A biological study of Durvillaea antarctica (Chamisso) Hariot and D ...

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to slightly flattened, tapering distally, usually shorter- than 0.5 m
long. Grooves at base uncommon. Without stipitate lateral
laminae" Lamina va:r:iably divided. Solid and leathery, devoid of
any honeycomb-lDc€ tissue. Wi th stipi tate lateral blades a:r'is:Lng
from along lower margins" Margins differentiated. Medulla very
compact throughout. Walls of inner cortical and medullary cells
thin and n.ever greatly bOl:'ne both OT!
t.he concep-tacle wall and on. branched paraphyses.
sublit.toral fringe and upper sublittoraL
Southeast Australia and Tasmania (Ref. Chapter 4).
(2) DuroiUaea antarctica (Chamisso in Cho:cis) Hariot 1892,
VoL 5 ;1432.
Fucus antaX'ct'icUB Chamisso 'tn ChOl::is. Voyage
pittoresque aut~ur du monde, PL1: 7 J Pi.. 7 (182),)
! "Radix
---......
discoideCL) peb>am incY'Ustan8.
..,;.-;.;;.;;...
Stipes (ve l :dnguZus~ veZ duo ex eadem mdice) teres
(!2'aS8 us ~
semipedi Z 1:8" peripheY'ia quinquepo l ieari;
in frol1dem (laminam?) ahiens subrotondoflabelliformen
compZanatam~
crasBitie digiti3
enervem~ mox digita tam , Lacin5ae nWfierosae erectae~
(primar'iae 8-10):, inferne corrrpressae J
piu(>'ies
. inordinate divisae et ramiferae~ axilZi,s t'otundati8:.
SLlpe1"ne simpZicissimae~
crC(Ss"I:tie digib: j
longissimae J
flagelliformec-, tere'l;es~
longip.A.dine 'inaequates>
altitlJ.dinem oY'gyalem sesquioY'gyalemve
attingentes) apice obtusoe.
S nbs tantia ce l Zu losa.
Ft·u.ctificatio igno£:a.
Color () livaceus.
Alga dubiae ajjinitatis 3 et fOY'sitan J fl~tificatione
recogni ta~ sui genens J a ! ... aminar iis Lamx.
1\g. Lyngb_ SlAbstantia cellu7,osa aJJhoreYls, alioquin
Lamina)": iae dig ita.tae stlhsim1: lis. II
'l'he comple te pla.nt. in plate '7
(Fig. 3 .le) _
This excellent illustration shot'/s all the featu:r.'es
me ntione d in the de scr iption ,
Adelbert: de Ch(Unisso waS botanist on the Hussian
ship "Ru:cisevl