Halymeniales Halymeniaceae

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Distribution

Okha: N 22° 28.48'; E 69° 04.56' Veraval: N 20° 54.87'; E 70° 20.83'

Cryptonemia undulata Sonder

Distribution

Okha: N 22° 28.48'; E 69° 04.56' Veraval: N 20° 54.87'; E 70° 20.83'

Cryptonemia undulata Sonder

Thallus form and type Substratum Occurrence Season Abundance Description

Leafy and frondose

Bed rocks

Sub littoral zone

February-April

Scanty

Plants dark red in colour, 12 - 15 cm high, foliose, firm, elastic with basal attachment discs; fronds, erect, caespitose, stipitate, stipe rigid, expanding into oblong linear blades up to three times divided; angles between lobes rather obtuse; blades with prominent midrib, 2 - 3 cm broad with undulate and lobate margins, blunt apices; proliferations common, variable in number, arising from the midrib, obovate, oblong and enervate (Figs. a, b).

Halymeniales, Halymeniaceae

Distribution

Dwarka: N 22° 14.61"; E 68° 57.28" Okha: N 22° 28.43,; E 69° 04.101 Porbandar: N 21° 37.92,; E 69° 36.48, Shivrajpur: N 22° 19.87,; E 68° 56.95, Sutrapada: N 20° 50.18,; E 70° 28.89, Veraval: N 20° 54.87,; E 70° 20.83,

Grateloupiafilicina (Lamouroux) C. Agardh

Thallus form and type

Substratum

Occurrence

Season

Abundance

Description

Bushy and mucilaginous

Intertidal rocks, static coarse sand beds

Upper mid littoral zone

November-April

Scanty

Plants brownish green or blackish red in colour, 8 - 12 cm long, erect, lubricous, sub-cylindrical or compressed; branches simple in the upper portion of the thal-lus, monopodial or variable in the basal part; marginal branchlets sub-distichous and somewhat narrow (Figs. a, b).

Grateloupia species are used as food. Jelly prepared from this alga is consumed as human food in Korea. G. filicina is popularly known as "Centipede algae"

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