Ior 
Fam. NEMASTOMACEAE. 
Gen. Halarachnion, Schm. 
H. ligulaitum, Kitz. Rare. 
Fig.: Harvey III, 209 !as Halymenia ligulata}. 
District : Port Erin ; Port St. Mary; Douglas Bay (Talbot) ; Fleshwick 
Bay. 
Zone: Sub-littoral. 
Occurrence: Annual, Summer. 
‘Reproduction : Cystocarpia in September. 
Notes: Dredged. 
Gen. Furcellaria, Lamour. 
F. fastigiata, Lamour. Common. 
Bie. : Harvey II, 207. 
District : In all districts. 
Zone: M.T. zone downwards. 
Occurrence: Perennial. 
Reproduction: All types of fruiting organs in Spring and Summer. 
Fam. RHIZOPHYLLIDACEAE. 
Gen. Polyides, Ag. 
P. votundus, Grev. Not common. 
ies: -Elarvey Ill, 206. 
District : In all districts. 
Zone: M.T. zone in sandy pools. 
Occurrence: Perennial. 
Reproduction: No data. 
Fam. SQUAMARIACEAE. 
Gen. Petrocelis, J. Ag. 
P. cruenta, J. Ag. Not uncommon. 
Fig.: Harvey III, 215 [as Cruoria pellita]. 
District; Port Enn: Port St. Mary. 
Zone: L.W.O.N.T. to L.W.O.S.T. and below. 
Occurrence: Perennial. 
Reproduction: Spermatia recorded by R. J. Harvey-Gibson for 
Summer. 
Gen. Cruoriella, Crn. 
©. Dubyi, Schm. “Frequent. 
Fig.: Harvey III, 203 {as Peyssonnelia Dubyi]. 
District: Port Erin; Douglas Bay (Talbot). 
Zone: M.T. zone downwards. 
Occurrence: Perennial. 
Reproduction: No data. 
Notes: Occurs on rocks and stones at all seasons. 
