Phillip Heads.
Frond sometimes 6 feet long, the branches 3 or 4 feet. Stem 1-2 lines in diameter at base, cartilaginous,
attenuated upwards. Branches lateral, spirally inserted, many times compounded alternately, all the divisions
virgate, tapering to the apex. The general chcumscription of the larger branches is lanceolate, of the smaUer, ovate-
acuminate. The ultimate ramuli are setaceous, about \ inch long, and are alone clothed with rameUi, which are
of a bright, purplish, rose-red colour, weU preserved in drying. Tlie plant may be immersed in fresh-water without
injury for a considerable time, a character by which it is readily known from those varieties of B. villosa which
resemble it in habit. The ramelli, though exceedingly soft and flaccid, may be readily removed fiorn paper, anil
open again in water with facility.
7. D a sy a v illo sa (Ilarv. in Lond. Journ. iii. p. 4 3 3 ; Harv. Ner. Austr. p. 61. t. 20).
H ab. Georgetowu, etc., common.
D i s t r ib . West and south coasts of Australia, especially in Port PliiUip.
An extremely variable plant in size and ramification, as well as in colour, being sometimes dark purplish-red,
sometimes bright rosy-purple. It is the softest and most gelatinous of the Australian species, almost instantly decaying
in fresh-water, and in this and other respects nearly resembles the northern B. elegans.
8 . D a sy a Feredayse (Harv.) ; caule elato glabro opaco cartilagineo decomposite ramosissimo, ramis
lateralibus virgatis gracilibus quaquaversis iterum et iterum alterne divisis, minoribus nunc virgatis simplicibus
nunc ramosis attenuatis ramelliferis, ramellis roseis monosiphoniis undique insertis patentibus vel
squarrosis ad apices densioribus dichotomo-multifidis axilhs patentibus apice attenuatis, articulis ramellorum
diametro 4-6-plo longioribus cylindraceis, ceramidiis . . . ?— Harv. Alg. Exsic. n. 220.
Var. 0 ; ramis ramulisque squarrosis.—Ilarv. Alg. Exsic. n. 221.
H a b . In the Tamar, at and above Georgetown, Mrs. Fereday, ele.
Frond 1-2 feet long or more, half a line to a line in diameter at base, set throughout with lateral branches
spreading in all dhections, the lower long, the upper gradually shorter. Branches vhgate, three or four tijoes
alternately decompound, each set of branches more slender, generally straight and erecto-patent, sometimes squarrose
and cuived, All the larger branches are glabrous, the lesser ones hut sparingly covered with ramelli, the penultimate
ones alone thickly ramelliferous ; but different specimens differ greatly in the density and copiousness of the ramelli.
Every part of the frond is inarticulate, coated with small cells. The ramelli are patent, sometimes squarrose, many
times dichotomous, attenuated to the points, and their articulations are 3-6 times as long as broad. The colour is
rosy-red, well preserved in drying. The substance is firm, and the plant may be immersed for some time in fi-esh-
ivater without injury.—I have not seen any fructification.
I fir-st saw some fine specimens of this plant in the coUection of Mr-s. Fereday, of Georgetown, to whom the
species is dedicated, and afterwards I collected it in considerable abundance in the Tamar. It has also been sent in
Mr. Gunn’s later collections.
9. D a sy a Haffiæ (Harv.) ; caule elato villoso opaco cartilagiueo decomposite plumoso-pinnato,
ramis virgatis distichis subtripiniiatis ramulisque patentibus densissime ramelliferis, ramellis roseis undique
insertis squarroso-crispatis dichotomo-multifidis axillis patentibus apice acutis vix attenuatis, articulis ramel-
lorum diametro sesqui-subduplo-longioribus, ceramidiis sæpe pinnules últimos terminantibus globosis ore
porrecto densissime ramellis involucrato-vestitis, stichidiis minutis ovalibus mucronatis.—Ilarv. Alg. Exsic.
n. 2 2 2 .
IIab. Georgetown, rare, R. Gunn. Table Cape, Miss Mackenzie.
D i s t r ib . First found at Western Port, Victoria, W. H. H.
Frond 12-18 inches higli, and nearly as much in expansion, nith a pi-incipal undivided or once-forked stem,
closely set thronghout with patent lateral branches, the lowest of which ai'e longest. These branches are distichous,
or nearly so, aud are twice or thrice plumoso-piniiate, the pinnæ and pinnules all patent. The pinnæ are of unequal
lengths, long and short intermixed ; the smaller ones are either simple or once pinnate, the larger two or tiiree
times decompound. The main branches at first are densely ramellose, but become bare ivith age ¡ all the lesser
branches generally retain their villosity. The pinnæ nnd pinnulæ are densely clothed ivith curled, intricate, squarrose
ramelli, many times dichotomous, not much tapering, but acute at the points, their articulations short. Ceramidia
generally terminate the shortest of the ramuli, aud are hidden in a dense nest of ramelli, which cover over
even the walls of the cevmnidium, Stichidia minute. Colour a rosy red, sometimes tm'uing brown in drying. Substance
soft, but not gelatinous.—The specific name is in honour of Mrs. M‘Haffie, of Philip Island, Western Port.
The specimens from Table Cape are much injured, and iu part denuded of ramelli, and may possibly belong to a
diflerent but closely allied species.
10. D a sy a Muelleri (Soml.) ; caule elato (pedali et ultra) crasso villis stip.ato subdicliotomo, segmentis
ramiferis, ramis secundariis longissimis (1- 2 -pedalibus) caule multo teuuioribus glabris corticatis
simplicibus inferne sæpe denudatis superne pulclierrime plumoso-piiinatis, pinnis alternis crebris horizontalibus
plus minus ecorticatis polysiplioniis iterum piiuiulatis, piimulis oligosiphoniis brevissimis ramelliferis,
ramellis dichotomis attenuatis obtusis, articulis diametro 2-4-plo longioribus, ceramidiis magnis pedicellatis