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Plcell.aph. 1. HYDROPHYTiE. 21. Chaetoph. 301
H. CoNFERVOiDE.^. Tfiallus cylindrical, threadlikej
tubular, jointed, simple or branched, uniform or biform ?
joints pellucid; sporcB granular, green, scattered in the
joints; fruit external, but the granules often grow in the
joints themselves.
XXI. 21. CH^TOPHORA. Schrank. Chatophore.
Mass threadlike, branched ; threads springing from the
axis, jointed, branched, growing slenderer, and ending in
a long transparent hair extended beyond the surface of the
mass granules in the joints, sometimes growing while still
;
in the mass.— Reddish.
Chcetophora rubra. Red chcstophore.
Mass cylindrical, threadlike,
jointed, red.
forked ; threads branched;,
Ulva rubra, Hudson Fl Jngl. 571 ; Engl Bot. 1627.
Rivularia miiltifida, Weber and Mohr, lieise, 3, 193.
Chaetophora rubra, Agardh Disp. ed. 1,42.
Chordaria muUifida, Lyngbye Hydr. Dan. 51.
Rocks on the sea-shore ; annual ; August and September.
Mass crowded, 3 to 6 inches
tip of the branches rather blunt.
long, from a callous base?
XXII. 22. LEATHESIA. Leathes.
Mass globular, leatherlike, gelatinous, brownish ; threads
branched, jointed, springing from a common basis; branches
clubshape, blunt; spores scattered in the swollen joints.
Marine.
Leathesia tuheriformis. Tuberous leathes^
Mass globular, rather leatherlike, hollow ; outer surface
smooth, brown; threads very close, forked, branched"
tranches level at the top ; tips clubshaped.
Tremella difformis, Lin. Sp. PI. 1626.
Rivularia tuheriformis, Engl. Bot. 1956.
Nostoc marinum, Agnrdh Disp. ed. 1,45.
Chaetophora marina, Lyngbye Hydr. Dan. 193.
On marine plants ; annual; summer.
XXIII. 23. MYRIODACTYLON. DesVaux.
Myriodactyle^
Mass elongated or globular, gelatinous, light green
threads branched, jointed, springing from a common basis ;
Iranches growing finer and ending in a long, hyaline fila*
znent ; knots pellucid.