THE amateur’s SYNOPSIS. 
XXXlll 
jointed. 
Softj and thread-like. 
Joints marked by several upright lines (internal colour-tubes) 
Joints marked by one upright rose-coloured line (internal 
colour-tube) ; branching forked .... 
„ excessively slender ; branchlets short, pro- 
fuse, spreading 
„ * seeds (spores) in bead- 
like strings ........ 
,, the thickness of horse-hair; stems dis- 
tantly set with tufted branchlets .... 
Joints wholly coloured; or partly coloured, partly trans- 
parent ......... 
Solid ; opaque ; coated with a limy deposit ; stems branched 
and rebranched on each side ..... 
,, „ coated with a limy deposit ; branching 
forked throughout ....... 
INCRUSTATIONS or PATCHES on Rocks and 
Glossy, dark red, adhering closely ; when in fruit, pitted 
with small holes 
not pitted 
?? • • 
Minute ; globose ; drop-like ; dark red .... 
Lilac pink, fading to white ; like white or tinted patches of 
lime ......... 
„ „ minute, dot-like (microscopic) 
IRREGULAR LUMPS. 
Solid ; stony ; coral-like, branched or unbranched 
Genus. 
Fam. 
POLYSIPHONIA 
VII 
Griffithsia 
XIX 
CaLLITH AMNION 
XIX 
Seirospora 
XIX 
Corynospora 
XIX 
Ceramium 
XIX 
CORALLINA 
X 
Jania 
X 
AlgCB. 
Hildenbrantia 
XIV 
Cruoria 
XIV 
Petrocelis 
XIV 
Actinococcus 
XIV 
Melobesia 
X 
Hapalidium 
X 
Melobesia 
X 
e 
