OF SOUTH AUSTRALIA. 
397 
Cheilosporum pulchellum Ilarvey. 
Frond dwarf, shortly stipitate, dichotomous, flabelliform, fastigiate, 
articulations sagittate, custate in the centre, often transversely rugulose, 
articulations one and a half times as long as wide, lobes short, acute, erect. 
West Australia (Rottnest Island). 
Cheilosporum Wardii (Harv.) De Toni. 
= Arthrocardia Wardii Areschoug. 
Frond robust, densely pinnulated, with a very wide outline; pinnae 
and pinnellae very dense, erecto-patent, shorter above; articulations 
scarcely longer than wide, thickened at the base, compressed-terete, almost 
quadrate, compressed in the middle forming a cuneate-deltoicl hexagon with 
obtuse angles, quadrate above; articulations of the ramuli cuneate or 
oblong, compressed, the final ones elliptic and very obtuse. 
Victoria (Port Phillip), East Coast, Tasmania. 
Cheilosporum Mallardiae (Harv.) De Toni. 
= Arthrocardia Mallardiae Areschoug. 
Frond robust, densely pinnulated with a very wide outline, pinnae and 
pinnellae very dense, erecto-patent, shorter above, final pinnellae slender, 
attenuated, and terete. Articulations nearly twice as long as they are wide, 
thickened at the base, compressed in the middle, forming a cuneate-deltoid 
hexagon, with obtuse or slightly acute angles, cuneate above ; articulations 
of the ramuli cylindrical, filiform, with acute apices. 
Victoria (Port Phillip). 
JANIA Lamouroux. 
Frond subterete, setaceo-filiform, calcareous, articulated, dichotomous; 
articulations cylindrical or compressed. Conceptacles urn-shaped, formed 
in the forks of the upper branches, furnished with an apical pore, con- 
taining in the base of the cavity a tuft of erect, four parted spore-threads. 
Jania fastigiata Harvey. 
Attachment crustaceous. Frond 4 cm. to 8 cm. high, fastigiate, dicho- 
tomous, with very acute axils, densely tufted, to a mm. thick. Branches 
straight, erect, apices frequently a little distended, swollen, sphacelate; 
articulations cylindrical, nodes constricted. The cystoearps are formed 
abundantly in most of the upper axils of fertile specimens by the transmu- 
tation of the axile cell, and are exactly urn-shaped, with a projecting orifice. 
Spore-threads slightly club-shaped, composed of four spores. Colour when 
fresh deep purplish-red. Substance rigid and rather fragile. Does not 
adhere to paper. 
South Australia (Robe), Victoria (Port Fairy), South Africa. 
Jania micrarthrodia Lamouroux. 
Frond short, caespitose, axils patent, dichotomous; ramuli subarcuate, 
divaricate; articulations subcylindrical, moniliform. Conceptacles sub- 
globose-elliptic at the apices; protuberance elongated. 
South Australia (Encounter Bay, Investigator Strait), Victoria (Port 
Phillip ), West Australia, Tasmania, New Zealand. 
