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336 37.Hutchin. 2.THALASSIOPHYTiE.PZ. ce//.a/)A.
Thallus slender, bushy, rich red brown, when dry dull
black ; joints of 4 or 6 veins, long near the root but become
gradually shorter.
7. Hutchinsia hadia. Bay hutchins.
Threads branched, stiff, reddish black; branches long;
twigs short, distant, mostly simple ; joints rather longer
than broad.
Conferva badia, Dillw. Syn. 85, not of Agardli ?
Sea-shore.
8. Hutchinsia strict a. Stiff" hutchins.
Threads branched, stiff, equal, level-topped, tender,
scai'let ; branches forked, nearly upright ; joints about three
times as long as broad.
Conferva stric(a, Dillw. Conf. 40.
Huichinsia stricta, Jgardh Syn. 56.
Sea-coasts.
Thailus tufted ; outline wedgeshape ; glossy red when
dried ;
threads of nearly equal thickness throughout.
&. diffusa. Threads diffused; outline nearly orbicular,
dull dirty brown when dry.
9. Hutchinsia patens. Spreading hutchins.
Threads branched, slightly diffused, rose-red; branches
scattered, rather spreading; yoz«/5 about twice as long as
broad.
Conferva patens, DUlw. Syn, 83.
Sea-coast; on marine plants.
Thallus tufted, diffuse; branches lateral; twigs short,
numerous.
10. Hutchinsia fibrillosa.
Threads much branched, red ;
Fibrillous hutchins.
branches scattered, rather
truncated, ending in a close pencil and fibres; lower joints
longer than broad, the upper shorter.
Conferva fibrillosa, Dilla. Syn. 86.
Hutchinsia fibrillosa, jigardh Syn. 57.
Sea-shores.
Thallus tufted, spreading, irregularly branched; twigs
many ijibres simple, tubular, appearing as \f jo'mtedj joints
much longer than broad ; iheccB slightly pedicelled.