194 
THE SEAWEEDS 
Gloioderma halymenioides (Harvey) De Toni. 
Frond dichotomous, the segments decompound, pin- 
nate, pinnules and pinnae slender, divaricate, sometimes 
inosculating, To 8 mm. wide. 
Western Australia and South Australia (Investigator 
Strait). 
Fig. 61 . — Gloioderma halymenioides : a, plant; b, part of a 
fertile frond; c, section through a pericarp and 
portion of the frond. (After Harvey.) 
Gloioderma tasmanica Zan. (= Horea speciosa Harvey.) 
Frond flat, distichously pinnate, apices of the lower pinnules 
often hooked. To 6 mm. wide. 
South Australia (Investigator Strait, Eastern Bays), 
Victoria, Tasmania. 
