S 
Ss: 
60 
Gen. Streblonema, Derb. et Sol. 
fasciculatum, Thur. Not uncommon. 
iie.: Hauck) -p: 323- 
District: Port Erin; Port St. Mary; Castletown. 
Zone: Same as host. 
Occurrence: Sporadic. 
Reproduction: Plurilocular sporangia in July and August. 
Notes: Immersed amongst the cortical filaments of Castagnea 
vivesecns. Disappears in Winter because the Castagnea is 
absent ; may be present in Winter as an epiphyte elsewhere 
but has not yet been located. 
infestians, Batt. Rare. 
His. :) Plate 2X. 7S. 
District: Port Erin. 
Zone: Same as host, generally near low water mark. 
Occurrence: Sporadic. 
Reproduction: Plurilocular sporangia in April. 
Notes: Endozoic in Alcyonidium hirsutum, on Delesseria species. 
Zanardini, Batt. Rare. 
His:= Plate Xat, 28) 32: 
District: Port St. Mary; Castletown. 
Zone: Same as host. 
Occurrence: Sporadic. 
Reproduction: Plurilocular sporangia in April and May. 
Notes: Found immersed in the cortical layer of Chylocladia kaliformis. 
Gen. Ectocarpus, Lyngb. 
E. parasiticus, Sauv. Very rare. 
Fig.: Oltmanns III, p. 469. Plate XIII, 33, 37. 
District: Port Erin. 
Zone: Same as host. 
Occurrence: Sporadic. 
Reproduction: Plurilocular sporangia in March. 
Notes: Parasitic in the thallus of Cystoclonium purpureum. 
E. brevis, Sauv. Rare. 
his. 5) Plate Mis yo: 
District: Port Erin. 
Zone: Same as host. 
Occurrence : Sporadic. 
Reproduction: Plurilocular sporangia in Summer. 
Notes: Parasitic in the thallus of Ascophyllum nodosum. 
E. luteolus, Sauv. Not uncommon. 
Mis: Plate XT r9%20,.24. 
District: Port Erin. 
Zone: Same as host. 
Occurrence: Sporadic. 
Reproduction: Plurilocular sporangia in July. 
Notes: Parasitic in the thallus of Fucus vesciculosus. 
