87 
N. vamosum, Batt. Frequent. 
Fig.: Harvey II, 173 [as Nitophyllum laceratum}. 
District: Port Erin; Port St. Mary; Castletown; Pooylivaaish ; 
Douglas Bay (Talbot). 
Zone: L.W.O.N.T. downwards. 
Occurrence: Pseudo-perennial. 
Reproduction: Tetraspores in Summer; cystocarpia in Autumn. 
Notes: Can be found at all times of the year; most luxuriant growth 
in Spring and early Summer. 
N.vamosum, Batt. var. uncinatum, Grev. 
Fig. : Cotton (1912), Plate XVIII, 71. 
District : Fleshwick Bay. 
Notes: Dredged, single specimen only, in August, 1931. 
Gen. Phycodrys, Kiitz. 
P. yubens, Batt. Common. 
Fig.: Harvey IJ, 164 [as Delesseria sinuosa]. 
District: In all districts. 
Zone ai W-O NT. to IkeW.O.S.T. 
Occurrence: Perennial. 
Reproduction: Tetraspores in Spring; cystocarpia from Spring to 
Autumn. 
Notes : Commonly found epiphytic on the stipes of Laminaria ; also 
occurs in pools. 
Gen. Delesseria, Schm. 
D. sanguinea, Lamour. Common. 
Fig.: Harvey II, 163. 
District : In all districts. 
Zone: L.W.O.N.T. downwards. 
Occurrence: Perennial. 
Reproduction: In Autumn and Winter. 
Notes: Can be found at all times of the year but is best from April 
to June. Basal parts only remain during Winter. 
D. alata, Lamour. Very common. 
Fig.: Harvey II, 165. 
District : In all districts. 
Zone: L.W.O.N.T. downwards. 
Occurrence: Perennial. 
Reproduction: Tetraspores and cystocarpia in Winter and Spring ; 
spermatia only recorded for Spring. 
Notes : Very common component of pool and rock flora of lower littoral 
zone ; also occurs in deep water on the stipes of Laminaria. 
D. angustissima, Griff. 
Fig.: Harvey II, 166. 
District: Port Erin. 
Notes: Recorded by R. J. Harvey-Gibson. No data available. 
