62 
E. siliculosus, Kitz. Common. 
Fig.: Harvey I, 80. Knight (1929). 
District : In all districts. 
Zone: M.T. zone downwards. 
Occurrence: Pseudo-perennial. 
Reproduction: Plants in Spring and Autumn bear unilocularsporangia. 
Plurilocular sporangia general from March to August. 
Notes: Common on littoral zone in Spring and Summer in sheltered 
situations ; reduced in Winter to filamentous creeping or 
adherent plantlets reproducing by plurilocular sporangia. 
E. fasciculatus, Harv., var. typica. Frequent. 
Bie.: Harvey, 1, $3. Plate Sly 2325. 
District: Port Erin; Port St. Mary; Castletown; Pooyllvaaish. 
Zone: L.W.O.N.T. to L.W.O.S.T. 
Occurrence: Pseudo-perennial. 
Reproduction: Unilocular and plurilocular sporangia on same plant. 
March to August. 
Notes: Usually occurs as an epiphyte on Laminaria and Himanthalia 
fronds. Spring is the period of most luxuriant growth, 
but can be found in Winter as battered relics on the 
Laminaria fronds. In Summer the plants are covered with 
diatoms. 
E. fasciculatus, Harv. var. draparnaldioides, Crn. Rare. 
ihige<) Plate Sex Se. 
District : Port St. Mary. 
Zone: L.W.O.N.T. to L.W:0.S:7. 
Occurrence : Pseudo-perennial. 
Reproduction : Unilocular and plurilocular sporangia in Spring and 
Summer. 
Notes: Generally found mixed with E. fasciculatus, var. typica. 
E. fasciculatus, Harv. var. vefracta Ardissone. 
Fig.: Plate VIII, 5, 6. 
District: Port St. Mary. 
Zone: L.W-O.N.T. to L.W.O.S.T. 
Occurrence: Pseudo-perennial. 
Reproduction : Unilocular sporangia from Feb. to April, plurilocular 
sporangia from March to June. 
E. tomeniosus, Lyngb. Abundant. 
Fig.: Harvey I. 85. 
District : In all districts. 
Zone: Same as host. 
Occurrence : Pseudo-perennial. 
Reproduction: Unilocular sporangia in Spring and Autumn; 
plurilocular sporangia common all Summer. 
Notes : Common everywhere in the summer, especially as an epiphyte 
on Fucus vesiculosus and Fucus serratus. Minute creeping 
filaments bearing plurilocular sporangia present in the 
Winter; in Spring these give rise to the typical upright 
plants. 
