164 Mr George W. Traill on the [sess. lii. 



7-4. Edocarpus siliculosfiis, Lyngb. 



Common on Algje between tide marks. Annual, May 

 to September. Fruit best in June and July. 



75. Ectocarj)ns sphccroplioriis, Carm. 



At 7, 9, 12, &c., epiphytic on Callithamnion arhuscula, 

 Ptilota e^e^aws,&c.,on exposed rocks between tide marks. 

 Annual, April to Sept. Fruit from May to August. 



76. Edocarpus tomcntosiis, Lyngb. 



Common on Fuci between tide marks. Annual, April 

 to September. Fruit in summer. 



77. ElacMsfca flaccida, Aresch. 



Parasitical on Algte at 7, at about half-tide level. 

 Annual, June to September. Fruit, July, August. 



78. Elachistea fncicola, Fr. 



Common on FuGi between tide marks. Annual, June 

 to September. Fruit, July, August. 



79. Elachistea scutulata, Duby. 



At 8, 12, &c., on Himanthalia lorea. Annual, summer 

 and autumn. 



80. Entero7norpha comprcssa, Grev. 



Common on rocks and stones between tide marks ; also 

 epiphytic on AlgaB. A^egetates at all seasons. 



81. E liter omor pica clathrata, Grev. 



Common at 7, in pools at about half-tide level. Annual, 

 April to September. 



82. Enter oiiiorpha intestinalis, liink. 



Common, chiefly where there is a mixture of fresh 

 water. Annual, April to September. 



83. Enteromorpha percuj-sa, Hook. 



In pools at 7, near high-wnter mark. Annual, spring 

 and sunnner. 



84. Fitcus canaliculatuH, Linn. 



Common on rocks between half-tide level and high- 

 water mark. I'erennlid. l''iiiit from June to Sept. 

 8."). Fttcus nodosus, Linn. 



Common on rocks and liouldcrs at alxjut half-tide level. 

 Perennial. Fruit from i)(;cend)er to Scjjtember. 

 86. Fanes platycarpus, Thuret. 



On rocks from near high-water mark to about half- 

 tide level, and occasionally at a lower level. Peren- 

 nial. Fruit all the year. Spores escape in August, 



