52 
Gen. Cladophora, Kiitz. 
C. pellucida, Kitz. Frequent 
Big.: Harvey. IV; 20x. 
District : Frequent in all districts. 
Zone: MM... to LE. W-@.N-1. 
Occurrence: Pseudo-perennial. 
Reproduction: Spring onwards. 
Notes: Often find Schmitziella endophioea as parasite in the C. pellucida. 
Usually inhabits deep pools in lower half of littoral zone. 
Frequent in Summer, but reduced to basal parts of plant in 
Winter. 
C. Hutchinsiae, Harv. Frequent. 
Fig.: Harvey IV, 294. 
District: Port St. Mary; Castletown; Pooyllvaaish; Douglas Bay 
(Gatty). 
Lone: LaW-O:Ne 
Occurrence: Pseudo-perennial. 
Reproduction: July to September. 
Notes: One of the most distinguished and luxuriant of Cladophora spp. 
Reduced to basal parts in Winter. 
C. vupesivis, Kitz. Abundant. 
Pig. blarvey- IV" i207. 
District : Common everywhere. 
Zone; Mt zone to EW-O2N Ee 
Occurrence: Pseudo-perennial. | 
Reproduction: Common during Spring and Summer. Maximum in 
March. | 
Notes: In Spring and Summer forms an almost continuous carpet in ~ 
middle and lower littoral zone; can be found as relics on 
limpet shells or on rock surfaces amongst other algae in | 
Winter. Numerous sporelings recognisable in January. | 
C. rupesivis, Kitz, var. nuda, Holm and Batt. 
Fig.: Harvey IV, 296 [as C. nuda}. 
District ; Pert Bem; [Port St: Many. 
No other data available. Recorded by R. J. Harvey-Gibson. 
C. utriculosa, Kitz. Frequent. 
Fig.: Harvey IV, 298 [as C. letevirens]. 
District: In all districts. 
Zone: M.T. zone to L.W.O.N.T. 
Occurrence: Annual. 
Reproduction: Spring and Summer. 
Notes: Common component of pool flora in spring and summer in 
middle third of littoral zone on gently sloping shores, 
extending downwards to low water. Plants conspicuous, 
bright green, three to four inches long. 
